Questions tagged [gmc]
A division of General Motors which produces trucks, buses, vans, and other large vehicles.
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New LED 3rd brake light stops working
Swapped out LED taillights and third brake light on my '05 Sierra. Tail lights work fine but the third brake light will work when first plugged in but after a short while the cab lights don't work.
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2008 GMC Yukon 5.3L engine vibration at low speeds with cylinder deactivation
I have a 2008 gmc yukon 5.3L that has developed an engine vibration at low speeds with cylinder deactivation like when coming to a stop. Does not vibrate while normal low speed cruising but when ...
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No start on 2002 GMC Savanna 1500
When I try to start it it will not start I was told to push the gas and it doesn't do anything at all. I replaced the alternator and got a new battery. We have been having this problem for over a ...
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1987 GMC Sierra - Can't connect to OBD diagnostic connector
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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Car steering issues
I have a 2011 GMC Acadia SLE. I can move the steering wheel easily even though the car is off. I can even move the front tires with relative ease side to side. What could be the problem, if any? I ...
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No crank no start 03 gmc yukon
I have an 03 yukon(5.3L) it wasnt starting a while ago and it just needed a new ignition fuse. After a week of driving it, it didnt want to start again. It has a brand new battery on it and the ...
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95 gmc vandura 2500 part name?
I'm working on my 1995 gmc Vandura 2500, with 5.7L v8, TBI engine.
I am trying to figure out the name of a part that appears to be missing a tube/hose so I can find a diagram to figure out what it is ...
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How do you disable Hill Start Assist in Chevrolet Suburban?
I have a 2016 Chevrolet Suburban (Z71). How do I disable HSA? After $6,000 in transmission and brake repairs due to HSA, I would really like to turn it off.
Here is the problem:
I stop on a hill.
...
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2010 GMC Terrain misfires & leans codes
My 2010 GMC Terrain while maintaining a speed of around 60 - 70 mph starts to hesitate and if I don't release my foot from the pedal I will get flashing check egine. I've noticed it likes to happen ...
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2000 Sierra 1500 4.8L Engine not revving properly for several minutes after start
For the past couple weeks I've been consistently having a weird issue with my 2000 Sierra 1500 4.8L when I first start it up.
The engine will start and idle fine, but when I give it gas the engine ...
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708
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Airbag light blinking after ignition switch replacement
I am looking for some troubleshooting guidance on a 96 GMC Sierra C1500.
I had to replace the ignition switch and now the airbag light on the dash blinks 7 times and stays on constantly. I checked ...
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Speedometer doesn't work and transmission won't shift
I have a 95 GMC Sierra with a 4.3 V6 and automatic transmission. The speedometer doesn't work and will not shift on it's own. I have replaced trans fluid and filter(no shavings or anything abnormal ...
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1998 GMC Sierra: swap in V6 + 5spd manual into one with factory V8/auto
How much work and how many headaches would it be to pull a 4.3L V6 and 5spd manual trans from one 98 Sierra and swap it into a 2wd 1998 Sierra with a factory V8/auto? I've done my own repairs all my ...
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Electrical Issues 2001 GMC Sierra 5.3L
Vehicle is a 2001 GMC Sierra 1500 5.3L Automatic 2 wheel drive.
The 10A fuse in position IGN0 keeps blowing when turning the key before engine cranks. When the fuse is blown, oil pressure and ...
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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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Coolant bubbling on 82 K1500 6.2 diesel
Vehicle is a 1982 GMC K1500 6.2 diesel. It's got a 1987 6.2 diesel engine in it swapped by some previous owner (there were many). The truck has sat for a while since I didn't really have time to work ...
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08 GMC Canyon automatic 4l60e won't engage when shifted from park into drive, but will engage if shifted from park to 1st
I have a 08 GMC Canyon 4x4 automatic transmission 4l60e that when shifted from Park into Drive it won't Engage but if shifted from park to 1st it will engage. The transmission won't go when shifted ...
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What is causing my brake calipers to stick?
I sit at a job site with my 2009 GMC Sierra idling for heat, or aircon. After 20 minutes of idling, I go to drive off and the brake calipers are locked up. Already replaced pads, discs, short lines, ...
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5L vortec won’t start
Ok, so I hope this doesn’t seem like a stupid question. Take away all logical scenarios and just answer in theory. If a timing chain could jump exactly 180’ would the intake and exhaust valves reverse ...
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GMC VLOM replacement necesssary
I replaced the head on a 2012 gmc 5.3 vortec. Now getting codes of 3401,3425,3443 & 3449. Being told it is always necessary to replace VLOM when doing this kind of work. Is that true?
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What engine do I have, based on my casting number?
I have a 1965 GMC TRUCK 3 speed short bed stepside. The casting number is TI1I3CZM. How can I figure out what engine I have?
My truck is a step side short bed Chevy.
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EPS and GMC steering wheel vibrations
I recently went and got a recall done for my EPS on my 2015 GMC Sierra 1500. When i got it back from the deal I had vibrations in my steering wheel. This recall was a flash update on the software for ...
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Transmisson problems 2009 sierra 1500
I have a '09 GMC Sierra 5.3 rwd it has just under 80k miles. I was driving home and my truck felt like transmission wasnt accelerating pulled over and shut it off. Looking around trans fluid was all ...
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Accessory coming on randomly and killing battery. GMC Canyon 2007
My 2007 GMC Canyon has had this problem for a couple months. All of the accessories turn on by itself after I have left the truck off and locked. I thought it was the ignition, because when I took the ...
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No air-conditioning
If the AC was leaking and someone unhooked the AC unit, would that be causing the belt to squeak now?
If so, what would you suggest?
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Clutch pedal won't go to the floor to engage neutral safety switch
This is a 1993 K1500 Sierra 4x4.
I just replaced the clutch master and slave cylinders and bled the line.
The clutch has pressure but it won't go all the way down to engage the neutral safety switch....
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Rear brake problem
On my 1999 Savana GMC 2500:
While on jacks, my rear wheels did no stop when I applied the brake.
Chevy told me my ABS needed to be replaced.
I went to the Junk yard, got a $100 module and installed it....
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29
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Truck only miss fires when it gets up to temp
07 GMC Sierra 1500 5.3 engine - it radom misfires after it warms up. I have changed 1 coil pack, map sensor, plugs, and wires. It only does it after warming up to temperature. What might be the issue.
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Transmission swap on 2010 from 2017 6l90
Evening Everyone, Just recently had the transmission go out on my 2010 gmc savanna 2wd v8 i have a friend of mine who has a transmission that he pulled from a 2017 chevy express 2wd v8 my question ...
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03 yukon electrical
Its an 03 yukon with a brand new battery in it. In the past 3 months it has went in for a no crank no start issue twice . Both times it was just an ignition fuse. Something is causing this fuse to be ...
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Change single caliper to dual
I currently have single calipers on the rear axle. Am I able to replace these with dual calipers on each side of the rear axle or will there be issues?
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Truck will not reach operating temperature
My 2005 GMC SIERRA 1500 runs at about 180/190 degrees, and won't heat up beyond that. The thermostat and coolant temp sensor have been replaced, and I've been trying to burp the system with hit and ...
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2002 GMC Sierra Brakes spongy
I have a 2002 Gmc sierra SLT that I just picked up a few months ago. The issue is that the brakes are awful, and they appear to be an issue the previous owners were chasing down too, all calipers, ...
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Increase volts at OBD port
My fixd scanner only says low voltage. How can I increase the volts at OBD connection my check engine light is on trying to get code.
1999 GMC Sierra 2500 with a 5.3 litre Vortec engine
Scanner ...
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94 Suburban 4x4 4l60e no reverse/ overdrive
94 Suburban 1500. Has no reverse or any other gear with the TCC plugged in. Unplugged the TCC and I can manually shift through the 4 gears and do 90 plus mph. So it's an electronic issue. Any guess??? ...
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1997 gmc jimmy Car cranks but wont start
So we have a 1997 jimmy GMC that has been running very well for quite a while. One day suddenly the car would not start. We had a couple of friends look at it and they said it might be the fuel pump ...
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I have a 2000 GMC Sierra 5.3L that won't start/run as of today
My truck has died on me 3 times today. When I put it in park and turn it off the doors don't unlock themselves. Then when I tried to start it up again nothing! No sounds, no lights. Then when I do get ...
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2011 GMC Sierra 1500 low beams not working
The low beams on my 2011 GMC Sierra 1500 are not working. My high beams work in both switch positions. What is the simplest and cheapest way to fix this problem?
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