GMC Yukon XL 1500 Questions

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Does anyone know how many pitman arm are in the yukon xl?
I need to get back to town to have this fixed. Is there a way to get it to transfer back to 2 wheel?
Service 4wd is on the display screen sometimes. My truck also starts in a different 4wd setting almost every time I start it. I can sometimes switch it to 2wd by putting it in neutral and holding the break, I can hear...
Both switches on driver and passenger side do not work but my key fob does for all door locks. This is the only way to lock our GMC unless we do each one manually. I've check all fuses and they seem to be fine, howe...
I've reset actuators and it blows heat out of front for 2seconds then blows cold air new water pump thermostat bled air out I've had the dash out I just can't seem to figure it out it acts like the ac is on but its no...
one mechanic say is transmission other say differential. and now i don't trust either one.
Had brakes pads repaired/rotors turned 2 days later. Codes were reset. Ten miles later both warning lights came back on----What's up?
replaced switch &transfer case 4x4 controlmodule
When turning or backing up wheels not turning properly
My Yukon's transmission goes into and shifts easy but when it gets warm after 1-2 miles seems to shift in to neutral. Turn it off and let it cool. I have gears again. Is it a some switch or the transmission?
Feel it is not fuel pump because it starts and runs fine on 2nd crank. Is there a check valve that keeps pressure on line? reluctanat to replace fuel pump as feel it maybe something else
we just bought this used and have just tried to use the 4 wheel drive for the first time today but it would not engage. what would be the most common problems i should be looking into that would not let it engage. We ...
I had my transmission rebuilt about 2000 miles ago. It started little jolts a few weeks ago like I was driving over the reflectors on the side of the road meant to alert you that you are swerving. I took it to a shop ...
it appears dirty and sets codes: P1221, P1515 and C0298
brand new motor,transmission.idle doesnt even change when tryin to shift.
I Recently replaced the water pump. Right after doing this I noticed the Fuel gauge was pegged to full. Could I have disconnected something not knowing? Or did something to cause this problem.
it's throwing a misfire cylinder 1 code A knock sensor bank 1 code and and injector circuit code and is also throwing a shift solenoid B code I have no idea where to start the diagnosis never heard of it losing all fu...
Purchased used about a month ago. Switch button shows 2WD and won't change. Forums suggest it may be one of several problems. How can I isolate which component is culprit? I do not have code reader or lift. Forme...