what is this part?

1994 TOYOTA PASEO
250,000 MILES
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ANDREWCOAKLEY
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im looking for the part that 2 hoses runn down from the throttle body, into this blue piece that has to peaks for the two hoses to connect too. the part is located on the back top of my cyl. head.
Sep 8, 2012 at 3:52 PM
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ASEMASTER6371
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is it vacuum or coolant hoses?? can you post a picture??

Roy
Sep 8, 2012 at 3:53 PM
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ANDREWCOAKLEY
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heres a pic.
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Sep 8, 2012 at 4:25 PM
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ASEMASTER6371
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its a vacuum switch. take it out and go to a parts store to match it up.

Roy
Sep 8, 2012 at 5:15 PM
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KHLOW2008
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It is a thermal vacuum switch and matching the color is important. Such switches comes in two configuration.

1. Both hoses are able to allow air to pass through when coolant temperature is low and air passage is blocked when certain operating temperature is breach.

2. Opposite of the first, cold = no air flow, hot = air flow.
Sep 8, 2012 at 6:27 PM