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lucittm lucittm is offline
Manassas, VA
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Join Date: Apr 2007
Posts: 1,211
Blown Wastegate Diaphram

Fellow Turbo Wrenchers,
I opened my stock 964 turbo wastegate and found what is depicted in the picture below. Possibly an improper installation?

I think the diaphram is trashed because when I pull it back into shape, I can see light through the creasing.

No wonder my boost never seemed to taper off...

I cannot find a P/N for the diaphram. Anyone know what it is? Better yet, does anyone have one that I can buy? If you have an aftermarket WG (TiAL) maybe you could donate your old diaphram to a good cause...

1991 964 Polar Silver Metallic Turbo Coupe
Old 08-21-2008, 01:27 PM
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