9 out of 10 based on 111 ratings. 1,202 user reviews.


Fuel Filter Housing Oring Leaks – . The Duramax fuel system does not have any sort of low pressure fuel pump pushing..Glow Plug System Issues – . Nearly half of the check engine lights that come in for the Duramax pickups are for glow..Head Gaskets – . As these truck reach the 100,000-150,000 miles we are seeing more and more head gasket issues. The..More
LB7 6.6 Duramax Common Issues, Problems, and Fixes
Was this helpful?People also askWhat are the problems with Duramax fuel pump?What are the problems with Duramax fuel pump?One of the most common problems with this design that 6 Duramax fuel pump repair experts point out is that, over time, a crack tends to develop in the fuel filter. Another common issue occurs when air is drawn in due to bad housing.Duramax 6 Turbo Diesel Repair Experts Point out CommonSee all results for this questionWhat are the problems with Duramax injectors?What are the problems with Duramax injectors?The new injectors available from us and others are updated and do not have the cracking issue. Fuel Filter Housing Oring Leaks – The Duramax fuel system does not have any sort of low pressure fuel pump pushing fuel to the engine from the tank. The injection pump sucks all the fuel from the tank.LB7 6.6 Duramax Common Issues, Problems, and FixesSee all results for this questionDoes Duramax Diesel have a lift pump?Does Duramax Diesel have a lift pump?The Duramax diesel is susceptible to fuel starvation and getting air in the fuel lines. This can be contributed to the fuel filter housing design and the fact that the Duramax does not use a lift pump.Commons 6 Duramax Problems & ConcernsSee all results for this questionIs there a fuel leak on a Duramax?Is there a fuel leak on a Duramax?External fuel leaks can develop as well, and will be evidenced by fuel puddles on the ground or on top of the filter assembly. If you have a high-mileage Duramax-powered truck and suspect that it’s losing its prime, or you have seen evidence of fuel leaks from the filter head, you’ll want to address the problem as soon as possible.DIY Duramax Fuel Fix—Rebuilding A Leaky Fuel Filter HeadSee all results for this questionFeedback
Duramax 6 Turbo Diesel Repair Experts Point out Common
The design of the filter housing is the cause, as Duramax does not utilize a pump. Instead, the engine operates by vacuuming the fuel from a tank with the help of an injection pump. One of the most common problems with this design that 6 Duramax fuel pump repair experts point out is that, over time, a crack tends to develop in the fuel filter. Another common issue occurs when air is drawn in due to
Commons 6 Duramax Problems & Concerns
The 2001 to 2004 LB7 fuel filter housings seem to be the most prone to problems. Water Pump Failure. Water pump failures for Duramax engine are somewhat common. It is not unlikely that a water pump will need to be replaced in the 80,000 - 100,000 mile range. This seems to be inherent of the factory water pump design.Duramax LMM · Duramax LB7 · Duramax LML · Duramax LLY · Duramax Lbz
Videos of Duramax fuel filter housing Problems
Watch video on YouTube7:33LB7 Duramax fuel filter housing replacement/nicktane ada9 viewsJan 15, 2018YouTubeMods with MattWatch video on YouTube17:27Duramax lly fuel filter housing replacement62 viewsMay 1, 2019YouTubeTraylon PorterWatch video on YouTube13:38duramax p1093 checklist part 1 fuel filter housing fuel lines27K viewsJun 9, 2015YouTubeVeikraWatch video on YouTube9:11Rebuilding a Duramax Fuel Filter Head2 viewsJul 29, 2019YouTubeMark DeColaWatch video on YouTube11:44duramax fuel filter housing rebuild2 viewsApr 13, 2017YouTubeVeikraSee more videos of Duramax fuel filter housing Problems
DIY Duramax Fuel Fix—Rebuilding A Leaky Fuel Filter Head
Apr 22, 2016A common problem with high-mileage 2001-2010 Duramax trucks is that the fuel filter head assembly begins to develop air leaks. The engine’s CP3 high-pressure fuel pump is capable of drawing fuel from the tank without the aid of an external lift pump as long as the system remains primed. With age as well as use of ULSD and bio-diesel fuels, the O-rings in the filter head assembly can
Replaced fuel filter housing. Now lots of problems | Chevy
Dec 24, 2016It's a 2003 Chevy 2500 HD with the 6.6 duramax. It broke down on me, the dealership said that it was sucking air through the fuel filter housing. They replaced the fuel filter, the whole housing, and the two fuel lines. I believe the filter housing they put on is lb7 Fuel Filter housing question | Chevy and GMC DuramaxNov 27, 2019Help! Fuel Filter Priming Problems! | Chevy and GMCJul 13, 2012fuel filter housing leak | Chevy and GMC Duramax Diesel ForumJan 12, 2011Fuel Problem, getting air in the system! | Chevy and GMCMar 26, 2009See more results
Fuel Filter Housing Leak? | Chevy and GMC Duramax Diesel Forum
Sep 11, 2011You have to remove the housing and inside are three torque drive screws holding the heater in place -- remove those screws and replace the o-ring. The Duramax Store has a rebuild kit, that has all the seals, and includes a new inlet/outlet hose.
First Problem with the LBZ, Fuel head replacement - YouTube
Click to view7:31May 19, 2017Replacing the fuel filter head on the 2007 classic LBZ Duramax. GM part number 12642623Author: Project DuramaxViews: 34K
LB7 6.6 Duramax Common Issues, Problems, and Fixes
Fuel Filter Housing Oring Leaks – . The Duramax fuel system does not have any sort of low pressure fuel pump pushing.. Glow Plug System Issues – . Nearly half of the check engine lights that come in for the Duramax pickups are for glow.. Head Gaskets – . As these truck reach the 100,000-150,000
Fuel filter problems Chevy Duramax - YouTube
Replaced the filter and the in tank sending unit, and the seals in the filter head failed, so I rebuilt it with all new seals. After priming the system, this..
Amazon: duramax fuel filter housing
OEM NEW 6 Duramax Diesel Fuel Filter Housing 05-12 Silverado Sierra 12642623. 4.6 out of 5 stars 59. $117 $ 117. 63. FREE Shipping. Only 5 left in stock - order soon. Other options New from $104. iFJF 12642623 Fuel Filter Head for Duramax Fuel Filter Housing 6.6 Replacement for GM Chevrolet GMC Duramax V8 6 Fuel Filter Housing 2004
OEM NEW 6 Duramax Diesel Fuel Filter Housing 05-12
This is the exact factory replacement in my 2005 Duramax. After a couple of starting issues, I found that my fuel filter housing had a small air leak allowing fuel to drain back into the tank when not running took about an hour to replace and solved the issue helps to have some small hose clamps to replace the factory duel hose clamps.Reviews: 56
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