Questions & Answers for: GMC engine

Question about 1992 Sonoma

Engine vibration 4.3 v6 92 sonoma

engine vibration 4.3 v6 92 sonoma i was told the engine had this problem from day one. the problem is the crank or the cam. Are you sure the vibration is from the engine? Maybe it's the u-joints or ...

Question about 2003 Envoy

1 Answer

Trouble locating cooling sensor on 2003 gmc envoy

Trouble locating cooling sensor on 2003 gmc envoy 4.2L EngineTo Remove: Disconnect the negative battery cable from the battery. Drain the coolant from the engine. Disconnect the engine coolant ...

Question about 2003 Sierra 1500

2 Answers

Oil presure gauge went to

...gauge went to zero and computer said low oil presure! I then heard a loud knocking coming from engine! I check level of engine oil and its full, what do you think it is? You didn't state the ...

Question about 1998 Jimmy

1 Answer

1999gmcjimmy diagram for vacuum hose

1999gmcjimmy diagram for vacuum hose Engine vacuum schematic-1994 4.3L (VIN Z) engines, California models with a M/T (Code TDK) Engine vacuum schematic-1994 4.3L (VIN Z) engines, California models ...

Question about 2011 Acadia

1 Answer

Coolant leak causes engine overheat

coolant leak causes engine overheat You should get your engine's cooling system diagnosed. A cooling system pressure test and engine block test may be in order to correctly assess the situation. The ...

Question about 2004 Sierra Denali

1 Answer

Reduced engine power

reduced engine power while driving,engine warning light and reduced engine power light come on together,parking on the side of the road and turn off key. when restaring engine the traction control ...

Question about 2002 Envoy XL SLT

1 Answer

I'm getting code PO300. Drove fine to work, going home it ran horrible.

...fine to work, going home it ran horrible. I'm not getting a specific cylinder code. P0300 GMC - Engine-Codes.com engine-codes.com/p0300_gmc.html OBD-II Trouble Codes Definition, Description and ...

Question about 2002 Envoy XL SLT

1 Answer

Firing order diagram and timing degrees 1989 gmc 1500 series 350 engine

firing order diagram and timing degrees 1989 gmc 1500 series 350 engine How to set ignition timing 88-95 GM fullsize truck Silverado ... ? 10:56 https://www.youtube.com/watch?v=y5NuS-G-cKI Dec 5, 2013

Question about 2002 Envoy XL SLT

1 Answer

Why did the Reduced engine power, engine light and traction control light all come on at once?

Why did the Reduced engine power, engine light and traction control light all come on at once? I was driving my 2011 GMC Terrain at highway speed in cold but not icy conditions and out of nowhere the ...

Question about 2002 Envoy XL SLT

1 Answer

2008 gmc sierra oil leak on manifold and over engine the valve was changed. Cannot find where the the leak maybe coming from.

2008 gmc sierra oil leak on manifold and over engine the valve was changed. Cannot find where the the leak maybe coming from. It can be difficult to determine the source of an oil leak, especially if ...