Question about 2003 GMC Yukon

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GMC 2003 Yukon What maitence needs to be done?

Okay. I have a GMC 2003 Yukon. It runs perfectly. Never had any problems with her. And I want to keep it that way. I always get Mobil 1 synetic oil every 6000 miles. Just recently changed out the front/rear diffs and transfer case oil. Changed out my transmission fluid last week. Any other engine maitence needed?

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If you look in owners manual all maint. sched. is in it.

Posted on Mar 02, 2009

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Where is the fuse to the alarm for a 2003 gmc yukon


2003 GMC Yukon Car Security Wiring Diagram

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Whether your an expert GMC Yukon car alarm installer, GMC Yukon ... GMC Yukon, a 2003 GMC Yukon car alarm wiring diagram can save yourself a lot of time. .... Alex, double check ALL your fuses and make sure ALL your fuses are good.

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If you have an alarm installed remove the in line fuse from the alarm and see if that ...Multiple issues with my 2003 GMC Yukon XL and hope someone can offer .

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Oct 02, 2015 | 2003 GMC Yukon XL

1 Answer

Catalyst not ready on 2003 yukon


keep driving it.

it takes time once the codes are cleared for all the system checks to take place. This was done by the auto manufacturers to help eliminate the check engine light cheaters for emissions testing. Now the vehicle needs to be driven for enough drive cycles to satisfy the engines computer that everything is working properly.

Mar 07, 2015 | 2003 GMC Yukon

1 Answer

After changing the battery in my 2003 gmc yukon denali I have issues with computer not letting the truck run correctly, any help


Un plugh negative connection of battery cable at night keep it as it is for next morning and connect it start the vehicle but be sure dont switch on the Aircon for next 20 min. if your problem solve other check the fuses and if not ok contact to the dealer.

Jun 08, 2014 | 2003 GMC Yukon Denali

2 Answers

I have a 2004 Yukon XL GMC and I'm getting code


Most like solution can be found here:
http://www.justanswer.com/gmc/4ijf7-gmc-yukon-xl-denali-p0449.html

The error indicates a problem with the evaporative purge solenoid but most like is a loose/ broken wire

May 16, 2011 | 2003 GMC Yukon XL

1 Answer

Why does ny service break system light and abs warning light come on gmc yukon 2003


CHECK FUSES TO BRAKE AND ABS BRAKE SYSTEM.IF FUSE OKAY NO BLOWED BULBS. YOU HAVE A ELECTRICAL PROBLEM IN BRAKES AND ABS BRAKE UNIT.THE DEALERSHIP HAS TO FIX.

Jun 09, 2010 | 2004 GMC Yukon

2 Answers

Sunroof stuck open on 2003 gmc yukon. When you push the switch it tries to move but can't. any ideas?


Had the same problem with my 2003 Denali, dealer said they would have to replace the entire "module" for around $928, plus four hours labor. I called a sunroof repair shop and they said to hold down the "close" button for 10 seconds and it would re-set itself. It worked perfectly. Never going back to that dealer again!

Apr 01, 2010 | 2003 GMC Yukon

1 Answer

GMC 2003 Yukon


I can only say continue the maintenance but there is so much evidence now that synthetic oil is far superior, it is all some manufacturers will allow for warranty. Google "toyota sludge" or "chrysler sludge" Modern engines are built with such tight emission regs that if the oil breaks down, it will make qick work of your money.

Mar 14, 2009 | 2003 GMC Yukon

1 Answer

I have a 2004 GMC Yukon. The engine light keeps


Check for vacuum leaks, especially the intake gaskets. Does it run rough on a cold start for a few seconds and then smooth out and run fine until the next cold start?

Mar 12, 2009 | 2003 Saturn VUE

1 Answer

2003 gmc yukon wont idle


I know that this will sound Stupid. Change the Fuel Cap. If the Seal on the Gas Cap is Bad it will allow Air to get into the Fuel tank and cause your Rough Idle.

Jan 23, 2009 | 2003 GMC Yukon

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