C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

EGR Temperature Switch location???

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Old May 16, 2004 | 10:11 PM
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Default EGR Temperature Switch location???

Can anyone tell me where the EGR Temperature Switch is located on my '85 vette coupe?
I purchased a new one, thinking that if I saw what it looked like, I could find the old one. I don't have a clue. The switch screws into the engine. and has a wire plug at the end. My repair manual talks about the switch, but not about where it is at. I appreciate any help y'all can come up with.
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Old May 17, 2004 | 12:14 AM
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Default Re: EGR Temperature Switch location??? (1slyder1)

Hmm well on the 86+ cars it screws into the top of the EGR tube which runs over the passenger valve cover ... but I don't think the 85s have an EGR tube.

Maybe someone with an '85 will chime in.
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Old May 17, 2004 | 02:53 AM
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Default Re: EGR Temperature Switch location??? (1slyder1)

Check your EGR Valve under the plenum. You may be suprised at what you find!
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Old May 17, 2004 | 08:58 AM
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Default Re: EGR Temperature Switch location??? (Ray Quayle)

Ray Quayle is bloody well right. It is located under the plenum actually on the bloomin EGR valve itself. Cheerio chap!! :seeya
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Old May 17, 2004 | 12:36 PM
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Default Re: EGR Temperature Switch location??? (Ray Quayle)

Do I have to remove the plenum to replace the temp switch?
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Old May 17, 2004 | 01:45 PM
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Default Re: EGR Temperature Switch location??? (1slyder1)

Yes you do, bro'. You'll find taking the plenum off gets real easy after a while, so don't be intimidated. :seeya
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