C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Heater Control Vacuum Source

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Old Apr 17, 2017 | 07:20 PM
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Default Heater Control Vacuum Source

Tracing out my '69 headlight vacuum system and I noticed a tee between the check valve and the vacuum reservoir that does not show up on Willcox Corvette or anybody else's diagram. It is a tee with a small take off that feeds the heating system controls. After doing a lot of checking, the heating controls diagram only says to "headlight vacuum source". So I assume that this is the right location for the tee? Btw, does anybody sell that tee?
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Old Apr 18, 2017 | 07:07 AM
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Alan 71
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Hi l,
This is the third time in about a week that a question about this T has come up.
I don't think a T in the original configuration is currently available.
They appear on the bay on occasion for surprisingly high $$.
I think 1 or 2 have been offered here on the forum.
Regards,
Alan

It's location moved around as the model years went by.
Here it is for 71.

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Old Apr 18, 2017 | 10:10 AM
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Thanks Alan. That's where I put my old one back. Probably going to put hose clamps on the larger hose also as the tee is getting worn. the hoses are new. Thanks again.
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