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What is this part?

Tiny
ANDREWCOAKLEY
  • MEMBER
  • 1994 TOYOTA PASEO
  • 250,000 MILES
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.
Saturday, September 8th, 2012 AT 3:52 PM

4 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Is it vacuum or coolant hoses? Can you post a picture?

Roy
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Saturday, September 8th, 2012 AT 3:53 PM
Tiny
ANDREWCOAKLEY
  • MEMBER
  • 14 POSTS
Heres a pic.
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Saturday, September 8th, 2012 AT 4:25 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Its a vacuum switch. Take it out and go to a parts store to match it up.

Roy
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Saturday, September 8th, 2012 AT 5:15 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
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.
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Saturday, September 8th, 2012 AT 6:27 PM

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