Question about 2007 GMC Yukon

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My 2007 Yukon (not a Denali) rear cargo door will open with key fob or by hand but only raises several inches to a foot before it closes again on it's own. Also, it will not automatically raise when it meets resistance. Any clue what might be causing the problem??

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Take off the plastics on the back,both sides,look for the electrical motors that make the door to open and close,check fiscical part that may be warn.

Posted on Sep 23, 2010

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LIFTGATE MOTOR WENT OUT. HOW CAN I OPEN THE DOOR MANUALLY?


chevy tahoe lift gate not opening - YouTube

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Sep 1, 2010 - Uploaded by 76bluemoon Back lift gate/glass would not open or release. ... Wow, are you sure? .... known issue with tahoe, suburbans, hummers and othergmc vehicles. ... 2007-2012 Yukon Denali Rear Door Lock Actuator Replacement ... 2004 GMC Yukon XL rear liftgateremoval - Duration: 50:17. by Velvethamma 5,814 views.

Aug 08, 2015 | 2007 GMC Yukon XL Denali

1 Answer

Rear door will open partially and then shuts itself again


Sounds like a sensor is not working properly. Check to see if there are any obstructions in the way or excessive dirt around the latch or contacts

Jul 20, 2014 | 2007 GMC Yukon XL Denali

1 Answer

2009 yukon denali chime door start to lock and unlock every time i hit a bump, lift gate open light come on


Might need to adjust rear door latch, or could be bad relay or switch. Try pulling/pushing on rear door while closed to see if you can set this off while sitting still.

Feb 17, 2014 | 2007 GMC Yukon XL Denali

1 Answer

2007 Yukon Denali XL lift glass is opening when I use the fob to open the rear hatch. This causes me to be unable to then close the rear hatch via the fob


This sounds like you have a grounding problem with your hatch circuits. This type of malfunction usually occurs when two systems (the hatch lift and the Lift glass release) are supposed to be sharing the same ground, but one of the systems has a bad connector or a broken wire. It then "activates" the other system by grounding THROUGH the system that it is supposed to be sharing ground with.

What I would do in your case is to take a HARD look at the wires that are in the conduit that runs between the lift gate and the body. These wires flex every time the lift gate is opened and closed, and are prone to breakage.

The way you describe it, it sounds like the lift gate motor is losing contact at about 1/3 to 1/2 of the way up, and that is when it grabs ground through the glass release solenoid.

Jun 13, 2012 | 2007 GMC Yukon XL Denali

1 Answer

When i use the key fob to lock the doors the back glass dont lock, ???????


This solution applies to models:
2002-2007 Chevrolet Trailblazer, Trailblazer EXT and Trailblazer SS
2004-2007 Buick Rainier
2002-2007 GMC Envoy, Envoy XL, and Envoy Denali
2002-2004 Oldsmobile Bravada
2005-2007 Saab 9-7x

Condition/Concern:
Rear liftgate glass will not lock when using the key fob or door switch unless the lock button is pressed a second time. All other doors will lock normally. This could be the result of the liftgate glass lock rod not adjusted correctly. This lock rod travels from the liftgate lock actuator to the glass release push-button cylinder.

Recommendation/Instructions:
Remove the inside rear liftgate trim panel. Disconnect the threaded lock rod clip at the end of the push-button glass release and rotate this clip 1 complete turn at a time making the lock rod longer. This will be the only threaded lock rod visible when the trim panel is removed and the liftgate is raised.
Note: For the rear glass to release, the rear liftgate latch must be in the closed position. For test purposes only, this latch can be made closed to make this lock rod adjustment.

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.

Apr 25, 2010 | 2006 Chevrolet Trailblazer

1 Answer

2007 gmc yukon denali wont unlock w/ keyfob


Check the buttons.. I have an 06 Grand Prix with the Remote starter on the top and it seems that the conductor on the buttons worn out.. Take the keyfob apart, pull the rubber buttons off the chip, lick your finger and touch the place where the unlock (right side of the fob) would be. That should unlock your doors. I just did it with mine. I would just buy another fob on ebay and change the buttons out.. Hope this works

Apr 23, 2010 | 2007 GMC Yukon Denali

1 Answer

2006 GMC Yukon Denali XL Rear Hatch & Glass locks not working


Could be the latch mechanism for the door is sticking. You could try using some white grease on the latch and the contact where the latch hooks to. You can purchase the grease from most auto parts stores. You will not need to use alot. Just apply a small amount to the mechanisim and then work it in using the manual handle. Then open and close the door several times to feel the "action". Then apply a little more and repeat. This should loosen the latch and get it working again. Also make sure that none of the tension springs have come loose on the latch. And check the seal around the door and make sure it is not pinched and has a proper fit.

Dec 29, 2009 | 2006 GMC Yukon Xl Denali

1 Answer

How come on a 2002 GMC Denali if you lock your key inside


i would say the theft module saw the door trying to be open without the door lock or fob first, once the door lock button was pushed it shut down, it new doors were trying to be unlocked in a theft manner, once shut down it needs time to reset or needs to see ignition cycle with key and read chip in key, smart system isnt it, good luck.

Oct 21, 2009 | 2002 GMC Yukon Denali

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