GMC Sierra 2500 Questions Any type
2003 Sierra 2500 Transmission Issues
I have a 2003 gmc sierra 2500 6.0 4l80e 4wd, tach and speedometer don’t work, the truck itself, when viewing live data, doesnt register how fast its going. All speed sensors ohm out to 1.39-1.42 oh...
Injectors Won’t Spray
I stuck the battery in backwards like a moron and now the injectors won’t spray I put a new computer in it and a relay and a pump and a filter and there is fuel pressure up to the throttle body bu...
92 Gmc
The pickup wont stay running it will start then lose spark after about 30 seconds to a minute I've replaced the whole fuel system and ignition system except the ecm what could cause this?
89 GM Sierra K2500 Shifting Into 4 High
The only time I can shift into 4 high is if the truck is at a complete stop. Is this normal?
Brake Lights
I’ve checked the fuse, bulbs, and wires under the steering wheel but the brake lights still won’t work. All of the other lights work on the truck
Shifting Hard
My 95 sierra k2500 4x4
What Is My 1989 GMC Sierra Worth, Not Currently Running, Faded Paint?
1989 GMC Sierra Truck, not currently running, faded paint, no radio
99 5.7 Vortec
I have a 99 gmc c2500 with a 5.7 vortec. I pulled the motor and dropped 4000$ into parts. Corvette crank cam pistons and heads. Got it running great till last week when I cold start and try and tak...
Chevy 350
Can I take a 350 out of a 1990 and swap it into a 1973 gmc?
Headlights Won't Work
The headlights in my GMC Sierrra 2500 stopped working for some reason. I just had the alternator replaced, and when I got in to drive it that night, the headlights wouldn't turn on. However, the da...
Fuel Issue
Have a 2000 gmc k2500 with the 5.7. Just changed the fuel pump and fuel filter. It ran great for roughly 2 hours then began to spit and sputter and backfire through the intake. Barely limped it hom...
Rebuild
I want to rebuild my 1999 GMC Sierra to be like new.
Rattling Coming From Front Of Truck
My truck is making a loud rattle while idling. It sounds like something is loose but, I've checked and can't find anything that needs tightening. If i rev to 3000 rpm it stops briefly but, starts b...
Won't Shift From 2nd To 3rd Gear
When driving & once it's in closed loop it won't shift from 2nd to 3rd gear. Already replaced tps,vss. Anyone know what I should check next?
Extra Fees
Will there be any additional fees such as tags and registration fees?
98 GMC 7.4 Rebuilt Recommended Oil Grade
I just had my 98 GMC 7.4 motor rebuilt. The grade on the oil cap is 5-30. The guy at the rebuild shop recommended 20-50. I live in the San Joaquin valley in California where it's a 100 plus all summ...
Vacuum
Looking vacuum at half throtel
Driver Door Ajar
I have a 2003 GMC truck, getting message , Driver door ajar and something is running down my batteries
My 2001 Sierra Pickup Truck Won't Start
truck won't start. Can sitting for months not running it cause this problem
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