I've had this itch for a while and it just won't go away

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05-21-2007, 05:52 AM

BigEd

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I've had this itch for a while and it just won't go away

I *knew* the check valves (058 905 291) were in need of replacement (they looked deteriorated) but I thought I had some time to find a better than $23/per deal on them. Well, yesterday's pressure testing changed all that: massive leak from the check valve on top of the airbox. Quite likely, this was the cause of some faint low rpm high load knock I was hearing on normal op temps.

Damn! I should've ordered these stupid valves long ago ...

The A4 is parked at least until Wednesday.