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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
2k views

Grey smoke when idling 1999 GMC Suburban, coolant system pressure loss

The most recent update is at the bottom. This looks interesting. The Smoke I'm confident the smoke is from burning oil. It's slightly blue, absolutely not white. If the engine is warm and I am ...
2
votes
2answers
92 views

GMC Yukon leaking coolant. Wondering where to look

Loosing coolant. When I crank car it leaks a lot of coolant, but stops when driving. If I fill the reserve up I can't see it leaking anywhere. As soon as I put it in drive it leaks like a faucet for a ...
2
votes
2answers
3k views

Engine condensation causing no-start condition

I have a 2000 GMC Savanna, and I've had this problem twice. If we have a particularly cold few days, then a warm humid front moves through overnight, the engine won't start. I can see quite a bit of ...
2
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2answers
51 views

1995 gmc Sierra 1500 [closed]

Since it snowed the water in my 95 gmc Sierra 1500 froze and cracked the block at the top and I went to fill the radiator up and everything just poured out on the side of the motor but you have to ...
2
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1answer
210 views

Blocked windshield washer jet 96 Suburban K2500

The passenger side washer jet on my 96 GMC Suburban K2500 got something in it, and I can't figure out how to clear it. The tubing is buried somewhere inside the firewall and I can't find the end to ...
2
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1answer
67 views

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 ...
2
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1answer
28 views

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 ...
2
votes
1answer
88 views

Repair oil leak in gmc truck

What do you recommend to stop oil leak on intake manifold in GMC 350 gasoline truck? Have used red forma gasket?
2
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1answer
107 views

1987 GMC pickup - will not crank

I have a 87 GMC pickup. It was running fine yesterday. Went to get in it this morning and nothing. The cab light came on at first, but now nothing. When I hook jumper cables to it I get a spark from ...
2
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1answer
47 views

1996 gmc 3500 cube vanheater problems

1996 gmc 3500 cube van when heater fan is on and in cold position it blowes very hard but when you turn it to full heat it hardly blows at all?? what do I need to clean or fix
2
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1answer
448 views

Does starter replacement make sense in a heat sink situation?

Related to: Slow chugs from starter with warm engine but not cool engine? It seems that while the engine is running, it heats up the starter, and then it sounds like it is barely able to start. This ...
2
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0answers
8 views

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 ...
2
votes
1answer
75 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 ...
2
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0answers
55 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
votes
1answer
559 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 ...
2
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0answers
520 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
110 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 ...
2
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0answers
48 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
94 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 ...
1
vote
3answers
238 views

I need to replace the female part that a headlight bulb fits into

I don't think the make/model matters here, but just in case, I own a 2009 GMC Acadia. My driver-side, low-beam headlight went out yesterday. I bought a replacement H11 bulb and began replacing the ...
1
vote
1answer
94 views

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 ...
1
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2answers
15k views

brakes wont bleed after replacing lines from mc back 98 gmc jimmy

98 gmc jimmy 4.3 liter. brake pedal to floor after ok previous day. eventually stops me although don't stop on dime. hubby replaced lines from mc back (rubber and metal) part of line. Tried to bleed ...
1
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2answers
59 views

Transmission Dip stick reading at Hot level [closed]

I just bought a 2000 GMC Jimmy with 170,012 miles on it. Is it normal that it is reading hot on the dip stick of the tranny fluid? yes this is after its been running for awhile.Also the previous owner ...
1
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2answers
95 views

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 ...
1
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2answers
912 views

Tire rotation, and wheel alignment led to broken tire pressure sensor

I had my 2012 GMC Terrain serviced: Tire Rotation Brake System Flush Wheel Alignment Before taking the vehicle in, there were no outward signs (alerts, false-positives or otherwise) of any problems ...
1
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2answers
2k views

Can driving through puddles damage your vehicle?

Was driving through puddles yesterday and got in shit from my dad telling me it could crack the headers on my truck. Just wondering if he is full of it or not.
1
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2answers
41 views

98 GMC 1500 SLT ac electrical problem

I developed a leak in the high side Schraeder valve and the refrigerant got low enough that the compressor kept cycling on and off. I unplugged the compressor coil wire until I had time to fix the ...
1
vote
1answer
57 views

High Mileage GMC Yukon hybrid

What is considered high mileage on used Hybrid GMC Yukon? I am considering the purchase of a used Hybrid GMC Yukon or Chevrolet Tahoe. Is 125,000 high mileage for a Hybrid, like a standard gasoline ...
1
vote
1answer
20 views

Leaking at top of rear door

2006 GMC Siera Ext cab. I have a leak. water leaks in around the top of the left rear door. It appears to come down the rear door post. I have replaced the weather stripping and that didn't help. Any ...
1
vote
1answer
138 views

Broken bolt in intake

I have a "2005" Canyon with a 3.5 I5,the other day I was putting the intake back on and broke a bolt in the intake,I think I have access to the broken bolt thru my wheel well. i have a good idea on ...
1
vote
1answer
2k views

Sputtering and hesitation upon acceleration and intermittently

I have 98 GMC Sierra 1500 RWD with 4.3 L engine and automatic transmission. Have replaced the following within this year: distributor cap spark plugs and wires valve cover gaskets catalytic ...
1
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2answers
476 views

Turn signal strangeness, and not just a burnt out bulb. 02 Safari Van

So for a couple weeks, I've had my right turn signals occasionally start blinking fast, but sometimes blinking at expected speed. Because I could see the light of my front-right signal reflecting on ...
1
vote
1answer
473 views

What could cause ABS on 1 wheel when braking at slow speed?

I have 1999 GMC Sierra. There are no check engine lights on. The engine runs well and 4 wheel drive works well. When I brake when going slow (like 10MPH or less) sometimes the ABS engages causing ...
1
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1answer
2k views

Grinding noise rear passenger side when braking at low speed

The rear brakes on my 2000 GMC Jimmy are disc brakes, not drums. I just changed the rear brake pads and rotors at 83,000 miles. The car is currently at 91,000. Grinding noise at low speed but the ...
1
vote
1answer
29 views

1999 GMC Safari Shocks

I have a 1999 GMC Safari 2WD that has 160k on it. I need to replace the shocks on it. Does anyone know how to do this and have a recommendation on the type of shocks I should install? I only drive ...
1
vote
1answer
82 views

I have a 1993 GMC sierra 1500 and I have some questions about the grounding

When we bought the truck the original battery was grounded to the alternator and my dad told me I should remove the ground and put it to the frame. Well after we did that all of my gauges started ...
1
vote
1answer
61 views

Rims for my tires?

I have a 2001 GMC Sierra 1500 and have 16 GMC stock rims but was given a set BF Good rich all terrain 315/70R17 tires in almost perfect shape. Would like to buy 17 rims for them. How do I make sure ...
1
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0answers
22 views

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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0answers
11 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 ...
1
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1answer
49 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 ...
1
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0answers
49 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 ...
1
vote
0answers
146 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 ...
1
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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?
1
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0answers
632 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....
1
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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....
1
vote
0answers
28 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.
1
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2answers
329 views

2001 GMC Jimmy wont start? [closed]

Hi I have a 2001 GMC Jimmy it was running fine, then parked it. it starting acting funny, sometimes would take a couple times to start, so checked my oil dipstick, it read a little high and smelt ...
1
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0answers
1k views

Car won't start but all power works [closed]

I have a 2005 GMC Envoy. It will not turnover or click but all power and lights work. I can hear the fuel pump kick in. When I turn the key nothing happens. I touched the starter with a screwdriver &...
0
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1answer
229 views

SD255 vs PMGR Starter - GMC 1998 Suburban

I plan to replace the starter on my Suburban. When I go to BuyAutoParts.com, and fill in the make/model/year http://www.buyautoparts.com/selectpart/1998_GMC/Suburban/Starter/30-0.html I get two ...
0
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1answer
344 views

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 ...