1970-1971 Ford and Mercury - Headlight Doors

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Headlight Doors

Printed From: The Ford Torino Page
Category: Model Specific Forum
Forum Name: 1970-1971 Ford and Mercury
Forum Description: Technical discussion for 1970-1971 Ford and Mercury
URL: https://forum.grantorinosport.org/forum_posts.asp?TID=8703
Printed Date: 26-March-2026 at 6:34PM
Software Version: Web Wiz Forums 12.06 - https://www.webwizforums.com

Topic: Headlight Doors

Posted By: profaqualung
Subject: Headlight Doors
Date Posted: 04-March-2013 at 12:19PM

A problem has just reared its ugly head - 15 to 30 minutes after shutting the engine off on my 70 Cyclone, the headlight doors decide they want to be open instead of closed.

Obviously a vacuum problem somewhere.

Can anyone give me an idea of where to start looking?

Any help will be appreciated.

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Shoot low sheriff, she is riding a Shetland
1970 Cyclone GT Boss 466
Armadillo Breeders Association

Replies:

Posted By: madmaxtorino
Date Posted: 04-March-2013 at 12:23PM

check the large vacuum tank under the fender for rust holes.

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Allan
Revelation 6:8
When there is no more room in Hell, the dead will walk the Earth.

Posted By: ramair351
Date Posted: 04-March-2013 at 3:43PM

pressurize the system a little, and spray some soapy water on the vac lines.

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-Pete
1972 montego GT
1970 Torino cobra SCJ
1970 mustang mach 1
1965 Falcon futura

Posted By: Regul8r
Date Posted: 04-March-2013 at 4:14PM

If all the lines are good and sealed at connections then the dashpots and tank is not leaking, check the vacuum check valve is not leaking down.

Same as the check valve on washer lines to keep the fluid up at the squirters.

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Carl Corey (Moderator/Event Coordinator) Contact ANYTIME!
1976 Ford Elite "Lola Mae"
97 Suzuki Intruder 1400
US Army Retired