Newest GMC Truck Forum Questions And Answers
► Serpentine belt
What is the size of my serpentine belt in my 2005 Yukon Denali
► Operation of VSES on 2011 GMC Sierra 5.3
My 2011 GMC Sierra has an intermittent error- "Stabilitrak/Service Traction Control " when driving. how do I determine if the problem is a wheel sensor or the yaw sensor?
► GMC Sonoma 2001 Vortec 2200 L4 engine
Where is the PVC valve located on this engine
► 2004 ac comp belt
Does the a/c compressor belt tighten by a tensioner or by adjusting th position of the compressor.
► envoy sle dies when temperature reaches normal and comes to a stop
I have a envoy sle 2006 it cranks up fine, but after running it for about 15minutes and come to a stop it dies out, it will crank right back up and drive till it comes to a stop again..it has had many parts replaced and sensors but nothing has work..what can be causing this..
► 1999 GMc van
Turn key deleted does nothing no dash lights
► 06 envoy codes
P0480 AND P0128, could these codes be just something as simple is changing a thermostat?
► Knocking after seafoam
I used seafoam about two weeks ago but did not have engine running I just poured it I to the hose from intake then I tried to start it wouldn't. Until I realized it could possibly hydrolocked so i took all my plugs out and turned the harmonic balance to get out the seafoam that remained. My truck started right up..but is now knocking. Could it be because I still have seafoam in my cylinders? My oil is fine.
► Re: 2002 envoy cranks no start
is the security light on or flashing?
► Re: 91 GMC 5.0Distributor Question
So, to continue on...stopped to get gas after work (2nd shift) and set the pump to auto fill, ignition key off. Popped hood and pulled dipstick to check oil and saw a spark as the dipstick came out of the tube. Spark was down where the tube contacts the heat tube from the exhaust manifold to the TBI air inlet. Pulled the spark plug wire away from where it contacted the dipstick tube and pulled the dipstick, no spark. Don't know why there would be any power to anything with the key off. Looks like I'll be chasing some wiring and replacing plug wires.
► 2006 GMC 2500HD brake switch failure
I have already read a couple of the posts on here about this. I am getting plenty of power which I think is my problem. I replaced my alternator thinking that it was sending too much voltage at 19 V to the that battery. The new alternator came with a spec sheet that said it should be putting out 19.6 V. Is there something between the alternator and whatever else to bump down the voltage? I'm getting full 19 V at my taillights. I've been through 14 brake light switches
► GMC Sonoma not starting
I found a nice diamondback cover that is on a 07 gmc classic style long box truck. Will it fit on my 08 new style long box truck??
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► 97 Sierra, lost turn signals and hazard lights
I have a 97 Sierra, and I lost the signal and hazard lights. I have checked the fuses and relays and they are good. I had heard there was alot of electrical trouble in these trucks associated with the switch for the hazzard lights mounted in the top of the steering column on the left side, just in front of the steeeing wheel. Has anyone else experienced similar problems, and what solves this issue? Please help
► 04 Envoy intermittant cruise control
When I start my Envoy in the morning the cruise doesn't work. After I shut it off and restart it cruise works fine. Same thing happens after it sits at work all day (13+ hrs). It is now becoming more prevalent and needs shut off and restarted more often which doesn't always fix the issue. I haven't found anyone else having this problem. Please help.
► Gmc envoy
Check engine light on its reading misfire on cylinder2 i tried everything pretty much,new plugs new coil pack new injectors, dont know wat else it could be please help thx.
► 2004 GMC Envoy P0410 Trouble Code
This trouble code keeps coming up on my Envoy. Reading information about this code points to the pump not coming on as the primary problem. The pump comes on when the ignition switch is turned on so I'm at a loss as to what to do to repair this problem.
Hello there, can someone please tell me why my 2007 Envoy vibrates only when I turn the a/c on? Spark plugs and and air filter has been replaced. Also check engine light is on and the code says that it's the thermostat. Not sure if the thermostat can cause the vibration. But it will be replace in a few days. Thanks
► 99 Tahoe 5.7 with 4L60E
I have a 4L60E from a 99 4x4 Tahoe with a 5.7, and I have a 2002 4x4 Yukon with a 5.3 with a bad 4L60E. Will the 99 work in the 02 without electrical or mechanical modifications, and if not, what needs to be changed? I can't afford to buy another transmission
► I need help with my gmc enovy
Please somebody tell me what you think is wrong with my truck .. I changed the ignition switch out and its still not starting
► 1991 gmc c1500 4.3
my knock sensor is on bottom of my block.,should antifreeze came out??? there is a blockage of black crap inside the hole where the knock sensor goes,should i scrape it out,or leave it before putting in new sesor??
► 4l60e transmission swap from a 99 tahoe into an 02 yukon
I have a good 4L60E out of a 99 Tahoe and I'm putting it in an 02 GMC Yukon and I've been told that there are differences in these Transmissions what do I need to do to make this transmission work in the Yukon? I have already purchased it and don't have the money to buy another one
► 2007gmc sierra classic hd
GMC pickup won't start! I just put another engine in it its been down for about a year and a half. When the key is off, there I be got 12v at starter . when I turn key on it doesn't . the instrument panel has the security light on along with everything else. The only way to get power to go off is disconnect the battery. Anyone have any clues?
► 95' GMC G2500 5.7 won't stay running
1 1have a 95' g2500 vandura . it has had a full tune up , changed out MAP sensor,oxygen sensor ,full flush of coolant system , had a mechanic check through the spark plugs and get a clean bill of health however it will emits smoke and will stall within 2 milesw of driving . it runs strong untilit just gives up . It has been in the garage 2x now with the same complaint and because they dont drive it around town it doesnt show them whats going on .
things I have replaced to try to fix this .
Fuel pressure regulator
All new plugs / wires / distributer cap .
New air filter .
Complete flush of the coolant system
PLEASE HELP !!!!
► Re: 2002 GMC K 1500 front drive shaft
does your vehicle have locking hubs? (is there a means to disengage your axle from your wheel hub)
► 2002 Gmc Envoy No Start
Need some help here ran great one day next day wont crank over ,starter will crank when jumped with screw driver,battery good tested, also have no gear indicator or fuel gauge,thought ign. switch but has power and send power when held in crank position..need some direction as to where to go next since no gear indicator and fuel gauge is reading E ..Thanks for any advice.