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Join Date: Jul 2006
Location: Maple Ridge, BC
Posts: 484
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Connector Help
Attached I have a vac hose diagram.
Bottom left corner there is a round thing with two hoses. The #4 arrows are pointing to it. I looked it up. Thermo Valve. On the back side there is a connector. IT GOES IN BOTH WAYS?? There is a logo on one side of the plug. This is above the center cylinder on drivers side of car. What is this thing? and Which way does the plug go? Thanks in advance. 
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JOHN 79 EURO SC "24 Years Later - The Dream Came True" Last edited by Johnb911; 04-11-2009 at 04:52 PM.. |
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04-11-2009, 04:46 PM
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bump bump
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JOHN 79 EURO SC "24 Years Later - The Dream Came True" |
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04-11-2009, 09:21 PM
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Location: Uranus
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You're right. Thermovalve.
Basically it has a bimetal element inside which literally pops open and allows vacuum to pass to the warm up regulator when it gets hot enough - dependent on temperature of course. It's purpose is to keep things rich for a little while during startup and it remains open as long as there is 12VDC at the connector. I cannot remember exactly, but I don't think it should matter which way the connector plugs in.
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Jess 1980 911SC Euro 1993 Audi CSQ |
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04-11-2009, 09:35 PM
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jess is correct. it makes it run rich for cold start ups. very much needed up where you are.
i dont think the plug matters, it is not keyed. the port on the TB that it is connected to looks to be in question unless it is different for yours than mine.
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86 930 94kmiles [_  _] RUNNING:[__] NOT RUNNING: ____77 911S widebody: SOLD88 BMW 325is 200K+ SOLD 03 BMW 330CI 220K:: [_ _] RUNNING: [__] NOT RUNNING:01 suburban 330K:: [_ _] RUNNING: [__] NOT RUNNING:RACE CAR:: sold |
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04-13-2009, 05:46 AM
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