Duramax Fuel Filter Housing Problems

What brand filter some have a plastic housing and do not seat well buy a new primer housing or rebuild the one you have 2004 5 2013 lly lbz lmm duramax fuel filter housing assembly w primer 12642623 ebay. Its 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. The duramax diesel is susceptible to fuel starvation and getting air in the fuel lines.
duramax fuel filter housing problems

China Fuel Filter Housing Assembly 12633244 For Gm Duramax China

03 Duramax Fuel Filter Housing Diagram Wiring Diagram

China Fuel Filter Housing Assembly 12633244 For Gm Duramax China

Ok got the truck back after 3 weeks of having problems here is what they done to it replace feed lines from filter replace housing to fuel pump replace fuel hoses and clamps remove and replace fuel tank sender and oick module replace module 12609441 replace fuel pump pressure regulator selenoid 97384667 sen kit 19148811 module 19148812.

Duramax fuel filter housing problems. This truck has been having issues loosing prime since the fuel filter was changed. Be sure to disconnect the negative battery cable to avoid any electrical issues. They fixed it and the issues came. They replaced the fuel filter the whole housing and the two fuel lines.

It broke down on me the dealership said that it was sucking air through the fuel filter housing. This can be contributed to the fuel filter housing design and the fact that the duramax does not use a lift pump. One of the most common problems with this design that 66l duramax fuel pump repair experts point out is that over time a crack tends to develop in the fuel filter. The truck was towed back to the shop after it wouldnt restart the other day.

Its a 2003 chevy 2500 hd with the 66 duramax. Rather the high pressure fuel pump injection pump is responsible for vacuuming fuel from the tank. Fuel starvation andor air in the fuel lines. Gm part number 12642623.

Instead the engine operates by vacuuming the fuel from a tank with the help of an injection pump. The engines 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. The design of the filter housing is the cause as duramax does not utilize a pump. This fuel filter fits all gm duramax diesel models from 20045 2010.

A common problem with high mileage 2001 2010 duramax trucks is that the fuel filter head assembly begins to develop air leaks. The duramax has long been susceptible to fuel starvation failures because the engine doesnt use a lift pump to feed the primary pressure pump. I believe the filter housing they put on is about half the size as the original. Replacing the fuel filter head on the 2007 classic lbz duramax.

Replacing your fuel filter can be a messy job that someone with experience should attempt.