GMC Yukon XL Questions Any type

Why Am I Getting 3mpg When I Used To Get 11mpg?

What Is Kban ?

While driving my Yukon I get a flashing blue light at the mirror and a voice says "rear kban" If i have the codes checked nothing appears. So what is this?

White Smoke At Cold Start, Loosing Oil But Not Loosing Coolant

I bought a 2007 yukon xl in april 2017 off of CarGurus. I bought an extended 3rd party warranty thru AUL. I took it in to a GMC dealership for repairs in sept. I told them it's smoking and loosing ...

2011 GMC Running Lights Not Working

My front and rear running lights recently all went out at the same time. Both fuses are good. I haven't checked the bulbs, but it doesn't make sense to me that they all go out at once. Brake ligh...

2007 GMC Yukon Denali

I parked for a minute to check something. Left the car running. I looked up and noticed my battery light on and "service battery charging system" message. It wasn't on when I took the kids to scho...

My A/c And Heat Only Blow Out The Defrost In The Front.

The rear air works fine, the a/c is cold, and the heater is hot. Just can't get anything to blow out the face or feet vents in front, only defrost.

Transmission Slipping In And Out Of Third

My transmission (automatic) started slipping in and out at about 35 mph. Once I hit about 45-50, it was fine. Had transmission rebuilt, and it kept doing the same after about two days. Replaced a barr...

I Just Bought A 2006 Yukon XL SLT And My Diagnostic Device Says It Has A "g...

There were no codes showing up through the DIC when I was checking out the vehicle, but three days after buying it the engine light came on. I connected my diagnostic reader and it shows I have a majo...

Cruise Control

If I replace the brake light switch on my 02 GMC Yukon XL will it fix issues I have with cruise control?

What Is The Difference Between E85 And E15 Flex Fuel

Location Of Cylinder #7 On 08 Gmc Yukon 5.3L

if im standing in fron of vehicle, where is cylinder 7

2011 Yukon Denali XL Radio & Turn Signal Cuts Out Every Minute

The past 2 weeks my radio (cd, dvd, etc) cuts out for less than a second about every minute. All sound goes quiet then back on. I also notice the same thing with my turn signal when at stop lights. ...

Rear A/C Not Working

Rear A/C has been shut off/disconnected from the system. Can anyone give me a guesstimate on repair cost/replacing rear A/C condenser? Thanx.

Ac Not Working

I have a 2007 GMC Yukon XL and when I try to turn on ac it blinks three times and doesn't kick on

Fuel Pump

New fuel pump and no start and no pressure . 2002 Yukon xl 5.3

2003 Yukon Xl

Hey guys.. I need HELP!! My 03 yukon idles rough, and dies when I take it on the road. Itll drive fine for a while and dies while in gear. It'll start back up after a while. When im trying to get ...

Changing Bench Seats To Bucket

6.2 Liter GM With Bent Spark Plug

I have a GMC Yukon XL Deanli with the 6.2 liter engine. I have a tic/knock in the engine. Then it started to run rough and the stabilitrack traction control lights came on. It also triggered a mi...

Salvage Cars Bad?

I see a salvage title vehicle I like. The seller said the driver's front quarter panel and front bumper were replaced. No frame damage. I will fly to the location and find a body shop to inspect the...

Denali Ac

2009 denali ac shuts on and off works and then it dont