GMC Sierra Questions Maintenance & Repair

  • Newest
  • Recently Active
  • Unanswered

1987 Gmc Sierra R1500 4.3l, Stalls And Shakes And Help.

My truck will die in the morning whether outside temp is cold or hot. Recently started occurring. I've replaced distributor, TPS, adjusted my idle because it was too low, my fuel pump works fine. N...

Gmc Ignition Failure

I was driving down the road and my 1994 GMC Sierra truck just died. Lost all power. I found a broken ground strap from the cab to the frame. I replaced it but still have nothing, not even a dome l...

Rough Idle 99 Gmc K1500 5.7

Truck idles very rough but once it's over 30 mph it seems to drive just fine until stopping or slowing below 30mph. I have replaces plugs twice, wires, fuel oump, fuel filter, relay fuse, full dist...

2 views with 1 answer (last answer 3 months ago)
20

89 Gmc 2.5l

Put a new injector in my 89 gmc 2.5 liter and its like the injector is stuck open and dumps way to much fuel when I turn the fuel pump on. What's causing it

11 views with 3 answers (last answer 3 months ago)

Replaced A Plethora Of Parts And She Still Won't Act Right. Will Not Start ...

My truck won't start at all now. It will chug like it's trying to start (not clicking, my battery and alternator are both brand new). I've replaced the distributor in it's entire. Ignition control mod...

15 views with 1 answer (last answer 5 months ago)

Truck Won't Run

8 views with 2 answers (last answer 6 months ago)

What Are These Plugs

What art the two plugs behind the distributor on a 350 GMC Sierra 83 I know they have something to do with misfiring because my trucks running like crap

16 views with 1 answer (last answer 8 months ago)

Engine Repair

My 94 gmc v8 truck was running until one day I didn't check the water and apparently the pump broke but I'm not sure if I need to repair the whole engine or just the gas kits it was smoking when I ...

5 views with 1 answer (last answer about a year ago)

Starting A 1982 Gmc 6.2l Diesel That Has Been Sitting For Several Years

I need tips on how to start a 6.2L diesel engine that has been sitting for several years. Both batteries were bad and I have a single one in there now and hook up another vehicle to it with jumper c...

33 views with 1 answer (last answer about a year ago)

Is The Rear Differential, And The Front Differential The Same In A Gmc 3500...

I need to know if the front and rear axles from the late 70's to early 80's GMC 3/4 ton and 1 ton 4X4 pickups are the same, besides gear ratios? Let me know... shawnjo6565@yahoo.com

23 views with 1 answer (last answer about a year ago)

How To Remove The Steering Wheel Column Cover

2002 Denali

20 views with 1 answer (last answer about a year ago)

Temp Gauge

Temp gauge pegs to far right, engine cold or hot

25 views with 1 answer (last answer about a year ago)

Do I Have A Cam On 5.7 Gmc 96 Sierra

13 views with 1 answer (last answer about a year ago)

Truck Stalls Will Not Start Again After Engine Warms Up

my 1992 gmc sierra truck will start up with no problems when the engine is cooled and been sitting for a while. However after driving it for a bit and the engine gets warm, it stalls and will not re...

30 views with 2 answers (last answer about a year ago)

I Have A 1999 Gmc Sierra 1500 4.3l. It Start Good, After About 20 Seconds I...

16 views with 6 answers (last answer about a year ago)

97 Gmc Sierra Won't Start

I drive this truck in frequently. Last time was April of this year. It started but with difficulty. I tried to start it again in July and it didn't start. It has been extremely rainy and humid more so...

61 views with 1 answer (last answer about a year ago)
20

Where Is The Speedometer Wires To The Tranny Located Or Where Do Any Speedo...

NO Speedometer and wont shift outta low gear!!

56 views with 3 answers (last answer about a year ago)
5

Where's The Ecu And How Hard Is It To Change?

I have an 1989 2500 with a 5.7 2wd. I'm not a mech. Got any tips or advice? A how to video would be great

35 views with 1 answer (last answer about a year ago)

1988 Gmc Sierra 5.7l 4wd Which Alternator Do I Need? 85 Amp? 100 Amp? ...

I have easily determined which alternator for an '03 silverado by the service parts identification codes in the glove box. Not finding that for the GMC. Any suggestions?

85 views with 2 answers (last answer about a year ago)

Does Tank Need Replaced

my pickup shuts down when gas under quarter tank has to sit for five minutes more or less acts if no gas present prior to the wait ,can pump excelarator some times a short start but cuts back off ....

14 views with 2 answers (last answer about a year ago)
1 2 3 4 next

Search GMC Sierra Questions

UK Questions

Are you a UK consumer? CarGurus now has a discussion forum in the UK.

GMC Sierra Experts

#1 FordNut
FordNut
Reputation 210
#2 dandyoun
dandyoun
Reputation 110
#3 Js08016
Js08016
Reputation 90
View All

Related Models For Sale

Used GMC Sierra 1500
975 Great Deals out of 60,125 listings starting at $1,299
Used Chevrolet Silverado 1500
2,513 Great Deals out of 152,116 listings starting at $1,500
Used Ford F-150
3,021 Great Deals out of 207,756 listings starting at $1,000
Used GMC Sierra 2500
198 listings starting at $4,999
Used GMC Sierra 2500HD
144 Great Deals out of 13,207 listings starting at $3,500
Used Chevrolet S-10
13 Great Deals out of 1,624 listings starting at $1,399
Used GMC Sierra 1500HD
5 Great Deals out of 116 listings starting at $4,500
Used GMC Yukon
556 Great Deals out of 17,134 listings starting at $1,875
Used Toyota Tundra
661 Great Deals out of 28,289 listings starting at $2,798
Used Dodge Ram 1500
501 Great Deals out of 13,070 listings starting at $1,495
Used Chevrolet Tahoe
819 Great Deals out of 27,811 listings starting at $1,700
Used Dodge Charger
467 Great Deals out of 30,103 listings starting at $2,275
Used Ford Mustang
532 Great Deals out of 42,736 listings starting at $1,699