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Topic: Wiper Door

in Forum: C3 Body

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Wiper Door

Posted: 10/26/08 5:08pm Message 1 of 3
66impalapd
Former Member
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Joined: 7/30/2004
Posts: 1
Vette(s): Blue 1971
Until this year my wiper door opened when wipers were turned on. 
Wipers will work when the door is manually opened.  Any ideas on what vacuum parts to check



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Wiper Door

Posted: 10/27/08 10:14am Message 2 of 3
VetteSpecialties
Former Member
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Mounds View, MN - USA
Joined: 5/24/2007
Posts: 1031
Vette(s): 70 LT1 coupe, 69 350 HP coupe, 69 390HP 427 coupe, 71 LS5 convert, 85 coupe, 93 coupe
When you turn on the wipers, an electric signal is sent to a solenoid valve behind the tach.  That sends vacuum to the actuator.  If by manual, you mean using the override valve under the steering column, then it has to be the solenoid or the hoses to it.  If you mean actually lifting the door, then the whole system is suspect, including the relay and actuator.  Each component can be tested individually.

Good luck
Larry



Wiper Door

Posted: 10/28/08 7:55pm Message 3 of 3
acplus
Former Member
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Canada
Joined: 6/23/2008
Posts: 558
Vette(s): 1972, 1980
I had the same problem, check to see if you have vacumn at the wiper door actuator, we can go from there.
John



in Forum: C3 Body


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