The 1947 - Present Chevrolet & GMC Truck Message Board Network







Register or Log In To remove these advertisements.

Go Back   The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board

Web 67-72chevytrucks.com


 
 
Thread Tools Display Modes
Prev Previous Post   Next Post Next
Old 05-24-2008, 04:51 PM   #1
Custom 68
Registered User
 
Custom 68's Avatar
 
Join Date: Nov 2001
Location: Springfield, MO
Posts: 2,939
vacuum actuated heater shutoff help

well ok I hope that title makes sense. Anyway I have got my AC running but have seen a valve that shuts off the hot water to the heater core that uses vacuum to operate.
does anybody have a part number I know they had them on several vehicles?
And how does it work is it just kindof on or off working off the AC switch or does it regulate based off the hot to cold lever? I have my inside to outside vaccum doors working but never had one of these on my original AC truck.
Any help or thoughts if I need one or not would be great.

Thanks
Dave
__________________
Dave
1968 Custom Chevy with turbo charged 5.3 gen III 4l80e swap
1967-71 GMC 3/4 ton long step 4x4 (not sure what year exactly?)
"A good friend will bail you out of jail...but a true friend will be sitting next to you saying "that was frekin awesome".
"If it doesn't fit force it...If it breaks then it needed to be replaced anyway!"
Custom 68 is offline   Reply With Quote
 

Bookmarks


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 02:50 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright 1997-2022 67-72chevytrucks.com