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Username Post: brass vacuum valve        (Topic#362943)
BillM89 
Newbie
Posts: 10

Reg: 01-22-20
10-17-20 10:03 AM - Post#2805650    

Hello, My car is a 65 SS 327/PG with factory air. I have just finished cleaning and rebuilding the heater box. The final piece I need to figure out is the brass vacuum switch that mounts on the top of the heater box and runs up to the STV on the evaporator box. My brass valve was completely frozen up, finally got it freed up by soaking with WD40. I have an idea that the internal orifices could be plugged up. Does anyone know how to test these with a vacuum pump? Has anyone found a source for rebuilding or replacement? I obtained a plastic replacement made by Old Air, but I believe it's for a Corvette application, and will not mount correctly at all. Any ideas or solutions would be greatly appreciated. Its holding me up on getting the box reinstalled so I can hopefully move on to other areas. Thanks!



 


Motown_mtrhd 
Poster
Posts: 81
Motown_mtrhd
Age: 67
Loc: Grand Blanc Mich
Reg: 12-22-15
10-19-20 07:01 AM - Post#2805755    
    In response to BillM89

Bill, there are exact replacements available but they are expensive, like 80.00 try classic industries or Ecklers. I just eliminated mine to prevent vacuum leaks to the engine, all it does is actuate the STV.

Steve, 65 SS numbers 396,TH400 A/C Lots of power options. 1970 Chevelle, LS-LQ9 Tremec 5 spd,nuthin stock left. Drop Top . 34 Chevy 350 TPI,38 Chevy coupe.


 


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