GMC Sierra 3500 Questions Maintenance & Repair
Engine Misfire In A 98 - 454 Gmc
Have changed Cap , Rotor , coil , plugs , wires. Have a misfire that I can't get rid of HELP , THANKS 454 , Vortex
An A 2019 GMC DENALI 3500 4WD Be Flat Towed Behind A MOTORHOME?
Can a 2019 GMC 4WD DENALI 3500 be flat towed behind a MOTORHOME? Is there a transfer case for diengaging the transmission from the drive system?
Vent Issue 87 GMC
I have 87 GMC 3500 and I have pulled most of the dashboard off in order to see the vent doors. it appears that the doors are working. no air coming out the dashboard or defrost vents. there is high ...
Blown Fuse Link At Busbar
I found a blown fuse link that I assume goes to the starter, since nothing makes a sound when I try to start the truck. I need to know how to bypass the ignitionswich and put a push button to star...
Ive Got A Customer 04 GMC Sierra 3500 6.0L And Have Replaced Sensors The Sc...
04 GMC 3500 Sierra 6 litre engine running badly at idle it misses terribly. Under load driving, it has no power AND RUNS BAD MISSING. REVING IT UP WITH NO LOAD IT SOUNDS GOOD. tHE CODE READER SAID T...
Sensors
The sensors on the driver's side continue to on and off randomly. What's the problem? (2015 Chevy Silverado Pick Up)
04 Gmc Pickup Wont Shutoof With Key,,whats Up With This
truck engine keeps running with key off,,dash off,,,cant figure it out
88 Gmc Van
the RMFD1 (the brain) keep burning out. it's getting warm then fails. Just put a new one in and it happened again. Please help
Stalling Out
My gmc 3500 will start up in the morning just fine. As I start to drive after a few miles it loses all fuel and dies. Then I try to start it and it just cranks and cranks and finally will start bu...
1991 Gmc Sierra 3500 7.4l Engine Turns Over Won't Start
A re-occurring issue with this truck. I'm sure if I change the ICM again it will start right up. just looking for additional information. The ones I replace always test good at the local Autozone. May...
2000 Gmc Serria 3500
It died on me when trying to start it it backfires
Motor Swap
We have a 1994 GMC Sierra 3500 dulley the guy wants us to put a 350 motor in it without the wiring harness. .Can anyone tell me how I can get fire to this motor? We have the old one out and the 350...
What Is The Load Capacity Of A 1983 GMC 3500. GVW >5000<5600 Lbs?
What is the load capacity of this vehicle? 1983, GMC G3500, 350 cid, 4 bbl carb, 4 speed trans. floor shift, 4.10 : 1 rear gear, flat bed, LWB. What is its towing capacity? It's GVW is given as just...
1997 GMC C3500 With A 7.4 Hard Start When Warmed Up.
truck will start fine when cold but when allowed to warm up and shut off.... the only way to restart it is to hold the petal to the floor and usually it will fire up. when warm it will hesitate an...
Starts Great When Cold But Long Crank After It Sits For 15 Minutes
Starts great when cold or if you shut it off and start it up again within a few minutes but if it sets 15-20 min then it is hard to start. If I hold the throttle peddle down it will start quicker.If...
What Should My 1996 GMC K3500 454 Run At Temp Wise.
my truck used to run at 150 now all of a sudden it runs at 110 and it takes forever to heat up. when I open the hood its not even warm. it has antifreeze and has a fresh oil change.
I Have A 1996 Gmc K3500 454.
just put new plugs and wires on it the same way it came off. at ilde it runs fine up to 2,000 rpm after that it chugs. i tuned it up because one spark plug wire was broke. what could be wrong with i...
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