GMC Sierra 1500 Questions Maintenance & Repair

Need A Transmission 1990 GMC Sierra 1500 4x4

Where do I get one for a good price

I Have A Problem With My Truck, I Need Your Advice. Can You Help Me?

I have a 2003 gmc Sierra 4.8L Ext. Cab 4x4 high mileage. It runs great when you started up and drive it. Once you turn it off for a while. It starts up fine, but when you try and drive it, it skip...

I Have A 4l60e Transmission That Wont Shift Into 3rd Gear.

Ive checked the fluid and its completely full

Neither Brake Light Is Working

Both brake lights are out. Got all other lights. Need list of possibilities of problems & where to find & fix them

Why Do I Still Have A Speed Sensor Problem?

Odb2 said I have a speed sensor circuit malfunction put a new sensor in and changed pigtail it was butt connected when I got the truck now it is soldered with new pig tail, no apperent shorts or b...

Where Is The Fuse For The Fuel Pump

Stalls How To Fix This ?

There is a lot of questions but not much for answers 1997 Gmc , idles fine /like new / touch the gas and it stumbles and stalls? Repairs done inc a new fuel pump , up stream O2 sensor, switched ou...

1990 GMC Sierra Won’t Move When In Drive Or Reverse

Truck has been fine until the temps dropped from 60 degrees nightly to 37-39 degrees nightly which happened from one night to the next in one 24hr. timespan. Next thing I know, I wake up and it’s t...

How To Turn Off 2002 Sierra Security Light?

I have 2002 Sierra chassis, drive train, instrument cluster,and electrical system in 1955 Chevy truck sheet medal. Have delt with all codes and issues except security light and airbag light. Any hel...

GMC 1500 Sierra A/c And Heater Problem.

With the heater hoses connected to allow water flow the heater stays on . The a/c will not come on.. Disconnect heater hoses then connect them together A/C works.

I Got A Rear End For My 2008 Siererra

The rear end is from a 2007 but it dont have the wheel speed sensor on the it

Truck Wont Start, What Am I Missing?

1995 gmc 5.7 wont start. replaced relay started . On the way home I would hit a bump in the road or cross railroad tracks and it would die. Switched relays back and forth to finally get home. Today ...

2007 GMC Sierra Driver Door Wiring Harness Is Bad. Is There A Quick Repair?...

Is there an easy repair for driver door wiring harness?

Does The Ignition Need To Be In Accesory Mode To Change The Ignition Cylind...

Transmission Installilation

How to remove a stock 4.3 transmission and install a 700r4 without cutting the muffler pipe to install it?

Going From 4wd To 2wd By Removing Transfer Case

Anyone Know What It Can Be?

I have a 2011 GMC Sierra that’s constantly dies. Always have having to give it a jump after every time i drive it. It has a brand new alternator, starter, +- cables, and upgraded battery to a plat...

My 1995 GMC Sierra Seems To Have Lost Power To The Stereo

but when I turn the stereo on I will hear the speakers crackle but the head unit does not display anything and they will Also crackle when I press the mister switch any ideas as to what it could be

2005 GMC Sierra Both Front Brake Calipers Locking Up

What would cause both front brake calipers to lock up? Took it to shop and they replaced front pads and calipers. I picked it up and made it about 10 miles and it locked up again

Mass Air Flow Sensor

I drive a 2003 GMC Sierra 4.8l v8. When my mass air flow sensor is plugged in, my rpms jump up and down and I have virtually no power. When it’s unplugged, it runs fine, but no gas mileage and it ...