Questions tagged [gmc]
A division of General Motors which produces trucks, buses, vans, and other large vehicles.
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How do yo turn the v8 to v4 off?
On a GM v8 that goes to v4 econo mode, is there a way to make it stay in v8 mode?
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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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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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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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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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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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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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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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Engine Revs Up and Down when Idling Right After Startup; Stabilitrack and Engine Light Comes On; Engine Power Reduced
I have a GMC 2010 Yukon Denali XL, when I start the car, and have the engine running idle. The engine runs a little bit rough and every 20 seconds or so the engine starts to rev up and down from 400 ...
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When I turn the key to start it it acts like the battery is dead: It wont even click
I have a 2011 GMC Acadia Denali. When I turn the key it doesn't even click, but I still have headlights and interior lights, my gauges work, I can roll my windows down and move my seat (both are ...
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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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2002 gmc sierra 2wd rpms rise when applying brakes
Truck is 2wd 5.3 v8 non flex fuel
When driving anywhere from 60mph to 80mph rpms rise when I lightly tap or touch the brake pedal.
I also get intermittent abs and brake warning lights when hitting ...
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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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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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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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Can I put 255/40 R20 tyres against manufacturer recommended 225/60 R17 on GMC terrain 2015 SLE2 version
I have GMC terrain SLE2 trim 2015 model with R17 225/60 tyres as manufacturer recommendation. When I bought this car, it was installed with 275/40 R20 tyre. However, now its time for for tyre change, ...
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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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Is an exhaust pipe broken at engine connection fixable by a DIYer?
I took my 1999 GMC Sierra 1500 w/5.3l to a transmission shop to have it replaced. The process requires disconnecting the exhaust pipes going into the engine to get access to the transmission. When the ...
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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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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 ...
- 148k
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What is this under-seat part on a '99 GMC Sierra, and can it be repaired?
This part of the driver's side broke off so the left side of the seat collapses a few inches down on that side. It's part of the seat power height system so I'm guessing a 'seat-height adjuster'? It ...
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Transmission slipping after losing fluid from line rupture
2007 GMC Sierra 1500 four-wheel-drive.
I was driving to work the other morning and I blew the upper transmission line off the transmission lost all fluid and of course my vehicle slipped and slipped ...
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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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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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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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A/C is not blowing thru front vents
Recently had battery changed....I recalibrated the HVAC but that did not work. There is a possibility that I pushed an A/C button before the calibration was complete. Could this cause the front ...
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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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Where can I find a manual for my old school bus?
My father and I have a 1967 (we think--I have my suspicions that it's a 69-73, due to the fact that the 1967 model for GMC had a different hood) GMC 950 B-Series 12-window bus, long since converted ...
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Correct placement of an aftermarket transmission cooler
I previously installed an aftermarket transmission cooler in a 2006 GMC Envoy (4.2, 4L60E). I installed it "after" the factory oil-water heat exchanger built into the radiator (that is, the ...
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Power steering pump not sucking fluid
Just replaced the PS pump in a 05 Yukon Denali with a remanufactured one. During the bleeding process, lock to lock many times with engine off, the resevoir on the pump never seemed to suck down any ...
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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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Power steering leak in 82 GMC truck
I have a 1982 GMC K1500. This junction where the steering column connects to this other part is moist and occasionally drips a reddish fluid. What is this other part called and what is involved in ...
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What does this symbol on my dash mean? GMC W4500
The light can be switched on or off by operation of the stem on the right of the steering wheel, the same control that operates the windshield wipers.
I can't detect any difference whether it is on ...
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Driving in 3rd gear what will it do to the transmission
My daughter drove her pickup in 3rd gear on the highway. Will it damage the transmission?
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Transmission is slow to engage
I have a 1988 GMC Sierra 4x4 truck, and I recently bought a rebuilt NV3500 transmission from a 1995 chevy truck (I picked this year, because from 1993 onward, this particular transmission used a ...
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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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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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instrument symbols for a 2008 GMC w5500
Just bought this truck but have no manual for it. Just wondering if anyone knows where I can get one, or information for a website where I could go to get information on symbol meanings for the ...
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Tire pressure and new tires
I bought new tires in September. I have returned to the place I purchased them many times due to malfunctions. I feel like I am putting air in my tires all of the time. I know with temperature change ...
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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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Why does my van battery have three terminals, and how can I replace it?
The battery in our (converted) 1991 GMC G2500 Vandura has a battery with three terminals, which I believe is now dead (reads half a volt with multimeter). I'm guessing the second positive terminal is ...
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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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2012 Yukon Trailer Brake Controller not working
I have a 2012 GMC Yukon with a trailer brake controller that has worked fine for the past 5 years. Now all of a sudden, my trailer brakes won't operate. I tested the voltage between ground and the ...
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Tire popped and shredded inside, Should I attempt an at home repair or buy wheels and drive it to a mechanic?
So my bearings were messed up and as I was coming home one night the right tire popped on me and I freaked and kept driving home. Once I got home I had realized the tire fell off the rim and shredded ...
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No pressure in clutch after bleeding the system
I have a 1992 GMC C2500. When I got it there was no pressure at all in the clutch. I bleed it from the bleed valve for about 20 minutes to make sure there was no more air bubbles coming out. After all ...
- 148k
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Oil change done wrong
So I recently took my 2011 GMC Terrain to get an oil change. My truck takes synthetic oil so oil changes are pretty pricey! It’s only been about 2 1/2 weeks since I gotten this oil change and since ...
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Van won't start and no lights come on; battery good
I have a 1992 GMC Vandura 2500 5.7L.
A few weeks ago, I tried to start it. All lights and radio came on but it wouldn't start. I tried again a week after that to show my dad but it still wouldn't ...
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2015 GMC truck check engine light no longer on
Had my check engine light on. Put a code reader on it to see what it was. It went off on its own a few days later. Went to dealership and told them what the code reader said it was before it went ...
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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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