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Air Change-Over Valve

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Thanks Tool Pants. I got the part info from another post, but the guy at the dealership knew exactly which part I wanted. Apparently this part is a frequent problem.

A couple of questions related to the replacement of this part for anyone who has done it themselves:

1. Is it possible to replace it without removing the passenger-side intake plenum?

2. If not, any caveats for taking off the plenum?

3. Does the gasket between the plenum and the cylinder head/block need to be replaced?

4. Torque specs for the bolts holding down the plenum?


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  • 2 years later...

I'm wondering the same thing as Geoff - can it be replaced without removing the intake - I have a 1997 Boxster, replaced secondary air pump already, still failing intermittently and tripping the CEL, going to try the change-over valve now. Any info on replacing this would be awesome.

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