Question about 2006 GMC Sierra 1500 2WD
The fuel filter on this vehicle is located inside the fuel tank and is a part of the fuel pump module. As such, it can only be serviced by replacing the pump module assembly. In theory, these are a lifetime filter and I've only seen a couple of them plug so far and those were due to dirty fuel that came out of a private service tank. The only real test to see if the filter is restricted is to have someone road test the vehicle with a fuel pressure test gauge hooked up to the fuel rail so the actual pressure can be observed while the vehicle is under load. Hope this helps out!
Posted on Jul 13, 2010
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Posted on Jan 02, 2017
SOURCE: Fuel filter location Sierra
I have been told by a mechanic that the fuel filter is inside the fuel tank. Have to either drop the tank or remove the pickup bed. Access is on the top of the tank. This is poor engineering.
Posted on Mar 13, 2009
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