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GMC Repair and Maintenance
GMC Models
GMC Jimmy, GMC S15 Jimmy, GMC S15, GMC Safari, GMC Yukon, GMC Sierra 1500, GMC Sierra 2500, GMC Yukon Denali, GMC Yukon XL 1500, GMC Yukon XL 2500, GMC Sierra 1500 HD, GMC Sierra 3500, GMC Sierra C3, GMC Envoy, GMC Sierra Denali, GMC Canyon, GMC Sierra 3500 HD, GMC 1500 Pickup, GMC 2500 Pickup, GMC 3500 Pickup, GMC Sierra 2500 HD, GMC Yukon XL Denali, GMC Suburban 1500, GMC Suburban 2500, GMC Sonoma, GMC Rally Wagon 1500, GMC Rally Wagon 2500, GMC Rally Wagon 3500, GMC Vandura 1500, GMC Vandura 2500, GMC Vandura 3500, GMC Savana 2500, GMC Savana 3500, GMC Acadia, GMC Savana 1500, GMC Sierra 1500 Hybrid, GMC Yukon Hybrid
GMC Questions and Answers
my vehicle starts right up it dont over heat and has no loss of power but throwing out white smoke when driving or just idleing it blows out horrifcly could it be the head gasket or block
When I pull the oil dip stick, there is a strong smell of gas on it.
I was driving home when i started to hear a weird noise coming from the engine on the drivers side of my jeep. I was worried but i was almost home so i drove slow. I noticed that when i stopped giv...
My jimmy has been stuck and in 4WD for a month and a half now...i hit the button again and its supposed to switch back to 2 wheel and i hear a click noise behind the glove box but it just stays in ...
Hi, i have an 1994 4wd Jimmy slt 4.3 liter. Is there two oxy sensors or just one. It all of the sudden runs poorly and seems to miss and gas mileage is down as well. Any help with this would be tha...
We keep having to replace the Catalic Converter due to engine running rich. Have replaced egr valve, oxgyen sensor,vacuum leak, fuel injection system. Possibly other stuff can't remember now, but...
My 1993 GMC Jimmy recently started not starting in and around when we have big rain storms. I replaced the fuel pump a few years ago, and just recently we replaced the ignition coil. The next day i...
i need the easiest way to change the flywheel cause i realy dont want to drop the tranny. thanks.
My 93 Jimmy ran great. Just Had a tune up done with new plugs, wires and so on. It Has 230K and ran like new. Then one day I get up and it won't start. It turns but there doesn't seem to be a spark...
my 1988 gmc jimmy backfires through the throttle body and looses pressure when driving , and cuts off. can anyone help me?
I need to know what size the nut on the axel is in order to replace the brake rotor.
how do i access the key cylinder on the rear power window? the power window works from the interior switch but not from the outside key. i cant access it in order to check the connection.
thanks for the responce oakman...i went thru the panel originally, but with the window up, the motor mechanism is in the way of the two screws on the cylinder. the does tailgate come apart somehow...
My jimmy's dash components have been blinking off and on for about two weeks now and when i put it in reverse they go out completely.Now it is setting and won't start.It will turn over all day long...
We have tried to get our Jimmy to pass CA smog 4 times now and each time it's failed. We have done the cleaning of the fuel system and have even had a tune-up. Apparently every time it fails it's...
I have a '93 Jimmy 4x4 and the brake lights won't work. The bulbs are new and the brake light switch is new as well. All other lights (indicator, tail, signals...) work, just not the brakes. I'v...
I am flushing the radiator and want to install a new theromostate
Where is the theromostat located on a vetec engine.
The tailgate window only goes down part way on one side and seems to bind up. I took off the cover & found some rusted metal pieces/arms? in there. what are they called so I can order the correct p...
GMC Car Reviews
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good car lasted over 10 years with 190000 miles on it |
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My problems are rough idle, that I don't know how to fix and the brackets in both windows broke so now I can't roll my windows down at all and then the mirrors quit moving. What to do? |
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I bought this 3500 last week with a lot of highway miles but it runs like new. I am amazed at the power the 6.6 Duramax Diesel engine has, coupled with the Allison tranny, WOW! Best truck I have ever owned. |
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Love my truck. Bought it new. No problems and we have 130,000 miles on it. I have driven it from West to east coast not problems. I have no reason not to keep it. |
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We purchased car brand new from dealer. Has been the best car purchase ever. Very dependable. Car was wrecked recently with 208k miles and we're sad to see it go. replaced cat converter at 160k miles and brakes at 120k miles. great suv. |
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this truck has been great, bought mine with 75000 miles on it last november. i have had to put a new exhaust system because the catalytic converter went bad but besides that i love this truck, this is a mean little truck and it can handle just about anything |
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This truck drives ok, but so many problems. The exhaust, cat converter, back up light housung, fuel gauge sensor, brakes (rotors), wheel bearing and stabiatrack. all befroe or around 4 years old. never again by a gmc procuct. |
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good ,reliable vehicle |
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diz truck is just like mine and fuken bad ass |
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I love(d) my car. I have a 2002 envoy purchased brand new and is now having trouble. I've never once had to replace my brakes (fingers crossed). the only repairs I've had were fixing the A/C unit, replacing the water pump and now experiencing problems w/engine starting to rumble and lose power. Over all, I can't complain because it's been very good to me this long. With a little over 134,000 miles I guess something is bound to break eventually. Perhaps I'll look into the buying the GMC Arcadia. |
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I bought mine used w/about 99,000 miles on it. It has never left me stranded or not started, etc. But i've had it nearly 8mos now and have only put about 5,000 miles on it (i also have a 2008 sebring i bought new, that has 52,000 on it already) i do a lot of driving. This Yukon has been in the shop more than on the road! Some of the denali trim is peeling off on the rear and the front quarter panel. When I drove it off the lot, the rear wiper didn't work, by the time they finished screwing up that (finally the used car dealer gave up and took it to a GMC dealer)- my heated seats had quit working and so had my fog lights. Once the wiper was working, the fog lights did too, no such luck on the driver heated seat. The tire sensor monitor fault has shown up since I bought it. The used dealer never did fix those- took it to my chrysler dealer and they fixed them. New brakes and rotors, new grill and headlight assemblies (had been in a wreck the used dealer forgot to mention)- they replaced those items, and the driver side view mirror (mirror shook inside the housing on the interstate- couldn't see behind me), The radio had a CD jambed in it, so they replaced the top CD part. Then I tried to get XM radio and they said my tuner was going out and needed repaired.- so no XM for me. I hit 2 deer within about 1 mile of each other and had the SUV towed to the dealer. When i got it back (2.5 months later- couldn't get a steel reinforcement for the bumper?) the rear wiper didn't work again and now my remote starter didn't work. Remote start was an easy fix, still dealing w/the wiper... RIDICULOUS!!!! Not sure if it was working before or not.. but with all the heat, just tried to turn on the A/C to the rear and it only blows hot air... Anyone considering a used Denali... consider a horse or a bicycle... |
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My 1991 S15 Jimmy has been great for me, i have experienced some of the common problems like the power window motors going bad or the heater core leaking coolant onto the front passenger side of the floor. But besides these minor problems this truck has been nothing less than great for me. |
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Had the truck for 3 years, bough it used with 37,000 miles on it. Had to replace power brake booster and headlight bulbs, brakes, tires, etc. Has 96,000 now and has had some airbag sensor issues. Just got an extended warranty as the transmission is acting funny. Its been a great vehicle for the money!!!!!! |
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I love my suburban, its been a great veh. has only 99,000 miles on it . Most have been highway miles. Retired now so hope to keep it
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Brakes suck 113,000 miles and on the fifth set of brakes. speedometer broken, parking brake broken, a/c fan works on and off. auto ride not working. What next. Just when you get it paid off it starts biting back. Battery is too small for all the lighting and acc. drive lights keep burning out. |
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I bought my 1999 yukon denali when it was a year old and have it for 10 years with 155,000 miles on it not great on gas but very satistied with GMC and the vehicle itself outside of the schedule maintenence and my catalytic converter recently acting up a great truck overall cant wait to buyer a newer one |
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comfortable and with the 6.0 liter gas V8 an acceptable tow vehicle for my 3 horse trailer. Lots of trouble early on with the steering sector that GM didnt find a solution for until AFTER it was off warranty. Poor gas mileage empty (12 to 12.5) but get about 11 when towing a full trailer.
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6.2 liter sounds like a deisel-very noisy. 6 speed trans vibrates in 6th gear. Dealer said they all do that! Still trying to get fixed under warranty. DON'T buy a 2010 Sierra Denali! |
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love this truck no problems!!! |
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We love this Denali - average gas mileage is 15.4 - high of 21.2, low of 12.8 - 22000 miles, no issues yet. |
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I have a 02 GMC Sonoma and the passager side cab is rusting. The thired door handle broken because its plastic. Its automatic and some times when shifting it does not seem like it wants to shift. The daytime running lights work but when I turn on the turn signial they go out until the turn signial goes out. |
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I OWN AN 09 3500 HD GMC WITH THE DURAMAX LOVE THE POWER AND INTERIOR , BUT THE REAR BRAKES TOTALY SUCKS AT 18000 I HAD TO REPLACE REAR ROTORS AND PAD THEY WERE 100% GONE NO PADS LEFT WHILE THE FROUNT BRAKES WERE NOT WOREN AT ALL THE WERE STILL IN SPECES FOR THE MILEAGE IT HAD ON IT. AT 31000 THE REARS HAD TO BE REPLCED AGAIN AND FROUNTS STILL WERE GOOD . |
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I got my 1993 baby with 160,000 in 2009 it now has 204,440 and running like a mad dog. I love this truck she is my baby...... Only had to fix the brakes and change the starter and minor repairs do to age. I wouldn't trade her for nothing.......... |
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sI one of most trouble-free car I had!!! |
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Bought this 1500 from my son with 177,000 miles on it.it now has 184,000 miles on it. motorruns great better then must newer trucks today. Give it oil changes every 3,000 miles and tune - ups evry 5,000 miles. Only thing that i had to do was replace the donut gasket and put new brakes on,O and replace the starter the one that i took off was the origanal |
GMC Problems
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| Engine | V8 gas engine
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| Electrical & Lights | The windshield wipers may not work intermittently do to a faulty wiper motor control board. Our technicians tell us that lightly taping on the wiper motor when the fault occurs should temporarily get the wipers working again. |
| Suspension & Steering | On vehicles equipped with rear air springs, the air compressor may fail causing the rear suspension to sag. |
| Exhaust & Emissions | A Loose or worn gas cap may cause Service Engine light to illuminate. |
| Heating & Air Conditioning | The air conditioning compressor may develop an abnormal noise and require replacement. Our technicians tell us that whenever a compressor is being replaced for a noise condition a filter kit should be installed to try and keep any metal particles in the system from damaging the new compressor. |
| Drive Train | Our technicians highly recommend that the transmission is serviced every 30,000 miles to avoid problems and maintain optimal operating order. |