Friday, July 6, 2012

Liftgate will Not Stay Up Open?

The power lift gate for 2007 GMC Vehicle is operating fine.The Liftgate will open with Power but will not remain open.It will come down slowly and get closed.


WHAT IS THE EXACT CAUSE OF THIS PROBLEM?

Its mostly the issue with Liftgate Strut.

If it will not stay up, the motor does not hold it up, but the struts assist on the lifting of the door and the holding up of the door. So if it will not stay open and wants to fall closed, the struts are the culprit.

TO CONFIRM THE PROBLEM,TRY THIS CONFIRMATION TEST?

Turn the power lift gate function off and manually lift it up and leave the door and see if its remaining up or coming down.If it remains up then problem is liftgate module.But if the lift gate comes down then its faulty Liftgate struts. There are 2 struts.I suggest replacing both.This are not very costly part.


HOW TO REPLACE LIFT GATE STRUTS?

Its not a difficult job to be done.If you have someone there to help you out then,You can either use 2 people to do it or one. If you use two people to do it, one person holds the liftgate up while the other person changes the struts, or you can use some kind of a holder such as a broom etc.
The rod coming from inside to the gate is for the lift motor, we are just replacing the struts on the outsides of the gate.There are two lift gate struts one on each side.You will need two struts.Buy original and branded parts for perfect fitting and correct results and long lasting performance.

See the lift gate strut replacing and location help diagram
GMC liftgate assembly parts

This details will help you.
Thanks.


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