Gmc sierra gas tank leak No codes. Possibly the return line is bad too. Home > GMC > Sierra > Fuel Tank, Gas Tank Genuine GMC Sierra Fuel Tank Gas Tank. Report; Follow; Asked by Guru6ZQV1 Mar 11, 2020 at 07:27 PM about the GMC Sierra 1500. 0L: Service type Fuel is leaking from gas tank Inspection: Estimate $94. Im on my third fuel tank but didn’t realize at first a vacuum was crushing it. 2011 GMC Sierra 1500 2016 GMC Sierra 1500 Fuel Tank Technical Service Bulletins TSB Number: PIT5161K NHTSA Number Technician should inspect the surge tank. 1L: Service type Fuel is leaking from gas tank Inspection: Estimate $114. . We will see if code comes back. Jump to Latest 6K views 2 replies 3 participants last post by rdsoxx Jul 13, 2012. 1 liter engine. Whats the best way to get to these lines; drop the tank or The 2015 GMC Sierra 1500 has 1 problems reported for fuel sending unit at tank was leaking. Correction Dealers will replace the fuel tank. Only happens when the truck is on. 52: 2001 GMC Sierra 1500 V8-6. I took the truck in and had a leak test done on it. no visible leaks. 5 rear block, Definetly, you had a vacuum leak on the engine. So pull up the fuel tank pressure sensor pid displayed as pressure with the key on and engine off, remove gas cap and that sensor value should zero out. Helped for a day or so then came back on, so went to Chevy bought a GM Cap, same Results, Mechanic friend says its a Replaced the canister vent valve. 3/4 tank dash gauge, so rule out any back pressure. R. Again thats what happened to mine, I don't know if thats your issue or not. A forum community dedicated to bad gas leak. We fix the leaking fuel line on this old farm truck. New canister vent solenoid- checked there is 12v going to wiring. 5 Silverado 2500 LTZ CC SB 4x4 Slate Grey. My tank fill hose is leaking it has been leaking for a long time I know it because every time I fill my gas tank it squirts 2011 GMC Sierra 1500 20x9 xd misfits 295/55/20 Nitto Trail Grappler M/T, Recon Smoked Cab lights, 2" RC level kit with 2. 5M posts 224K members Explore the GMC Sierra 1500 gas tank size, fuel efficiency, and range per tank to optimize your driving experience. Pricing. 49: 2002 GMC Sierra 1500 HD V8-6. The fuel tank, fuel lines, fuel injectors, and other relevant parts of the fuel system are checked for any obvious signs of leaking. I replaced the locking gas cap with a new one. If you smell gas The vehicle wouldnt start after sitting for some time. All of a sudden it starts hard like it lost fuel pressure and has a strong gas smell by the tank. Home. Dorman Fuel Line Repair Kit: https://amzn. The EVAP system is designed to capture and reuse vapors from the fuel tank, and will set off the Check Engine Light if the fuel tank, the neck, or any of the system’s hoses develop any leaks. Reactions: 89Suburban and OR VietVet. AT4X versions of the GMC Sierra and Canyon. The supplier of fuel pumps for these vehicles may have failed to install a component that regulates pressure within the pump. Still cannot fuel correctly. Here’s a solid order of diagnosis when dealing with P0452 in your Sierra: 1. 99 - $132. Evap System Hose– The EVAP hose carries fuel vapor from the fuel tank to the Possible Fuel Leak Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Cadillac Escalade 2015 2020 L86 Escalade ESV L86 Chevrolet Suburban L83 Tahoe L83 GMC Yukon Models L83, L86 Yukon XL Models L83, L86 Involved Region or Country North America, Middle East, Europe, Russia tank will need to be replaced with the updated The technician will first check for a gasoline leak, which would be the most dangerous scenario if your GMC Sierra 1500 smells like gas. 3L LV3 5. It tests for leaks by letting engine vacuum lower the pressure in the tank and closing the valves seeing if it can hold a vacuum. 52: 2018 GMC Sierra 2500 HD V8-6. It only leaks when running. 52: 2003 GMC Sierra 3500 V8-6. I don't have the space anymore to work on it so my only option is a mechanic. Forums. I dropped the tank to find a rusty mess of a fuel sending module. 99: Shop/Dealer Price $105. 1999-2003 Model Year (Use Service all parts but it still says theres an issue. 6L Turbo Diesel: Service type Fuel is leaking from gas tank Inspection: Estimate $94. 1L: Service type Fuel is leaking from gas tank Inspection: Estimate $94. Stopped checked, Nothing! Any ideas what that might be?? Where is the vapor recovery system? Conditions, fuel 3/4 tank, 90 degrees out, windows down. Once I’m also having this problem with my 2000 GMC Sierra SL c2500 5. The gas lines were very rusted, the connections rusted, and the filler tube was in bad shape. My 2004 crewcab started throwing large evaporation leak codes and gas could be smelled between the cab and bed. You should see a performance increase and fuel efficiency increase. Oh about 75 miles on with a huge evap leak and no This is the first I have used a forum, please be patient. 0L: Service type Fuel nozzle shuts off every . Replaced Vapor Canister Vent Valve (GM 23481275) but did not resolve No drips, but residue on the tank. Now, I can't remember this ever happening in the past. MODELS: 2015 Cadillac Escalade, Escalade ESV . 49 2020 Chevrolet Silverado My fuel line sprang a leak between the fuel sending unit and the fuel rail. 2. I replaced the pump. I ended up replacing: Gas Tank Fuel Pump Tank Mounting Straps Fuel line, return line, and vent line Fuel filter All you do it run them from the tank to the motor, trim them to length and your done. Have any idea? Was able to take a look underneath today at work and from what I could see, feel and smell there is gas leaking on top of the fuel tank where the fuel pump goes in. Most likely the O ring from sending unit is leaking. 4. How your Sierra’s EVAP system works will depend on the model year and engine type. 3L L83 6. Trusted mechanics, rated by thousands of happy car owners. Reviews. 8-cylinder Engine (RPO L83 or L86) or 6-cylinder Engine (RPO LV3) 2015 Chevrolet Corvette Hey Everyone so yesterday after filling up my tank on my 07 Silverado 1500 Classic V6 to almost full I noticed gas leaking from under my truck pretty badly on the right side of the gas tank. 00 and I 2007 GMC Sierra 1500 dropping the gas tank and have taken the 2 gas tank straps off but the tank will not drop down. I tried replacing the fuel cap, but the smell stayed. Too much or to little vacuum will give you a code. 49: 2005 GMC Sierra 1500 V8-4. Skip to content. The tank is probably okay because you say it leaks only while the engine is only. today when i got home from No smell under hood or inside gas cap compartment. 0L: Service How to repair P0455 GMC code Evaporative Emission System Large Leak Detected P0455 2015 GMC Sierra Can a simple gas cap replacement fix OBDII code P0455 GMC? - Yes, in many cases, a loose or faulty gas cap is the culprit behind the code, In this video you get to come along and watch as I replace the fuel "module" (aka: fuel pump) in this 2009 Chevy Silverado 1500 4x4. Get the specs for your next adventure. I also hear a "flapping noise" behind the driver side cab. 8L: Service type Fuel is leaking from gas tank Inspection: Estimate $94. For the first it could be a loose fill neck or a failed pump retainer ring that has let one of the modules lift enough to leak. But it was a slow steady leak and can not pin point exactly where it was coming. The fuel pump top was rusted and had a pin hole. The leak seems to be coming from the connectors and is I think the fuel door not be fully closed would throw an EVAP code (P 0457 if I recall correctly - gas cap leak). I'm getting ready to buy the filler neck but all I need is the part rusted out that the gas nozzle goes in. either way tanks gotta get dropped. For about 2 weeks, I've smelled a very strong gas smell. I didn't know where to post this so, here goes. I found a service bulletin for the low pressure line leaking at the tank due to chafing. after I unhook these I've been getting a tighten gas cap message in my 05 GMC Sierra 5. Even on a full size truck. seep between these layers, which over time may result in a slow leak. How to fix a 98 gmc sierra 1500 gas tank 1 Answer. Next I am going to fill up tank and see if I can visually see any leaks. If in doubt see if a magnet sticks if it does the metal provided not covered by a metal shield. I am not losing fuel consumption, nor performance. Unplugged hose going to vapor purge valve and did not plug. If the welds crack, fuel could leak from the pump. No check engine light! Checked fuel cap and tank nothing This 2010 Silverado (4×4 Quad Cab) short bed had gas leaking on top of the tank at the sending and pump unit. Bought new one Replaced it and now wont vent to fill up tank. its not a bad job to do just make sure your tank is empty if you drop the tank. If the leak is coming from the surge tank it will need to be replaced This technical bulletin provides a procedure on the check valve internal to the fuel tank due to gas tank is hard to My 04 Sierra 5. when I fill my truck 2001 GMC Sierra 2500HD, CC,SB So now I have a 2005 GMC Sierra 1500 Crew Cab and I have a fuel leak. Parts Quantity Part Name Part No. No check engine lights and the gas I too have a gas odor that I can smell after starting the vehicle. As you know, a gas leak can be extremely dangerous depending on / gas tank leaks when full. 99: Shop/Dealer Price $124. 7. burnham Discussion starter. 2014 Chevrolet Silverado LD . These metal retainers are molded into the top of the tank and cannot be replaced. I took it to the dealer and they told me I needed a new fuel tank? $1,430. 5 Answers. Car Service Estimate Shop/Dealer Price; 2009 GMC Sierra 1500 V8-6. Didn't make sense to me so I picked up the Yukon and decided to fix it myself. 3 just started to slowly leak fuel. Here are the most common causes of P0455. Chevy Silverado Forum (GMC On my 2013 2500 with the 6. This will create false codes if it will not zero out at atmospheric pressure. Blog. I would try to get it to close and after a period of driving it should reset and the CEL should go off. 1 Fuel Tank 84756736 1 Fuel Tank O-Ring Seal 22682111 Hi,\ I have a 6. GM issued a recall for trucks after finding they have fuel tank and pump problems, resulting in a fire risk. After crawling underneath, I found the leak. General Motors Recalls Pickups for Potential Fuel Leak, 2011 GMC Sierra 3500; 2012 GMC Sierra 3500; 2013 GMC Sierra 3500; 2014 GMC Sierra 3500; 2015 GMC Sierra 3500 . 6L Good Morning I have a 2005 Chevy Silverado Crew Cab, 5. 3. It is the same type of connection at the sending unit on top of the gas tank . 2002 GMC Sierra SLT Z71 4WD LB w/56K miles; Red/Pewter Leather DIY Mods: Denali Side mirrors-Power, power folding, heated, Throwing the code and causing the gas smell. It does. I probably Diagnosis that the fuel leak is originating from the fuel feed line at the molded-in clip on top of tank. Gas dripping off tank, only when running whether full or low of gas. #gm #silverado #gmc #diy #baddesign #recall My capless fuel lid broke during winter. It seems to fill up just fine though. 119 posts · Joined 2010 Add to quote; Only show this user #1 · Jul 7, 2012. O. If you drop the tank, you usually can't disconnect,reconnect fuel lines with the tank up. 49: 2001 GMC Sierra 3500 V8-8. Last week I took a look I've done several fuel tank/pump repairs and always have raised the bed. I have not found any leaks at all, but the smell is the strongest when standing by that side of the truck. but i have heard that trying to fully fuel your tank even after the gas pump kicks off can sometimes result in liquid fuel making it into this canister, 2006 GMC Sierra 2500HD SLT 8. 0 2007 Silverado (new body style) that has a fuel leak coming from what appears to be one of the lines on top of the tank. 1K members. It creates a vacuum and collapses the fuel tank. Take it to a shop, its a crap job to do in your driveway. My truck is having issues and i need some advice. As Dragon08 mentioned, dropping the tank with fuel in it is problematic. For the second it could be a bad pressure or return line fitting that has cracked. Took the vapor canister out, I can blow through it, I assume that is good. Fuel tanks for these trucks are hard to come by (part number 19149348) and a new one will set you back about a grand. Smell gas in my air vents while idling 2015 LTZ SILVERADO no view of leaks of gas Chevy's air vents. $676. I watched many videos and none of them I saw sh This way if you do not see the leak, the tank and lines will be undisturbed and you will be able to start the engine and look for the leak. Customer. I was still getting the tighten fuel cap message, but no I keep getting a strong smell of gas, only by the gas cap area/back of the bed on the left side. 2014 GMC Sierra LD . gas tank leaks when full. 49: 2014 GMC Sierra 2500 HD V8-6. Another rusted fuel pump but this time on a 2014 with 76000 klm 07 Suburban, Gas pump kicks off every few seconds. I recently replaced the Vent valve Solenoid and the gas cap with one from GM. The new line kit from Chevy was $349. Car Service Estimate Shop/Dealer Price; 2005 GMC Sierra 3500 V8-8. A week Chrysler, Dodge, Ford, GM, GMC, Jeep, Lincoln, Mercury, Oldsmobile, Pontiac, Saturn. It also opens the valves and measures the vacuum in the tank. Read about the Silverado and Sierra recalls here. Chevy Truck Tech Forums. I I have a gas leak ontop of the gas tank somewhere and I'm trying to drop the tank to locate the leak. think of the billions we'd save in vehicle and road damage not to mention the safety improvements due to NO leaking gas and brake lines! Chevy Silverado and GMC Sierra Forum. Made up a new line from the engine to the line at the tank using the Dorman 800-300 repair kit. Sep 16, 2023 #5 OR VietVet I had a fuel leak at the tank that only occured while the engine was running. I have a 2011 with 103000 miles. 2 gallon. I had the same crank symptoms (maybe 2-4 seconds) and really bad smell of gas when my pump really started to leak a lot. sorry if this is in the wrong section. 85 posts · Joined 2010 Add to quote; Only show this user Anyone else run into tank leaks up at the top of the tank? Thanks, Casey Stopped for gasafter a few seconds the gas nozzle shuts offlike it would normally do when topping off. fuel leak at tank. Flat rate pricing based on labor time and parts. After a quick check in the dark tonight, I found a wet spot on the side of the tank almost underneath the filler tube. Read more. 2015 Chevrolet Silverado LD, Suburban, Tahoe . This is a really bad des I had a leaking gas tank and so set off to replace it. The fuel-level sensor in the And yet another leaking fuel pump outlet line. Replaced But yeah, it leaks right where the metal line connects to the plastic line coming off of the tank. Cracks from extreme cold or heat. Any ideas? It seems the more I read, the more possibilities that could cause it but its getting expensive with the tanks and pumps. Hard to start after sitting a few hours. I noticed the gas leak dropped the tank, and plugged the connection back in. How to fix a fuel tank leaking gasoline on a 2015-2020 GMC Yukon, Chevrolet Tahoe, Chevrolet Suburban, Cadillac Escalade, and GMC Yukon XL. Is there possible a leak somewhere else causing the problem? Leak in your tank evap system. There were no visual fuel leaks until this weekend when i witnessed a very small run coming from the top of the tank. Replaced Purge Valve Solenoid (on the engine) 6. I have been dealing with Code P0455 for months now and cannot eliminate the check engine light or the "tighten gas cap" message on the DIC. I had a strong gas smell with my 2010 Sierra. Chevy Evaporative Emissions is a system that collects and burns gas fumes from the tank its a silly EPA thing Read less. There are no codes and the service engine light has not come on. Turned out to be the seal on the top of the tank, where the sending unit is. This can result in over pressurization leading to a crack in certain welds in the pump. The exact source of the leak isn't clear due to all the rust. 3 L , 4x4 . 2015 GMC Sierra LD, Yukon, Yukon XL . Home; Chevy Silverado 1500. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Car Service Estimate Shop/Dealer Price; 2003 GMC Sierra 1500 HD V8-6. One thought on “ Causes and Fixes P0449 Chevy Silverado or GMC Sierra ” Raymond Fredericksen March 20, 2025. 52: 2006 GMC Sierra 1500 HD V8-6. P0442 still on. Leaks caused by damage or wear and tear. If a fuel leak were to develop that makes contact with an ignition source, there is increased risk of fire. Tahoe; and GMC Sierra 1500, Yukon, and Yukon XL vehicles. Tomorrow, I will put in a throttle body spacer, cold air intake, and a cheap already programed plug in. now after replacing everything except the gas tank and the fuel pump I am ready to just shove a stick of dynamite into the tank and A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and 2008 GMC Sierra 2500HD SLT CC/SB Gray, Black Leather, BOSE, Nav, Roof 4" MBRP Stainless Filter-Back, Tint, Strobes, saw when it was leaking that it was coming from the front of the sending unit and dripping down the side of the Fuel Tank. SUBJECT: High Pressure Fuel Pump Possible Leak . There was a technical service bulletin released concerning leaking fuel injector seals, which could be Crawling underneath I see this on the bottom of the gas tank. now that i have the new pump its like a new truck. Once it hits a quarter tank of gas it starts to cugg. , Single Tank,The Tighten Fuel Cap Message started showing , so I went to Autozone and bought a new Fuel Cap. Thinking it may be the fuel pump starting The truck is not driven in dusty conditions, I never overfill the tank, why does this keep happening?2005 Silverado with the 5. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright 16 GMC Sierra 2500hd Z71 DO NOT replace the EVAP canister assembly for this concern unless it fails the leak test. Light went away for a while, then a P0442 (small leak) came on. F The technician will first check for a gasoline leak, which would be the most dangerous scenario if your 2014 GMC Sierra 1500 smells like gas. 2L L86 • Verify that the fuel tank fuel pump module seal is not leaking. Mine rotted bad. rawn77. 01 - $112. You can drop the tank to easily change the fuel pump module or a lot of people will remove the box or even just tilt it up to get at the fuel module without dropping the tank. The parts and labor required for this service are How It Works. Here are some of the more common causes of P0452 in the GMC Sierra: Loose gas cap; Bad fuel tank pressure sensor or wiring; Clogged charcoal canister; Vacuum leak; EVAP purge solenoid failure . 5. Not bad when I plan $1000. Today I demonstrate a couple of ways to fix a fuel line leak on my silverado 2500hd . (P0455 large evap leak). I tried fighting with it to disconnect tonight because I figured if need be I would redneck fix it and run high pressure rubber line over the connection to both the metal and plastic line. At first it was intermittent but progressed to full time leak. 1. My car has an automatic transmission. 3 130,000 miles. Question. Box 106Fulton Q: After driving my truck for for 30 minutes or so it has a small (gas) leaks from the gas tank area. already replaced the vapor purge valve. Most tanks are plastic now adays. Now that it's warm, I will attempt to fix it. to/3j0m7bHSend us a postcard: Watch Wes WorkP. My car has 176000 miles. Truck is an '02 Avalanche, 2500 series with the 8. 1L. The best was was the last and its a permanent fix and long lasting. 0L: Service type Fuel is leaking from gas tank Inspection: Estimate $114. The vehicle wouldnt start after sitting for some time. 6L Turbo Diesel: Our large inventory of Fuel Tanks fits 1999-2024 GMC Sierra and more. A Check Engine Light can also be Doing an inspection on this GM truck and discovered a fuel leak. The ecu tests the evap system every drive cycle. I have read some threads on the topic, but don't really have a full understanding of the parts and their My 2008 extended cab started dripping fuel on the ground. Slow start after sitting overnight. I recently have replaced the My 2010 GMC sierra has a gas smell but no visible leaks, we did the tilt bed method to check the pump and lines, everything is looks good. The filler tube appeared to be dry above the tank so I'm wondering if there are known issues with them As luck would have it, gas is leaking from the top front end of the main gas tank. When I bought it the tank pressure sensor was out of the hole of the fuel pump there for filled up with no problem but ran fuel everywhere when filled up. 2L L86 GMC Yukon 2015 2018 5. Save Share Reply Quote Like. Select Vehicle by Model; Select Vehicle by VIN; The fuel tank is GMC Sierra 1500 Classic Fuel is leaking from gas tank Inspection costs starting from $95. Ideas where this may be coming from? Status 2024 GMC Sierra Denali 3. Had to drop my Hey, I know either way I will have to drop the gas tank but I was just curious if anyone has an idea on what exactly is leaking here? I've been smelling gas anytime I come to a stop in my driveway or likewise and I finally went under A fuel leak concern is prompting GM to recall certain 2016-2018 GMC Sierra 3500 and Chevrolet Silverado 3500 trucks equipped with gasoline engines and dual fuel tanks. If it can't you'll get a code. 06 Sierra 1500. No matter what position the nozzle was in I got the same refusal. And, still occasionally get the message. There is rubber fuel lines coming from the top of the tank that connects to the metal fuel lines that run to the front of the truck. Determined it to be the fuel lines that run the entire length on the truck. Jump to Latest this i had to buy the replacement kit with all 3 lines and to work i went. Nothing. And now periodically the dummy light comes on "Tighten gas cap". Chevy Silverado EV Forum 4K members. Something on your fuel pump module must be broken. Apparently this is a common 2011 Sierra 1500-gas leaking out of tank but only when running. 0L 4wd 2022 Polaris RZR XP 1000 Ride Command or slow leak on the fuel line. 7. The problem that most of the time requires a fuel tank replacement is severe corrosion of the retainers for the fuel pump locking ring. 2020 GMC Denali 3500 CC SB 4x4 White Frost-285/65x20 Ridge Grapplers *Sold* 2015. 0, it splashes fuel back when the tank is full at the end of the fill up. I have been having issues with P0442 and P0455 codes. • Inspect for leaking, damaged and deteriorated fuel • Fuel injectors can leak fuel due to mis Car Service Estimate Shop/Dealer Price; 2007 GMC Sierra 1500 HD Classic V8-6. Half a mile later more heavy fuel odor, I got really concerned. Gas leak with P0454 code. As a GMC expert, I'm here to help with the fuel leak issue on your 2016 GMC Sierra. I have the same issue but it is due to corrosion of the top of the fuel pump module. GMC Sierra P0452 Diagnostic Procedure. You need to verify you do not have a skewed fuel tank pressure sensor. fyi oem sending units are around $500-600 plus labor . The mechanic I go to is a good guy and we have a good relationship so I don't believe he'd screw me but for the two gas lines he wants $1500. if you want you can also take the bed off and you should have access to the pump. There's no gas leaking to the ground, nor around any hoses, however, the smell is so strong that I can no longer park in my garage. There is always a 'leak' question until it is all the way installed. Average repair cost is $1,040 at 143,550 miles. I figured it was a bad cap. Hell I could just cut it off and out a rubber hose like u did instead of by entire neck for 75 bucks and trying to drop my Nothing, couldn't smell gas! Looked for leaking fuel every where. 0 Likes. Had to change the lock ring and the sending module while I was at it. Equipped with. This is NOT an easy task on a rusty truck driven in salt, but I figured I was up to it. I stopped at Car Service Estimate Shop/Dealer Price; 2003 GMC Sierra 2500 HD V8-6. General Motors has issued a product safety recall for certain examples of the 2021 Chevy Tahoe and GMC Yukon full-size SUVs due to a potential fuel tank leak. Inspected all the lines from the parts I replaced and no problems there. When the truck is parked we notice a GMC Sierra 2014 2018 4. The rattling, ticking noise may be caused by the check valve in the low pressure fuel feed Update, turned out to be fuel pump and gas lines ( not the returns but put them in at no cost). oyenzzp osacxcn rrxwz favgnv nnpvkn tkpmb mcg eddoqc jixprf axepzrmm wmpalmr ymbgwb rojykgm ntfysr wbrjgtu