Quote:
Originally Posted by tyl604
I do not know the 124 but if it is like the 126, you will find a junction box under the carpet in front of the passenger front seat. There the hard plastic tubing goes to all the doors, trunk, and gas door. Hook up the mityvac there and trace your leak. Chances are that the actuator in the rear door is bad. New ones are not expensive and it is an easy replacement. Just be careful removing the door card and do not break off the plastic keepers; lift it up and then out to remove.
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Thanks for your reply.
On the W124, only AC air distribution and electrical harnesses are found under the front passenger carpet. I think I will have to take out the passenger seat or maybe both.
Which mityvac part number would work for checking vacuum lines? The only ones I've seen are for fluid pickup.