Question about GMC Yukon Denali

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I have a 2003 yukon xl denali bad mileage

Only getting 11 miles a gallon hwy 134,500 miles on suv

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  • 2,101 Answers

Has it had a tune up,and check the air filter

Posted on Dec 04, 2012

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Posted on Jan 02, 2017

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SOURCE: location of fuse box/panel for 2004 yukon denali xl

There are 2 fuse panels in the Denali.
One is a panel on the drivers side, its on the dash but facing the door.

The ohter is under the dash and above the pedals, this one is much tougher to access.

Your Owner's Manual should tell you where the fuses are that you need to access.

Posted on Oct 20, 2008

  • 566 Answers

SOURCE: 03 Yukon denali park brake warning wont turn off

hi for info the brakes warning light on dash is also an indication that brake fluid level is low? or there may be a leak resulting in fluid level drop ? also considering age of car you may need to inspect brake pads wear ? if your car has low brake pads wear indicators attached to pads ? or the hand brake switch req's checking to ensure it is being pushed to off position when h/brak is down ? so fluid level low is the obviouse 1st check as fluid will displace from reservoir as pads wear low hence the level indicator on fill cap trips on may i suggest if it is low level b4 you top up? check your b/pads if you have not done so recently? or replaced since new ? hope this helps you locate problem best wishes from the uk

Posted on Jan 03, 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

  • 651 Answers

SOURCE: When should you change the timing belt and water

every 100,000 miles

Posted on Jul 01, 2009

  • 176 Answers

SOURCE: 2004 Yukon XL Denali fuel gauge fluctuations

Your sending unit for the guage is part of your fuel pump in the tank. But first try your fuel pump relay, may be working intermittenly when you hit a bump or something. Or possibly a loose wire somewhere along the way. Much less expensive (worth a look).

Posted on Dec 18, 2009

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2009 gmc yukon denali heat on drivers side whole air conditioning is on and air conditioning on passenger side


Vehicle AC engages and blows but no cold air [Archive] - Straight ...

boards.straightdope.com > ... > Main > General Questions
14 posts - ‎12 authors 07-12-2009, 11:14 PM. The AC in my 2003 GMC Denali SUV appears to be on the fritz. When I use the controls to turn on the AC it blows as usual but a I get no ...

Aug 30, 2015 | GMC Cars & Trucks

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We have a 2003 yukon denali xl. we have a signal saying battery not charging. we replaced battery and alternator. still won't charge. truck goes completely dead. no lights, radio anything. what el


I'll try to help, everytime something gets replaced on these yukons, that circuit needs to be RESET ! Is there a reset button, on your steering wheel, to reset a variety of functions ? , check owners manual, or call your dealer for better advise

Feb 15, 2013 | 2007 GMC Yukon XL Denali

1 Answer

The front and rear differentials on my 2007 Yukon Denali (72,000+ miles) have synthetic lube. My dealer recommends that the lubes be changed at about $100 each. The maintenance schedule in the owner's...


not unless you travel in extremely dusty/sandy roads. Most ppl dont change their fluids for the life of their suvs. If you drove thru deep water often i would also change it but the front and rears are sealed and synthetic fluids is man made and takes an extremely long time to break down.

Feb 08, 2011 | 2007 GMC Yukon XL Denali

1 Answer

Were can I buy a fuel pump for 2003 yukon xl denali


Hi, you can get the fuel pump to you 2003 Yukon XL Denali from Auto Parts Warehose for $166.16 with free shipping within the U.S.A. Contact them on 1-877-809-1467...

Oct 03, 2010 | 2006 GMC Yukon Xl Denali

1 Answer

2000 yukon denali will not start


I had problems with my remote button, with battery fully charged turn on key for ten second, turn key off un-hook positve side of battery, re conect turn key to on postion then try to start, it worked for me I have a 2003 denali yukon XL, the motor would fire then stop.

Jul 29, 2009 | 2000 GMC Yukon Denali

1 Answer

2003 gmc yukon denali xl


Sounds like the fuel pump relay is bad.

May 21, 2009 | 2003 GMC Yukon Denali

1 Answer

2003 Yukon XL Front passenger side door: Electric


yes it does sound like that is your problem. try checking for used one.

Mar 11, 2009 | 2003 GMC Yukon Denali

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