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  1. #1
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    hole in oil cap. ?? (2.5 tdi)

    i have a a6 tdi 2.5 tdiv6 quattro (180) got the car at auction have had her for 6 mounths now and no problems . but the last owner has drilled a hole in the oil cap for some reason . any one know why ? she runs fine dosent use any oil/warter.any iders ???

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  3. #2
    fjtwelve's Avatar
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    The first sign of the crankcase breather being blocked is a "POP" of air pressure when you unscrew the filler cap. Maybe the previous owner decided to drill the cap instead of replacing the filter. There are posts elsewhere on how to do replace the filter. Suggest you replace the cap with a complete one asap.
    2001 A6 Avant 2.5TDi quattro Sport 180hp+TurboDynamics MD438 hybrid+Bosio Race683s+3" exhaust+Celtic Tuning remap - now with adamss24 replaced with runabout
    2007 BMW 535d AM Sport + Celtic remap
    2004 A4 Avant 1.9TDi quattro Sport 130hp + Superchip - sold & replaced by
    2005 Audi TT 1.8T
    1988 Yamaha FJ1200 120hp finally traded after 23 years for
    1986 Yamaha FJ100 (1300 barrels shhh!) with too many bits to mention
    2011 BMW 320d M Sport son #1
    2004 Suzuki SV650 S son #2

  4. #3
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    will it harm the car with the hole in the cap ?

 

 

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