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Where To begin Door Lock Vacume Question

731 Views 3 Replies 4 Participants Last post by  ElRojo
All locks on the car have always worked nicely but awhile ago I noticed they started to become sluggish and then for awhile they'd all work (sluggishly) with the exception of the back passengers door which I would I have to walk around the car and lock manually. Is this perhaps a tip off or could it serve as a reference for a starting point for repair? None of the power locks work now and well you know not too good for dating!

Any help, tips, ideas or suggestions appreciated.

1989 300 SE
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Also check the trunk lock actuator. I might even suggest to look at it first, as you won't need to remove a door card to get at it. You can manipulate the lock mechanism this way, and if all the doors lock via the trunk actuator, then you know it's the trunk actuator that's not doing well.
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