Need Help with 82 chevy P30 with 454

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Old 10-27-07, 09:30 PM
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Question Need Help with 82 chevy P30 with 454

Heater/AC does not work. No vacuum to control head. I just bought this vehicle and having to counter previous no so good maintenance. There is a vacuum line hanging down just front of the engine. I verified that this is the vacuum line to the AC/heater control head in the dash. It has a broken white fitting in the end. I can not find anywhere to connect this line. From what vacuum source did Chevy drive the AC/heater controls?

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Old 10-28-07, 01:36 PM
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In terms of it working it wouldn't make any difference as long it was constant vacuum. You wouldn't want to hook it into a water temp controlled line for instance.

The main reason to find the designed source would be to eliminate it as a leak if you aren't hooked to it.

I would check some of your lines for vacuum on startup, then tee into one of them.


Hope this helps,

Bob
 
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