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4wd light on and off.


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YUP, its likely vacuum!!

I would start with the lines, they are and get brittle with time.Then remove and clean the vacuum acuater on the front axle. Then if that dosen't fix it, change out the unit on the X-case. Then, one or two swift kicks in the right rear tar, open the wallet, get the esentials catalogue, and order a posi-lok!! :shock: :D :D

 

I had simular problems, I did what everyone suggested and got it to work prety good. I did not find the problem till I tore into the acuater itself. It wasnt repairable. the Orings where shot for too long and eroded or allowed the bore to erode to the point where it couldn't hold vacuum between the "O" rings. It would slowly pull the collar out of 4WD but not allow enough of a seal to trigger the vacuum switch telling the driver it was out of 4WD.

 

Problems GONE now!!!

 

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Good luck,

CW

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Or you can just take the CAD cover off, slide the collor over to the "lock" position, and then re-install the cover upside-down. Haven't tried it yet myself, but it's gotta be the easiest fix out there. :D

Jeep on!

--Pete

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I READ on one of the forums I visit abou just flipping the VD housing cover over, and it locking the 2 shafts together. I have also read of ppl using washers, and the what not. Do some research before you shell out $100 for something you can do for almost nothing.

 

 

 

Patrick

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