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Questions tagged [sierra]

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4 votes
0 answers
166 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.
scott's user avatar
  • 41
3 votes
0 answers
105 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 ...
user15878's user avatar
2 votes
0 answers
87 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 ...
Matt's user avatar
  • 21
2 votes
2 answers
775 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 ...
Brian Jarvis's user avatar
2 votes
0 answers
634 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 ...
Chris's user avatar
  • 21
2 votes
0 answers
152 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 ...
Franky's user avatar
  • 51
2 votes
0 answers
76 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 ...
user22498's user avatar
1 vote
1 answer
23 views

GMC transmission compatability

I have a2012 GMC SIRRA 5.3, 6-SPEED TRANSMISSION. Will a 2005 Yukon 5.3, 6-speed transmission interchange or fit?
James Abrigo's user avatar
1 vote
0 answers
24 views

What wiring issues am I looking at for engine swap?

Thinking of putting 2003 Chevrolet Trailblazer 4.2 L engine in 1981 GMC Sierra. Complete 2003 Trailblazer donor vehicle. 1981 GMC has a small block 305 and 3.42 rear-end. What wiring issues will I ...
Godzillasrevenge's user avatar
1 vote
0 answers
39 views

New alternator and 2 new batteries but still get bad battery light

Have a dual battery setup in my 2000 gmc Sierra with an auxiliary battery for my sub isolated through a relay to the other for charging had some issues with the lights dimming so I replaced the ...
Lildeath's user avatar
1 vote
0 answers
39 views

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, ...
RayGMC's user avatar
  • 11
1 vote
0 answers
29 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 ...
James's user avatar
  • 11
1 vote
0 answers
79 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 ...
Matthew M's user avatar
1 vote
0 answers
823 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....
Missy Duncan's user avatar
1 vote
0 answers
30 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.
Tim Hanson's user avatar
0 votes
0 answers
31 views

Adding coolant into reservoir it comes out overflow on radiator

I changed water pump 02 gmc sierra 1500 and of course I had to drain the coolant system to do that . As I am adding coolant back into the system through the reservoir it is coming out radiator ...
jeremy dorman's user avatar
0 votes
0 answers
185 views

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, ...
Rapsicurio's user avatar
0 votes
2 answers
2k views

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 ...
Jim's user avatar
  • 1
0 votes
0 answers
1k views

Blower Motor Resistor Smells Like Toaster When on Low speeds

I recently replaced the front blower motor resistor board on my 1995 Suburban. All speeds work fine, but on the two lowest speeds, I smell a toaster smell that is almost certainly coming from hot ...
SAG's user avatar
  • 213
0 votes
2 answers
99 views

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 ...
Danielle's user avatar
0 votes
1 answer
730 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?
Ryan's user avatar
  • 1