Question about 2005 GMC Yukon Xl Denali

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My 2005 Yukon xl doesn't start right away in the

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Did you tune it up after 100,000 miles check fuel filter and also inspect all vacum hoses

Posted on Mar 26, 2012

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Posted on Jan 02, 2017

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SOURCE: 2005 Yukon XL, third brake light intermittent

Remove bulb, make sure it sits tight in the socket. make sure socket is not burnt up (brown or black in color) Check bulb, if the filament inside is loose or discolored, replace as nesessary. Check brake light switch under driver side dash above brake pedal. make sure it is adjusted correctly.

Posted on Jul 23, 2009

  • 94 Answers

SOURCE: 2005 gmc yukon xl denali service ride control

it has to do with your air ride suspension best bet is take it to the dealer there is probably a problem with a level sensor. hope this helps you

Posted on Mar 16, 2009

  • 1 Answer

SOURCE: 2007 yukon xl battery dead recharged battery will

We had the same issue with our 2007 Yukon Denali XL. Died on us twice after sitting for short periods of time; once we watched a DVD with the engine off and battery died within 10 minutes. The dealership kept it overnight to troubleshoot why the battery died so quickly. They said the radio was "pulling" too much from the battery. (They supposably fixed it) But again a few days later the battery died again after sitting overnight. We brought it back to the dealership and they brought in a GMC "expert" to replace the entire DVD/CD/Navigation system. They also replaced our battery with a much larger battery, similar to the ones that GMC puts in there diesel trucks. They had our Denali for 5 days, but it appears to be fixed now.
Getting it fixed correctly wasn't without headaches, but it was all covered under warranty, including the battery. And they are updating the nav w/ the new edition disc as well for no charge.

Posted on Apr 24, 2009

Molson02536
  • 3854 Answers

SOURCE: 2001 gmc yukon xl key in ignition won't turn to

The tumblers in the ignition lock may be seized, try cleaning it out first with a small spray of WD40 and try the spare ignition keys. The keys it self may be too worn down for the tumblers in the lock and if you have lots of other keys on your key chains, this will promote the lock to wear out quicker. Good luck and hope this helps and try turning the steering where back and forth as you try to turn the ignition key.

Posted on Dec 13, 2009

  • 538 Answers

SOURCE: power steering problem when turning right

I'm not sure if that truck has rack and pinion steering, or a steering sector. In either case, it sounds like you have stuck valve and the hydraulic pressure is fighting you, instead of helping you. When ever you turn the steering wheel the valve is supposed to move and direct the hydraulic oil pressure to help you steer. The valve is built into the sector or the rack and pinion, you may have to replace the assembly. There are companies that recondition those items so you might want to shop around.

Posted on Jan 09, 2010

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I have an 05 Yukon xl Denali. Trans action message keeps coming up and transmission doesn’t feel right. Any ideas what this message means? Thank you


Check the fluid. Then have the codes read. It may have a bad shift control solenoid. The CEC may hold the key to your repair.

Oct 18, 2018 | GMC Yukon Denali Cars & Trucks

1 Answer

2014 GMC Yukon XL having hard time trying to get it to start


possible lose connection to battery or ground on the body.Grab and twist every ground wire you see .tight and clean oxydaition.

Mar 24, 2014 | GMC Yukon XL Cars & Trucks

1 Answer

05 YUKON REAR HEAT NOT WORKING


Rear heat not working ? The blower motor isn't working ? No air coming from the rear vent's ? Is it just a yukon or XL or denali ? What size engine ? 4.8 , 5.3 or 6.0 l Manual or automatic climate control ? Does the blower motor work on any speed ? The front an rear heater system are seperate , have there own electrical circuits . Could have a couple of different systems ,could have a control processor or relay's an a resistor block . Do you know how to test automotive electrical circuit's using a wiring diagram and a DVOM - digital volt ohm meter ? Plus to get at the rear heater-A/C unit you would need to take the right rear trim panel off .
2003 Tahoe No Rear Heat Fix Suburban Yukon XL Repair

Dec 08, 2017 | 2005 GMC Yukon

1 Answer

Gave a jump start and now headlights don't work on a 2005 yukon denali


sound like battery has weak or battery terminals and post need cleaning. have battery charged and checked, if battery good. alternator not charging battery. if battery over 5 years old more likely battery is bad.if battery too weak head lights wont turn on battery dead this time of year if battery old. cold weather will finish it out.

Nov 28, 2012 | 2005 GMC Yukon Xl Denali

1 Answer

Ignition Issues


Probably a bad starter solenoid.Verify by probing the purple wire to the solenoid with a 12volt test light while someone turns the key.

Jun 13, 2012 | 2005 GMC Yukon Xl Denali

1 Answer

My 2002 Yukon Denali XL shut down while my wife was driving it on the highway.When I reached her the truck's battery was completely dead. I purchased a new battery and now there's power but the...


Define - It attempts to turn over but won't catch and run ???? When you turn the key to start does the starter engage an spin the engine ? This would be a crank no start condition . If the starter doesn't engage an spin the engine this would be a no crank no start condition . Sorry to ask but i have only been an auto tech for thirty years an have heard a lot of different discriptions for these simple actions . crank no start or no crank no start . Very different diagnostic procedures . So when you turn the key to start , does the starter engage an spin the engine ,but won't start an run ?

Jan 27, 2018 | 2005 GMC Yukon Xl Denali

1 Answer

I disconnedted my battery and now air does not blow out of my dash vents. Worked before I did this. 2005 Yukon 5.3 liter v-8 any suggestions


In the under hood fuse block there will be a fuse labeled HVAC. Pull it out for about a minute then put it back in. Turn the key to the run psition, do not start the vehicle. You will hear the HVAC system ging through a self calibration process. After a couple minutes you will no longer hear the actuaries moving. Turn the key off and then start the vehicle. It may take a couple of tries but eventually it should recalibrate and you'll be good to go.

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

Jun 21, 2011 | 2005 GMC Yukon Xl Denali

2 Answers

I have a 2004 Yukon XL 2500. And have a flat tire.


contact the dealership where you purchased the vehicle

Nov 29, 2009 | 2005 GMC Yukon Xl Denali

2 Answers

2005 yukon xl hard to start


HOW MANY MILES? Has there ever been any major mechanical work done?

Jan 24, 2009 | 2003 GMC Yukon

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