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Old 09-14-2003, 04:05 PM
moparmike's Avatar
You will rue this day...
Join Date: May 2003
Location: NW Arkansas
Posts: 732
1 door doesnt always lock...

My rear driver-side door locks about 90% of the time on the first try. If it doesnt, I usually open it and then manually lock it.

What possible reasons might this be caused by, and how might I fix it?
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Old 09-14-2003, 04:30 PM
sixto's Avatar
smoke gets in your eyes
Join Date: Jun 2000
Location: SF Bay Area
Posts: 20,124
My guess - the lock actuator is starting to leak. You can fix it or replace it. The balance around here tips in favor of replacing it since the cost of a new one amortizes to nothing over a 20 year life. The cost of a new diaphragm amortizes to even less but you risk damaging the housing whenever you touch it and there aren't good stats on the life of a replacement diaphragm.

Dig in there with a Mighty-vac and check the hoses, fittings, etc. before buying parts.

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91 300SE
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