Technical Tips > Pre 84
Wiper Doors
Cameron 77C3:
Here is the llink to what MADLT1 speaks of:-
Click This Pic
69VETTE:
--- Quote ---Originally posted by RHD.68.l89
A common fault is the door opening under wide open throttle as the vacuum signal disappears but there is still vacuum in the tank to operate the door. Not related to your fault but common anyway.
Congrats on the purchase!
--- End quote ---
Yes, i remember i had this problem with my C3 because the vacumme hoses on the light switch on the console were incorrectly placed... you could also hear a suction sound when ever you turned your lights on..
Im sure its a common simple error....
Oh... Thanks Chromie for helping us out with the explaining ;42
M;36
77CVT:
--- Quote ---Originally posted by RHD.68.l89
Does the door try to close immediately you switch to high? Could be the vacuum solenoid is losing it's electrical signal when you switch to high and the safety interlock (as mentioned earlier) is faulty.
A common fault is the door opening under wide open throttle as the vacuum signal disappears but there is still vacuum in the tank to operate the door. Not related to your fault but common anyway.
Congrats on the purchase!
--- End quote ---
Not sure yet. It may be a while before I hit WOT! ;-)
cosmicvette:
Replacing all the vacuum hoses is a good place to start (I am sure they are all overdue for replacement) and follow the troubleshooting guide mentioned.
I got a vacuum hose kit from: http://www.docrebuild.com/
It was a perfect copy of the original (even had correct colours on the hoses and were shaped correctly)
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