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73-87 Chevy _ GMC Trucks => 73-87 Chevy & GMC Trucks => Topic started by: pneuner750 on July 08, 2015, 02:22:46 pm

Title: Kick panel right w/ vacuum door
Post by: pneuner750 on July 08, 2015, 02:22:46 pm

What exactly does the door do?  Is it safe to remove?  1986 chevy c20 4 speed manual

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Title: Re: Kick panel right w/ vacuum door
Post by: Irish_Alley on July 08, 2015, 02:45:28 pm

its a vent, without it you will have constant air coming in from the cowl area. not bad in the summer without ac but in the winter you will freeze. do they work anymore? many times its a cracked vacuum line that stops them from working. easy fix vs easy removal

Title: Re: Kick panel right w/ vacuum door
Post by: blazer74 on July 08, 2015, 05:05:29 pm

Vac controlled open when a/c is in max mode. Otherwise it's closed. If you remove it you will have an open hole leading to the blower and cowl area.


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Title: Re: Kick panel right w/ vacuum door
Post by: FlatBlack77 on July 08, 2015, 10:26:56 pm

both my trucks have it as they are AC trucks. but neither have the AC systems anymore so i drilled a hole in the door and put a little wire on it so i can hook it open in the summer. really helps keep air flowing on hot days

Title: Re: Kick panel right w/ vacuum door
Post by: pneuner750 on July 09, 2015, 03:22:24 pm

Thanks for the advice!

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Title: Re: Kick panel right w/ vacuum door
Post by: Hillbillydrums on July 09, 2015, 04:11:21 pm

My 75 has the same thin . But it doesn't work either. Close to the vent, there is a vacuum line going into the vent. But about a foot before it there is a T with another line that got disconnected. Where does this go?