A division of General Motors which produces trucks.

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54 views

Torque convertor shudder?

I drive a 2011 GMC Sierra 2500HD ex-cab 2wheel drive with a 6.0 gas engine and a six speed 6L90 automatic transmission. I have started noticing what I believe is called "shudder" from my tranny under ...
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58 views

semi loud growling noise at all speeds

I have a 1998 GMC Sonoma SLS with a 4.3 l V6 Vortec. It used to purr, now it growls, sounds like a small diesel engine. Vibration can be felt (mostly in the dead pedal) and also vibrates/growls in ...
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29 views

1987 GMC Sierra

I own a 1987 GMC Sierra and it has an ECU, I took it to a workshop to see if I've any issues, when they tried to connect a diagnostic reader to the connector (underneath the steering wheel) they ...
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52 views

2004 GMC Yukon Denali, intermittent no crank/no start/no noise

OK, it started doing this a few months back with no rhyme or reason. Before this happened, sometimes would start beeping after engine start. A long 18 beep procession. Don't know if related. When ...
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26 views

Possible engine knock in 1995 GMC Jimmy

Hello I have a 1995 GMC Jimmy (Automatic & 4x4)and I have been working on it on and off for about a year and a half, i have fixed many things with it but there are couple things that I have not ...
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26 views

Electronic Power Steering Conversion Kit for Box Trucks?

Are there any electric power steering conversion kits that will work for larger vehicles such as box trucks? Do larger vehicles need larger electric motors to help steer?