Duramax Fuel Filter Head Bypass Tube

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.

Duramax fuel filter head bypass tube. You can add a hose barb to the 2 lines right at the filter head to splice them together or you can loop about a foot of hose from the 2 lines more toward the front of the motor or you can use a 1800 fuel fitting and 2 short pieces of hose to clean it up better. 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. No codes or nothing. No codes or nothing.

Not one time on instructions or advertisements does it mention that. How to replace rebuild the diesel fuel filter head on a duramax engine. These are made from 304 stainless steel and are barbed on the ends to. This is a all new product designed in house to delete your factory filter head from your 01 16 duramax.

This simply bypasses the filter head using the factory feed lines requiring no cutting and making putting it back to stock as easy as removing. 06 gmc 2500hd wehrli custom fab 475stock suncoast gmax 6 3 1056 converter dual fueler with wcfab billet wheel and controller efi by duramaxtuner wcfab traction bars tcase pump rub ma tcase brace ppe deep trans pan ppe diff cover ported and shimmed rail lml manifold mbrp exhaust fass 150 titanium ppe gauges amsoil fluid in trans and tcase cat fuel filter drp trans cooler. Lmm duramax fuel filter head delete duration. The duramax has long been susceptible to fuel starvation failures because the engine doesnt use a lift pump to feed the primary pressure pump.

Of messing with fuel system i do some research and come to find out this delete kit does dont press the plunger on filter head hence running out of fuel. Fass 66l duramax filter delete all years. You can add a hose barb to the 2 lines right at the filter head to splice them together or you can loop about a foot of hose from the 2 lines more toward the front of the motor or you can use a 1800 fuel fitting and 2 short pieces of hose to clean it up better. Duramax fuel filter relocation kit installation duration.

Kevin witt 14339 views. A common problem with high mileage 2001 2010 duramax trucks is that the fuel filter head assembly begins to develop air leaks.