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tapping sound on startup 93 90q

In message <> Griff writes:

> IMHO, this is normal. Don't sweat the little details. I believe it is 
> because the oil has drained back to the pan, and the hydraulic lifters need 
> to fill up upon startup. My '92 100S does pretty much just what you are 
> describing... and it has not been a problem for 118k miles!!

Certainly the turbo cars should have filters with anti-drainback valves in them.

IMO they should be fitted to all hydraulic lifter cars as well.

 Phil Payne
 Committee Member, UK Audi [ur-]quattro Owners Club
 (Anyone got a use for a 19mm Allen driver?)