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Questions tagged [gmc]

A division of General Motors which produces trucks, buses, vans, and other large vehicles.

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2answers
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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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1answer
129 views

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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1answer
517 views

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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1answer
28 views

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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1answer
48 views

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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1answer
386 views

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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0answers
121 views

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.
3
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0answers
18 views

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 ...
3
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0answers
65 views

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 ...
2
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0answers
43 views

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 ...
2
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0answers
459 views

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 ...
2
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0answers
100 views

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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0answers
47 views

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 ...
2
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0answers
91 views

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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0answers
10 views

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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0answers
47 views

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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0answers
99 views

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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0answers
33 views

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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0answers
596 views

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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0answers
28 views

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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0answers
27 views

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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0answers
21 views

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 ...