Duramax Exhaust Leak Noise

The most common entry point is the junction of the header pipes and mufflers. Trailer weighs about 13,000 loaded and it is within my towing specs. 7L powered Blue Ovals yet retain the engine's abundance of low-end torque, the Power Stroke gurus at Elite Diesel Engineering chose to produce a bolt-on kit around the Duramax-intended GT3794VA. Advanced Flow Engineering, Inc. I get about 16 mpg in town and about 19-20 hwy at 80 mph. "The manifold gasket can be an issue," said Maschner. Which i thought was the collector gasket. Today’s aftermarket upgrades like cat-back exhaust systems, headers, and performance mufflers are great ways to add power, torque and fuel efficiency, while lowering emissions and changing the vehicle’s sound – if you choose. Gm Duramax 5 Inch Exhaust Kits, Duramax Down Pipe Back 5" Magnaflow Systems, Magnaflow 18982 Duramax 5 Inch → MF Duramax Exhaust 5 Inch Kit LB7 to properly. Bar's Leaks—the fastest, safest way to get your show back on the road. AFE ATLAS 4" Aluminzed Exhaust 11-13 Duramax LML 49-04003 (Downpipe-Back) bottom and top of the tube allowing leak paths. While the '07. If at idle, use the scan tool to cut out one cylinder at a time and see if the smoke disappears. An up-pipe leak whistles (screams) like crazy, especially under load, as the pressure gets pretty high in there. Get the performance and sound you’re looking for out of your Duramax L5P. Heard a lot of air leaking yesterday and checked it out this morning thinking it was a leaking boot. Internally, the LMM Duramax ('07. i found this out when deleting my egr while trying to get the bolts loose i moved the bellows to much and cracked them. The sound may be especially pronounced during a cold start or during acceleration. A good solution is get an aftermarket manifold, like we did on Project Diesel Chase with BD Diesel Performance. Its always a good idea to keep an eye on your oil level. The PPE 116111800 High-Flow Exhaust Manifolds with Up-Pipes for your 07. EGR outlet connection / gasket from the up pipe. But , the real reason why he won't do it is that that would require the removal of the Cat's. Overall really like all the features and realize diesels are noisy, however there is an extremely high pitched whine it makes when you let off the accelerator at cruising speeds. The cost of repairs can range drastically, depending on the cause of the problem. Update: no the engine is perfectly fine with the exception that the timing belt is nearing the end of it's life. 5" turbo back aluminized exhaust with a catalytic converter and muffler. 7L powered Blue Ovals yet retain the engine's abundance of low-end torque, the Power Stroke gurus at Elite Diesel Engineering chose to produce a bolt-on kit around the Duramax-intended GT3794VA. Air leak sound at high RPM Ok so here is what i have, I have what sounds like a air/vaccum leak sound from the engine area when I am around 2800 RPM and about 75% into the throttle. And in the end, various exhaust treatment systems have eliminated unpleasant smells and black smoke from the tailpipe. 6L Duramax is constructed from 4" mandrel-bent aluminized steel tubing and uses high quality band clamps and OE-style bayonet hangers comes with a bolt-on bracket. There was a revision to one of the fuel lines at the high pressure fuel pump for a noise issue. I just love the sound of a small block Chevy so the first thing I did was put in a stainless steel system in. Performance Exhaust System aFe offers multiple diesel exhaust systems options for the Dodge Cummins, Ford Powerstroke, and GM Duramax. Learn More. 2015 GMC Sierra 2500 HD 6. How to Fix Blue Smoke When a car is producing blue smoke it means oil is getting into the combustion chamber for one reason or another and being burnt along with the normal gasoline. Before the exhaust gas reenters the intake at this temperature, it has to be cooled. Boost Leak: Symptoms, Diagnosis and Repair Boost leaks are a very common problem in turbo cars, especially ones with 10+ year old rubber pipes. you can fix your exhaust manifold leak with the help of kap exhaust manifold bolt repair kits. I've read a little through the old posts but couldn't find an exact answer to a question I have. Best Answer: I think the stethoscope is misleading you. Secure Support Mounts Your local AutoZone store pops up in a search for exhaust system hangers near me. For such a small gap, it's making a pretty loud exhaust leak noise. Coolant leaks: When to fix it or just live with it. The exhaust may need disconnected or a test pipe temporarily installed to diagnose smoking issues. Well I also have experienced this issue. 6L DSL Turbo White Exhaust Smoke/Leaks PS Pump Noise, Leaks. This exhaust is built from 4" mandrel-bent 409 stainless steel tubing and includes a muffler-delete pipe for optimum flow and a race-inspired, aggressive sound. It is present from around 1000rpms to 2700 rpms. It just got new glow plugs by the dealership and I was told that the hydrobooster and the power steering hose is leaking. I assume they checked extensively for exhaust leaks and other things while they were searching for the issue(10 days), but anyways. This exhaust system features 4" aluminized steel that is mandrel bent for maximum flow and includes dual 304 stainless steel tips that polished to a brilliant shine. Leaking Valve Seals. Cool air cannot hold as much water as hot air. It's common, particularly on 2001-to-2007 LB7 models, for the filter housing before the filter to develop cracks and leaks in the O-ring, allowing air to enter the system. I noticed a oil leak around the exhaust manifold. I'll walk through the symptoms and details about a leaking injector I found, thinking I had an exhaust leak. The AC on the driver side still works fairly well, albeit with this sound. I wondered is that normal or is my turbo leaking? I hear it on the driver's side mostly, and only when I am pushing the truck with a load. After hualing the horses a through a few states and covering about 1k miles, the noise got out of control. Make Thoroughbred Diesel your source for diesel truck performance products!. I own an '02 Duramax/Allison Crew cab 3500LT 4WD Dually. duramax diesel in the oil. Secure Support Mounts Your local AutoZone store pops up in a search for exhaust system hangers near me. Related Articles. This past February 4th, and we learned all about GM's plans for the 2011 model year GM 2500HD/3500 series pickups. This article will arm the average Duramax owner with enough knowledge to begin to understand the normal operation of the fuel system. Exhaust leaks also leave a trail of black soot. 2019 Chevy Silverado 1500 : 3. I get about 16 mpg in town and about 19-20 hwy at 80 mph. I recently had dual exhaust installed on it (they sound sweet by the way). In addition to the physical properties, the exhaust system designer must know certain other exhaust gas parameters. Get FREE shipping and low prices at Sinister Diesel online today!. Greater Heat Retention 20% Greater Flow Over Stock Richer Diesel Sound Will not Affect Emissions (DPF system or the Urea injection system) Gains of +21 HP and +24 lb/ft. EGR Disable vs. Or the manifold itself could be cracked. Product Testing and Procedures. 6L Duramax requires advanced emissions equipment, including the use of diesel exhaust fluid injection, to reduce nitrogen oxide emission levels by 63 percent over LMM powered trucks. 7-liter Cummins' exhaust manifold can shrink from excessive heat. 6 LB7 diesel pickup or are looking to buy one, here are some common issues and problems we have run into in our shop. The gaskets failed and I could see black deposits and feel air around some of the exhaust manifold tubes when the engine was running. A GM Duramax diesel emissions lawsuit has been filed for owners and lessees of 2011-2016 Chevrolet Silverado Duramax and GMC Sierra Duramax diesel trucks that allegedly emit too much nitrogen oxides. It's happened about 5 times now where it will develop a loud squealilng/whining noise from the engine area, and it'll lose a ton of power. The three nuts will probably be very corroded. Specializing in remanufacturing turbos, BD offers units for Dodge, Ford, Chevy, Caterpillar, Detroit, Cummins, Komatsu, Toyota, automotive, light duty pick-up. 2002 2500hd 6. My truck recently started leaking fuel where the turbo down pipe meets the up pipe for the exhaust. First, hot exhaust gases are now being vented under the hood, rather than being sent downstream through the exhaust pipe. The AFE 49-04045 ATLAS Downpipe Back Dual Exhaust System for your 2002-2004 GM 6. The engine idles fine, a nice healthy fire. The Duramax 2. Enhance the Performance. It gets faster when i get on the gas and its been tested for a bad injector and they couldnt find anything wrong. Our Vent Calculator is the perfect tool to determine the number of intake and exhaust roof vents needed. If enough coolant mixes with the oil, the oil becomes very thick and viscous, and your engine can break down, or be damaged beyond repair, costing >$1,500 in repairs. While this system is reasonably adequate for stock to mildly powered trucks a larger diameter syste or higher flowing system from Diamond Eye, FLO~PRO, Magnaflow, MBRP, or Silverline is mandatory on ANY Duramax equipped with even mild upgrades, or for. This allows the LML to exceed currently mandated federal emissions requirements and potentially meet future requirements as well. 6L Duramax turbo-diesel V8. got it partially tore down this evening and i could reach the manifold gasket and seems to be able to move it up and down like the manifold is extremely loose. the CLEANING EXHAUST FILTER KEEP DRIVING UNTIL MESSAGE IS CLEARED message is no longer displayed. A quality, high-flowing 4-inch exhaust system like this stainless-steel kit from Magnaflow is a great first modification to any diesel truck. I was just wondering if there has been a recall on the exhaust manifold leaking, or cracked. When it fails, it will begin to leak. While not much has been added or changed to the pickup styling or option list, the big news is the new RPO (Regular Production Option) code LBZ Duramax 6600 diesel engine and an upgraded Allison automatic transmission to include a double overdrive sixth gear. As I listened closer, the sound appears to be coming from the intake manifold / injectors, or just below that area. 5 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET EXPRESS 2015 CHEVROLET SILVERADO 2500 2015 GMC SAVANA 2015 GMC SIERRA 2500 2015 GMC SIERRA DENALI 2015 Parts Plug, Engine Block Oil Galley (19mm) 3 12651561 Subject: Rear Of Engine Oil Leak Models. The purpose of the muffler is to reduce the audible sound of the exhaust gases leaving the engine. Doesn't sound like a head gasket to me, especially if the the radiator exhaust gas dye test was negative. Overall really like all the features and realize diesels are noisy, however there is an extremely high pitched whine it makes when you let off the accelerator at cruising speeds. The '04 LLY has new heads, the injectors have been located OUTSIDE the valve covers so if one leaks, diesel fuel runs down the outside of the engine instead of inside where it could mix with the oil. EGR problems. Aggressive Sound:. Constructed of 3" stainless steel, HSP's downpipes are built in high quality fixtures to ensure excellent fitment. Borla Cat Back systems increase the overall sound level & performance. One of the first symptoms of a problem with an exhaust manifold gasket is an excessively noisy engine. That's why your Duramax LML diesel needs the SATURN 4S down-pipe back exhaust system by aFe Power. Just wondering how that noise happens haha. The new to me Duramax has a ticking noise going on as soon as you step on the gas. Introduced in January of 2004, the RPO code LLY Duramax 6600 incorporates a number of significant technology changes. Our team focuses on a curated array of items available for sale today on the the internet. ,and harmonic balancer as one of the mounting bolts is behind the balancer. Since exhaust gas is inert, it displaces oxygen and fuel, thereby lowering cylinder temps, which, in turn, lowers oxides of nitrogen emissions. The Duramax block and heads are poured at The Defiance GM Powertrain foundry in Defiance County, Ohio. Another source of noises are vacuum leaks, esp. chambered, glass pack, turbo, etc. BTW my new truck sounds nice now!!. Chevy/GMC Duramax 01-04 LB7 - Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines. If the muffler bracket has broken, or the rubber hanger is worn, the muffler and exhaust pipe may hang down, placing additional strain on the hot manifold, and. WeatherMaster™ Metal Roof Sealant Sticks to anything including Kynar™ and other coated metals. For such a small gap, it's making a pretty loud exhaust leak noise. com FREE DELIVERY possible on eligible purchases. if a vacuum hose or plastic barb breaks, stuff like that. I was sure this was an exhaust leak before the tubro, and searched forever to find it. Search this Forum. Command the valve to 20%. If you don't follow proper maintenance procedure, the blue smoke from exhaust problem is most likely to occur. Exhaust gas and noise are expelled from the engine at a high velocity, down through the exhaust manifold and into exhaust pipes, where they pass through the catalytic converter and muffler before exiting from the tail pipe. Although much of the LLY's internals match what you'll find in the LB7, this version of the 6. The down pipe is an easy install that requires basic handtools. I just saw your website and I really hope you can help. Lastly, I should also mention that the sound seemed to get louder after adding the catback, which seems counter intuitive because one would think the louder exhaust would drown out some of the exhaust leak noise (if that's what it is) - I do not think the catback could have caused/increased the noise/leak because it doesn't go up that far - the. Sinister Diesel is your number one source for high-performance parts and maintenance supplies for your Chevy or GMC Duramax diesel truck. Diesel exhaust systems for Cummins, Powerstroke and Duramax diesels. Over the years these trucks have been really good performers, but they do have some common problems that we see over and over again. The DTech DT660017 Noise Isolator Grommet Set is a direct replacement for your 2004. This is my personal 2002 Chevy Silverado 2500 HD Duramax 4×4. DETROIT — The all-new 2020 Chevrolet Silverado's available 3. If the computer detects a problem with the. 2002 2500hd 6. Use scan tool to isolate one cylinder at a time. 5-‘10) is virtually a mirror image of the LBZ (’06-‘07) that preceded it. I can place the truck in park and rev to about 15-1700 rpm and the ticking will increase in volume with those revs. Engineered to outperform factory and aftermarket performance exhaust systems, our mufflers give your ride a clean and aggressive sound, improving your engine's horsepower without a harsh drone sound. So I have the wicked wheel 2. The last Banks Duramax product we’ll describe for you today is the Banks Power Dual Monster Exhaust System built for a 2006-2007 6. I had a 2012 Z71 with the same engine and the stock exhaust didn't sound near as wimpy as the 2015. Blue smoke out of the exhaust of 6. Before it was installed, i wanted them look at an exhaust leak i could hear near the engine compartment. I hear a loud hissing sound from behind the engine. Cleaning occurs most effectively above 48 km/h(30 mph). the exhaust bellows that allow for vibration on the exhaust pipe that feeds into the egr cooler are very thin metal and break very easily. From the headers down to the exhaust tips you can fully customize your diesel truck's exhaust with aftermarket parts from the top brands including: MBRP, aFe, BD Diesel, Flo-Pro and many more. Ive got an exhaust leak but cant find it. Learn More. View and Download GMC Duramax Diesel 2018 owner's manual supplement online. Identifying Weird Car Noises. Aggressive Sound: A straight 4" exhaust used for a deep, aggressive sound. I finally found the annoying little leak! Chasing pool leaks, Don't call a leak detection company until you watch this - Duration: 9:54. Wear safety glasses when underneath the engine as all the rust, corrosion, and dirt breaks free from the exhaust pieces. I own a 2011 GMC Sierra 3500 6. MagnaFlow manufactures the best exhaust systems, mufflers, pipes and catalytic converters; now being sold directly from our website! We proudly manufacture products in the USA using premium components and the latest technology. 3 long blocks are blueprinted. 6 diesel is a great engine, if you keep it long enough you will probably be replacing the head gaskets at some point. you can fix your exhaust manifold leak with the help of kap exhaust manifold bolt repair kits. I am getting diesel exhaust fumes in the cab when I come to stop. 9 6 speed manual with the he 351. It's a 2007 NNBS with the 4. You need to look into this before you spend the money on a turbo. 7-liter Cummins' exhaust manifold can shrink from excessive heat. Black smoke being produced from the exhaust system of is a sign of too much fuel being processed by the engine. Though we're expecting a price increase of $3,000-$5,000, due to the addition of the "Diesel Exhaust Fluid" (urea) system, GM is back with a range of improvements and upgrades that promise to make GM the HD diesel truck leader. Do not trust any electronic boost gauge that uses the factory MAP sensor or OBD2 plug. Automotive Recalls and Technical Service Bulletins for 2011 Chevy Truck Silverado 2500 4WD V8-6. Welcome to Merchant Automotive: The Duramax and Allison Specialists. AFE ATLAS 4" Aluminzed Exhaust 11-13 Duramax LML 49-04003 (Downpipe-Back) bottom and top of the tube allowing leak paths. DPFE Sensor and EGR Information. will give update tomorrow but just wondering if anyone else seen loose or broken manifold bolts? or manifold issues?. Stop in the shop, call us o. If you see different colored exhaust fumes it’s time to pay attention to your car. So I have an 06 duramax and have this ticking sound that just keeps gettin worse. Over time, the 6. Well, I can tell you this, ANY exhaust leak will not suck in air, the exhaust will come out, but it will not suck up fresh air. I can place the truck in park and rev to about 15-1700 rpm and the ticking will increase in volume with those revs. Currently we are in Las Vegas. Get the ultimate performance exhaust systems, custom fit to your car, truck or motorcycle with same-day shipping on ALL in stock orders! MagnaFlow manufactures the best exhaust systems, mufflers, pipes and catalytic converters in the USA using premium components and the latest technology. So I just bought a 2004 gmc sierra 2500hd duramax and it has a strong idle smell, the truck runs good and doesn't blow out black smoke that I can see. I get about 16 mpg in town and about 19-20 hwy at 80 mph. The quick and easy way to tell you have a head gasket issue once you notice coolant being. The amount of gas leaked into the intake manifold is only about 6 to 10% of the total, but it's enough to dilute the air/fuel mixture just enough to have a "cooling effect" on combustion temperatures. Related Articles. Oil residue in the Charge Air Cooler ducts is a normal condition. 6 duramax diesel valve guides which may also cause a rattling noise. My car use to accelerate quietly until today when all of a sudden it makes loud noise when I accelerate or hit the gas as if I have a large exhaust (but I don't). However, motor oils are designed to help swell seals slightly to prevent leakage. It just got new glow plugs by the dealership and I was told that the hydrobooster and the power steering hose is leaking. The appearance of blue smoke is commonly seen during morning time when you start the engine for the first time on a day. ATS has products for GM Duramax, Dodge Cummins, and Ford Powerstroke diesel trucks. While the ’07. 6l Turbo Diesel Repair Experts Point out Common Problems. It has 165,000 miles on the clock, and I have owned is for nearly eight years. rattle, vibration, leak or what?? 08 Duramax w/DPF deleted So I just put my stock catback on and I was underneath checking for exhaust. 2019 Chevy Silverado 1500 : 3. don't be fooled by cheap pricing! bd diesel 1300030 apps noise isolator (94. The removal of extensive oil deposits can expose marginal or damaged oil seals that may then leak. 6L Duramax LML will get you that signature Duramax sound you've been after. So, i have a 2003 GMC Sierra 2500HD with a 6. As I listened closer, the sound appears to be coming from the intake manifold / injectors, or just below that area. To get a better look at things take out your fender liner and get your head in there with a good light. Enhance the Performance. Before the exhaust gas reenters the intake at this temperature, it has to be cooled. Don't forget the turbo to manifold joint and the turbo to exhaust joint. Each truck and car exhaust system is mandrel bent for an even flow and exit. You should pay close attention to your exhaust if it is emitting both smoke and water, or if it is emitting burning oil odor. 5 Gallon Container - For Late 2010 - 2012 Chevy & GMC Trucks With Duramax Diesel. Shop our huge selection of turbo back exhausts, exhaust tips, exhaust manifolds and and other diesel exhaust parts and components from the best brands in the business. Dear Austin, I saw your answer to someone below after searching for a good block sealer: “If they DO suspect a blown head gasket or cracked block you might want to try a can of K&W Engine Block Seal additive you can buy at your local auto supply. It's a 2007 NNBS with the 4. 6L Duramax turbo-diesel engine is L5P. This race exhaust system is constructed from precision, mandrel bent 4 aluminized steel tubing for maximum flow, increased horsepower, increased torque and lower EGTs. I have a 1969 Chevy Impala. Wades shows you why if you are having an increase in turbo sound, decrease in truck performance, have a soot trail, or an increase in EGTs it may be due to an exhaust leak. Whether you prefer stainless or aluminized steel, 4" or 5" diameter, we have exactly what you are looking for and carry top brands like Flo-Pro and MBRP. All 6600 Duramax™ diesel engines have this condition; however, some are more audible than others. My car use to accelerate quietly until today when all of a sudden it makes loud noise when I accelerate or hit the gas as if I have a large exhaust (but I don't). I had a 2012 Z71 with the same engine and the stock exhaust didn't sound near as wimpy as the 2015. Upgrading your stock exhaust system to our 4" or 5" diameter diesel exhaust system will help lower Exhaust Gas Temperature (EGTs), while increasing horsepower and torque. Exhaust gas and noise are expelled from the engine at a high velocity, down through the exhaust manifold and into exhaust pipes, where they pass through the catalytic converter and muffler before exiting from the tail pipe. troubleshooting chevy duramax will not start. Thanks for asking us a question on our article “Why Is My Car Making a Whining Noise?”! I’m sorry you are having trouble with your power steering system, but hopefully it will be an easy fix. It has the LB7 engine. The Duramax block and heads are poured at The Defiance GM Powertrain foundry in Defiance County, Ohio. serious buyers only thanks, Text. But under load at lower speeds and throttle positions, kind of sounds like when a big panel truck goes by under load and you hear that huge air rushing noise above the sound of the engine. I have a 2014 Duramax. When cold I get the squeal noise if the eng brk is on. 6L Duramax engine. Other possible causes of blue exhaust smoke include: piston wear, worn valve seals, a dirty or non-functioning PCV valve, worn piston rings, an intake manifold gasket leak, worn engine oil seals and possibly even head gasket failure. Oil residue in the Charge Air Cooler ducts is a normal condition. Whether you want to replace your Duramax's full exhaust system or just make improvements one section at a time, Sinister Diesel has what you need. com FREE DELIVERY possible on eligible purchases. All Wheel Bases. Exhaust Leak Conditions Several exhaust leak conditions, including a rattle or exhaust noise, or catalytic converter failure on Bank 1 may occur on some 2018-2019 Enclave and Traverse models equipped with the 3. Shut down and get cold---the noise returns for awhile. It replaces the LML version of the 6. Two forces control diesel engine evolution for all engine manufacturers - Emissions compliance and market share. I have a 07 1/2 Dully with 400,000 miles. ATS Diesel - ATS Diesel Pulse Flow Exhaust Manifolds for GM Duramax 2001-2004 6. The Duramax block and heads are poured at The Defiance GM Powertrain foundry in Defiance County, Ohio. Just a short update on my 2005 lly Duramax. Currently we are in Las Vegas. Duramax Diesel 2018 Engine pdf manual download. The down pipe is an easy install that requires basic handtools. Tried putting in a new manifold gasket but leaks even worse now. You should check the seal between the turbo and exhaust manifold, as I've heard of this leaking before, but in those cases it was making such a noise that it sounded like a mechanical problem. 2002 2500hd 6. duramax replacement injectors. Something to also be aware of it that the egr cooler can also put exhaust gasses into the coolant system if they have a leak. Though we're expecting a price increase of $3,000-$5,000, due to the addition of the "Diesel Exhaust Fluid" (urea) system, GM is back with a range of improvements and upgrades that promise to make GM the HD diesel truck leader. Pressure up the coolant passages and see if it leaks. 6L Duramax offer far less restriction than stock manifolds and up-pipes. although usually they just “seep” a little oil onto the engine which causes a burning smell and maybe a little smoke under the hood. 6L Duramax is engineered to perform in the most extreme environments. This creates a blue colored smoke which is passed down the exhaust system and then exits the car along with normal gases. EGR valve and EGR cooler – The new EGR system Decreases exhaust emissions (oxides of nitrogen / NOx) by reducing charge temperature and reducing excess levels of O2 in the combustion chamber. The 2006 model-year Chevy & GMC diesel pickups began arriving on dealer lots in August 2005. (Blocking and/or removing the EGR is also a federal violation most companies can’t afford to get caught doing. It sounds like you have air in your power steering system. I just had something very similar happen to my LBZ yesterday, except mine sounded like an exhaust leak. The engine idles fine, a nice healthy fire. 6L Duramax Diesel LB7/LLY/LBZ, part number 49-04001. Automotive Recalls and Technical Service Bulletins for 2011 Chevy Truck Silverado 2500 4WD V8-6. I've babied it through, and when the noise stops the power returns. Turns out a bolt backed its way out of the pedestal and it was an exhaust leak, maybe just something to look into/ think about. I just love the sound of a small block Chevy so the first thing I did was put in a stainless steel system in. This noise is not metallic sharp,or crunching noise,and only happening when the car is parking or in low rolling speed. A good solution is get an aftermarket manifold, like we did on Project Diesel Chase with BD Diesel Performance. Since the initial announcement of the L5P Duramax we have experienced many customer reviews as well as comparisons. Introduced in January of 2004, the RPO code LLY Duramax 6600 incorporates a number of significant technology changes. It has 165,000 miles on the clock, and I have owned is for nearly eight years. Best Duramax Diesel Exhaust I have installed hundreds of aftermarket exhaust kits over the years, and there are some great manufacturers out there. it only takes about an hour to install plus it is way cheaper than having the entire thing redone in a shop. don't be fooled by cheap pricing! bd diesel 1300030 apps noise isolator (94. One of the best ways to reduce heat under the hood is with exhaust heat wrap. One of the first things we suggest when starting to tear down a Duramax pickup for a head gasket job is to remove and test the egr cooler. Only the broken section needs replacing, but it will need to be inspected to see what needs replaced, and what parts can still be used. 7 Powerstroke to discuss items that you should look out for and expect to deal with over time. Buy aFe Power 49-04059NM ATLAS 4" Aluminized Steel Down-Pipe Back Exhaust System: Exhaust Systems & Parts - Amazon. Flowmaster exhaust systems come complete with muffler, hangers. I just had something very similar happen to my LBZ yesterday, except mine sounded like an exhaust leak. In the forum you will find an informative tech area, a place for Member's journals, Vendors with special Members pricing, and more!. The engine makes such a pleasant sound as the diesel purge is working its way through the pump and the injectors and "softening out" all those harsh sounds. I've read a little through the old posts but couldn't find an exact answer to a question I have. The noise is new and not of the usual diesel clatter. txt) or view presentation slides online. This eliminates any potential for wet motors due to a damaged or leaking seal. Sounds like either a nasty exhaust leak or more likely compression leaking past a glow plug. It began "ticking" at low RPM's and really whistled as boost built. Duramax History, Lesson 1: LB7. Installing Magnaflow's Turbo-back exhaust on the duramax. Hunt Fish Drive on Facebook: https://www. We get the first official look under the hood of a 2019 Chevy Silverado 1500 with a 3. I finally found the annoying little leak! Chasing pool leaks, Don't call a leak detection company until you watch this - Duration: 9:54. 8 reviews of Arizona Exhaust Systems "I have used Arizona Exhaust for the last ten years, his prices are always fair and he is an extremely honest businessman. That's why your Duramax LML diesel needs the SATURN 4S down-pipe back exhaust system by aFe Power. The noise was bad but we never could smell the fumes. In terms of performance potential, the LLY Duramax offers more of the same, but it also brings with it a few advancements that separate it from the LB7. Customers may also comment about hearing a tick noise inside the vehicle at idle such as when sitting at a drive through window. Even if your vehicle isn’t flashing any warning lights, the smoke coming from your exhaust is a signal that. If your Duramax emits excessive white smoke while idling it most likely needs new injectors. It's also good for finding exhaust leaks—an exhaust leak upstream of the O2 sensor can pull in extra oxygen and mimic a vacuum leak, even if it's not large enough to make any noise. Lots Of White Smoke Out of Exhaust Pipe. There was a revision to one of the fuel lines at the high pressure fuel pump for a noise issue. So I just bought a 2004 gmc sierra 2500hd duramax and it has a strong idle smell, the truck runs good and doesn't blow out black smoke that I can see. will give update tomorrow but just wondering if anyone else seen loose or broken manifold bolts? or manifold issues?. Get fast, Free Standard Shipping on orders over $99 from Summit Racing--no shipping, handling, or rural fees! Exclusions apply. Several exhaust leak conditions, including a rattle or exhaust noise, or catalytic converter failure on Bank 1 may occur on some 2018-2019 Enclave and Traverse models equipped with the 3. 6 duramax diesel is blowing smoke and has loss of power. It has over 200K but runs strong and only used around town and highway, no towing or heavy duty driving. This exhaust is built from 4" mandrel-bent 409 stainless steel tubing and includes a muffler-delete pipe for optimum flow and a race-inspired, aggressive sound. On the outskirts of a small town along the Utah/Colorado border, I prepare to pass slower traffic in a 2017 GMC Sierra 2500 Denali with the new 6. However, the most common way to notice this is when the engine loses fuel efficiency. lubrication specialist duramax fuel filter change. The colors of the tailpipe smoke are good signs to detect the type of oil coming out of exhaust problem. 2006 crew cab diesel 4 inch lift New 33” mud tires 17” rims Afe cold air intake Edge tuner Full 4” exhaust with 6” tip mrbp Tonneau cover Sunroof New bumper 2015 step Allison 6 speed trans Duramax LBZ engine Transmission updated 1 year ago ( due to leak) Leather Performance brakes Rebuilt title ( rebuilt by performance sales in Peterborough) was theft recover Second owner after rebuilt. The 2001-2006 Chevrolet Silverado 2500 HD pickup is GM's answer to the big success of Ford's Super Duty F-250 pickup introduced in 1998. If it stumbles and than stalls then it is air in the fuel lines. Pure Diesel Power offers one of the most complete product listings in the diesel engine parts industry, ensuring that, no matter what you need for your diesel truck, you can find it on our site. 6L Diesel LML DPF DELETE NEW More information Find this Pin and more on Limited Time Deals on Performance Parts by The Performance Dudes. Pressure up the coolant passages and see if it leaks. I have a 2015 crew cab duramax. This article will arm the average Duramax owner with enough knowledge to begin to understand the normal operation of the fuel system. This is a discussion on Cant stop exhaust leak within the General Help forums, part of the LSx Technical Help Section category; I cant stop my exhaust from leaking where the headers meet the y-pipe. Another symptom of a bad or failing EGR cooler is a Check Engine Light. Duramax LB7 injectors are also known to develop external leaks. I just had something very similar happen to my LBZ yesterday, except mine sounded like an exhaust leak. Choose A6SPBC260 DF-100 / A6SAB410 DF-165 / A6SABC114 DF-200 In Options. Leak location also matters even for some slow leaks. Sinister Diesel is your number one source for high-performance parts and maintenance supplies for your Chevy or GMC Duramax diesel truck. Air leak sound at high RPM Ok so here is what i have, I have what sounds like a air/vaccum leak sound from the engine area when I am around 2800 RPM and about 75% into the throttle. Chevrolet has introduced the second-generation Duramax diesel - the MY14 will continue in 2. Update: no the engine is perfectly fine with the exception that the timing belt is nearing the end of it's life. I have a 07 1/2 Dully with 400,000 miles. This allows the LML to exceed currently mandated federal emissions requirements and potentially meet future requirements as well. And in the end, various exhaust treatment systems have eliminated unpleasant smells and black smoke from the tailpipe. With a reputation for innovation, quality, and service, our products push the limits of diesel performance technology. For such a small gap, it's making a pretty loud exhaust leak noise. An exhaust leak may be heard as an audible hissing or tapping sound coming from the front of the vehicle. 6L Duramax engine. I can hear the turbo spool, but I hear a loud noise sounds like it is right under the driver's door and it sounds like air escaping from somewhere (exhaust?) or something?. I have an 07 LBZ classic with egr delete.