Quote:
Originally Posted by sixto
I isolate systems to identify those that work and those that don't. In your case there's engine shut-off, ACC and central locking. IIRC those systems are fed from the check valve area of the brake booster vacuum line. Work your way south from there.
Sixto 87 300D
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okay, this is a good place to ask questions: when you say "isolate" what exactly do you mean?
it's the central locking that's having the problems. my vacuum adjust headlights are working perfectly as is my ACC (it is the manual kind if that matters). the headlights have their own check valve but are connected to the same 4 way vacuum line near the firewall as the locking system. there also appears to be a single gray vacuum line going through the firewall that i have no idea what it goes to.
if i wanted to "isolate" the rear passenger door to see if that's where the leak was, what would i do? take all the door panels off and block off all the other door diaphragms? unhook the lines to the diaphragm and hook up the might vac to it? what would i be looking for, a number?
would i then use this technique for all the other doors, plus the trunk, plus the gas flap? what about the vac tank?
thanks!!!