# \#yukon-xl **URL:** https://community.cartalk.com/tag/yukon-xl/11151.md [Latest](https://community.cartalk.com/latest.md) · [Categories](https://community.cartalk.com/categories.md) · [Tags](https://community.cartalk.com/tags.md) --- ## [P0420 code still coming back](https://community.cartalk.com/t/p0420-code-still-coming-back/109697)
**Author:** [@BrandiHank](https://community.cartalk.com/u/BrandiHank)\ **Replies:** 20\ **Last updated:** [August 19, 2023, 10:49pm UTC](https://community.cartalk.com/t/p0420-code-still-coming-back/109697 "2023-08-19T22:49:56Z")
I own a 2010 GMC Yukon XL Denali that keeps throwing a P0420 code. I am at the point of just getting rid of it because we can’t seem to get any help actually getting it fixed. It started throwing this code a few months a… --- ## [Yukon XL Shuts off While Driving](https://community.cartalk.com/t/yukon-xl-shuts-off-while-driving/73498)
**Author:** [@greenlight2292](https://community.cartalk.com/u/greenlight2292)\ **Replies:** 16\ **Last updated:** [December 12, 2022, 11:24pm UTC](https://community.cartalk.com/t/yukon-xl-shuts-off-while-driving/73498 "2022-12-12T23:24:25Z")
I am currently having an issue with my 2003 Yukon XL. Randomly, but mostly associated with hot outside air temps or while pulling our camper the truck will just shut off. Almost like we turned off the ignition. We don… --- ## [2014 YUKON XL intermittent popcorn noise?](https://community.cartalk.com/t/2014-yukon-xl-intermittent-popcorn-noise/187042)
**Author:** [@kathy\_97](https://community.cartalk.com/u/kathy_97)\ **Replies:** 2\ **Last updated:** [October 24, 2022, 2:19pm UTC](https://community.cartalk.com/t/2014-yukon-xl-intermittent-popcorn-noise/187042 "2022-10-24T14:19:52Z")
can someone please help me out? my car makes this popcorn popping noise even when it’s parked. as you can hear, it’s intermittent. I have no idea what it could be. thanks everyone ! --- ## [2007 GMC Yukon XL Starting Issues](https://community.cartalk.com/t/2007-gmc-yukon-xl-starting-issues/184495)
**Author:** [@saintbernard](https://community.cartalk.com/u/saintbernard)\ **Replies:** 7\ **Last updated:** [June 6, 2022, 5:40pm UTC](https://community.cartalk.com/t/2007-gmc-yukon-xl-starting-issues/184495 "2022-06-06T17:40:17Z")
Hello, everyone! I recently bought a used 2007 GMC Yukon XL. The truck is in generally good condition but there are a few issues. (I am hoping they won’t be too expensive to fix!) Right now, I am finding a starting i… --- ## [07 Yukon humming/vibration from LF area](https://community.cartalk.com/t/07-yukon-humming-vibration-from-lf-area/180194)
**Author:** [@aaron.dolski\_163241](https://community.cartalk.com/u/aaron.dolski_163241)\ **Replies:** 14\ **Last updated:** [October 25, 2021, 12:03am UTC](https://community.cartalk.com/t/07-yukon-humming-vibration-from-lf-area/180194 "2021-10-25T00:03:31Z")
Hello, I have a 2007 Yukon XL 1500 5.3 4wd. The left front area has a humming/vibration when going above 40 and I have feel it a little more when slightly turning wheel to the right. Now before you say wheel bearings, be… --- ## [Terrible vibration between 72-77mph](https://community.cartalk.com/t/terrible-vibration-between-72-77mph/158398)
**Author:** [@aaron.dolski\_163241](https://community.cartalk.com/u/aaron.dolski_163241)\ **Replies:** 5\ **Last updated:** [February 13, 2020, 4:08am UTC](https://community.cartalk.com/t/terrible-vibration-between-72-77mph/158398 "2020-02-13T04:08:30Z")
Hello. Vehicle in question is a 2007 GMC Yukon XL 4x4 5.3 I recently did work on my truck and now there’s a terrible vibration (not to be confused with a shake) at about 72mph-77mph. Outside of that range, it drives fin… --- ## [Fuel issue? 2001 GMC Yukon XL 1500](https://community.cartalk.com/t/fuel-issue-2001-gmc-yukon-xl-1500/158003)
**Author:** [@Nick\_Johnson\_1](https://community.cartalk.com/u/Nick_Johnson_1)\ **Replies:** 2\ **Last updated:** [February 6, 2020, 10:32pm UTC](https://community.cartalk.com/t/fuel-issue-2001-gmc-yukon-xl-1500/158003 "2020-02-06T22:32:28Z")
My Yukon fires up fine but doesn’t like to stay started. I have to feather the gas and turn the key multiple times to get it to idle. Also I have lost power/sputtering/no rpms while pushing accelerator going over 70 on t… --- ## [2007 GMC Yukon XL - heaters blow cold with coolant warning](https://community.cartalk.com/t/2007-gmc-yukon-xl-heaters-blow-cold-with-coolant-warning/152421)
**Author:** [@Pedro28](https://community.cartalk.com/u/Pedro28)\ **Replies:** 5\ **Last updated:** [November 9, 2019, 3:22pm UTC](https://community.cartalk.com/t/2007-gmc-yukon-xl-heaters-blow-cold-with-coolant-warning/152421 "2019-11-09T15:22:56Z")
Vehicle says coolant low add coolant the weird thing is when the message pops up my heaters change and start blowing cold only on the drivers side --- ## [2005 GMC Yukon XL - tough to steer at slow speed](https://community.cartalk.com/t/2005-gmc-yukon-xl-tough-to-steer-at-slow-speed/133023)
**Author:** [@EllenCreagh](https://community.cartalk.com/u/EllenCreagh)\ **Replies:** 3\ **Last updated:** [January 22, 2019, 10:54am UTC](https://community.cartalk.com/t/2005-gmc-yukon-xl-tough-to-steer-at-slow-speed/133023 "2019-01-22T10:54:23Z")
When I turn right at very slow or no speed, I can hardly turn the steering wheel as if the power steering was nonexistent. after just a small acceleration, it’s fine. Turning left is no problem. 2005 Yukon XL 4 WD’ --- ## [Why does the battery drain when the car is parked?](https://community.cartalk.com/t/why-does-the-battery-drain-when-the-car-is-parked/126266)
**Author:** [@DavidBaker](https://community.cartalk.com/u/DavidBaker)\ **Replies:** 3\ **Last updated:** [October 7, 2018, 12:43am UTC](https://community.cartalk.com/t/why-does-the-battery-drain-when-the-car-is-parked/126266 "2018-10-07T00:43:07Z")
Why does the battery die when vehicle is parked? --- ## [2005 GMC Yukon XL dash lights](https://community.cartalk.com/t/2005-gmc-yukon-xl-dash-lights/122163)
**Author:** [@Ivor](https://community.cartalk.com/u/Ivor)\ **Replies:** 2\ **Last updated:** [August 10, 2018, 8:14pm UTC](https://community.cartalk.com/t/2005-gmc-yukon-xl-dash-lights/122163 "2018-08-10T20:14:34Z")
Service air bag and service riding control are both on. How to repair and what the cost would be? --- ## [2007 GMC Yukon XL water damage](https://community.cartalk.com/t/2007-gmc-yukon-xl-water-damage/118762)
**Author:** [@Maduenooctaviano](https://community.cartalk.com/u/Maduenooctaviano)\ **Replies:** 2\ **Last updated:** [June 6, 2018, 7:29pm UTC](https://community.cartalk.com/t/2007-gmc-yukon-xl-water-damage/118762 "2018-06-06T19:29:13Z")
The history of my car if was water damage. --- ## [Recommended Fuel for FlexFuel 2012 Yukon](https://community.cartalk.com/t/recommended-fuel-for-flexfuel-2012-yukon/98035)
**Author:** [@brian.pinter](https://community.cartalk.com/u/brian.pinter)\ **Replies:** 16\ **Last updated:** [January 5, 2017, 12:23am UTC](https://community.cartalk.com/t/recommended-fuel-for-flexfuel-2012-yukon/98035 "2017-01-05T00:23:19Z")
I just purchased a 2012 Yukon XL Denali and while reading through the manual I came across the section discussing fuel. I am a bit confused, however, as to what I should be using. There is a section that states that "Ve… --- ## [2004 Yukon lower ball joint has me stumped](https://community.cartalk.com/t/2004-yukon-lower-ball-joint-has-me-stumped/93452)
**Author:** [@Yobenny](https://community.cartalk.com/u/Yobenny)\ **Replies:** 11\ **Last updated:** [June 5, 2016, 9:37pm UTC](https://community.cartalk.com/t/2004-yukon-lower-ball-joint-has-me-stumped/93452 "2016-06-05T21:37:30Z")
Hi folks, I recently bought a nice 04 yukon and am working over the front end. However this ball joint has me stumped, I cannot figure out how to press it out. The top has 4 flared places on it to stop from moving down… --- ## [New Alternator or Not?](https://community.cartalk.com/t/new-alternator-or-not/89397)
**Author:** [@TinkerBelle](https://community.cartalk.com/u/TinkerBelle)\ **Replies:** 9\ **Last updated:** [March 23, 2015, 4:23am UTC](https://community.cartalk.com/t/new-alternator-or-not/89397 "2015-03-23T04:23:41Z")
Yesterday when I turned on my truck the red battery warning light came on. The battery volt indicator gauge showed a charge of about 12. I tried driving it to an auto parts store, and the battery slowly died while I was … --- ## [Transmission noise on 2004 Yukon - "Zzzzzzzzzzz" in Overdrive](https://community.cartalk.com/t/transmission-noise-on-2004-yukon-zzzzzzzzzzz-in-overdrive/80703)
**Author:** [@HarleyHuskerMan](https://community.cartalk.com/u/HarleyHuskerMan)\ **Replies:** 7\ **Last updated:** [August 12, 2013, 6:50am UTC](https://community.cartalk.com/t/transmission-noise-on-2004-yukon-zzzzzzzzzzz-in-overdrive/80703 "2013-08-12T06:50:24Z")
Hi, A friend of mine visited from California and the transmission on his 04' Yukon is making a strange noise that no mechanics can figure out. Prepare for some "sound effects"........... :slight\_smile: He said that… --- ## [Yukon leaks transmission fluid](https://community.cartalk.com/t/yukon-leaks-transmission-fluid/79016)
**Author:** [@Martin\_Buber](https://community.cartalk.com/u/Martin_Buber)\ **Replies:** 2\ **Last updated:** [April 29, 2013, 8:28pm UTC](https://community.cartalk.com/t/yukon-leaks-transmission-fluid/79016 "2013-04-29T20:28:46Z")
I have a problem with leaking transmission fluid. I find it all over the right front suspension, and I can't figure out where it is coming from or how to fix it. Help! --- ## [Door Panel Removal](https://community.cartalk.com/t/door-panel-removal/73548)
**Author:** [@Determined](https://community.cartalk.com/u/Determined)\ **Replies:** 6\ **Last updated:** [July 16, 2012, 7:02am UTC](https://community.cartalk.com/t/door-panel-removal/73548 "2012-07-16T07:02:56Z")
How do I remove the inside door panel on a 2001 GMC Yukon. I removed two screws, one under the bottom of the door panel and the other one under the door handle. I also removed the light casing, the power door lock casi… --- ## [Antilock brake system](https://community.cartalk.com/t/antilock-brake-system/71795)
**Author:** [@kmf1](https://community.cartalk.com/u/kmf1)\ **Replies:** 4\ **Last updated:** [April 6, 2012, 9:39pm UTC](https://community.cartalk.com/t/antilock-brake-system/71795 "2012-04-06T21:39:18Z")
I have a 2006 GMC Yukon XL 4WD 1500 with 95,000 miles. When I make left turns, after coming to a stop, the antilock brake system engages, making a groaning-pumping sort of sound in the upper front left area under the ho… --- ## [Denali rear heat](https://community.cartalk.com/t/denali-rear-heat/69953)
**Author:** [@ETTEVROC2791](https://community.cartalk.com/u/ETTEVROC2791)\ **Replies:** 0\ **Last updated:** [December 12, 2011, 9:16am UTC](https://community.cartalk.com/t/denali-rear-heat/69953 "2011-12-12T09:16:46Z")
My 2005 Denali XL wont blow hot air in the rear. Had front accuators replaced last year and everything worked at the time. Noticed rear stopped blowing hot. Blows cold, not even lukewarm. Blower works just no heat. … --- ## [2006 GMC Yukon Transmission Problems - How Hot Should It Run?](https://community.cartalk.com/t/2006-gmc-yukon-transmission-problems-how-hot-should-it-run/68869)
**Author:** [@steven\_zim](https://community.cartalk.com/u/steven_zim)\ **Replies:** 24\ **Last updated:** [October 27, 2011, 4:36am UTC](https://community.cartalk.com/t/2006-gmc-yukon-transmission-problems-how-hot-should-it-run/68869 "2011-10-27T04:36:31Z")
I have a 2006 GMC Yukon XL and its transmission started slipping at just under 60K miles. My local repair shop (who I trust) suggested a transmission shop that they work with a lot. Since I tow a trailer with the vehicle…