2005 Audi A3 creamy white substance under oil cap

2005 AUDI A3
102,000 MILES • 4 CYL • FWD • MANUAL
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DEXI
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im about to buy this Audi a3 and i have driven the car which drives perfectly engine sweet everything to my liking apart from the creamy white substance under oil cap which is worrying me the car was a company owned driven mainly on motorways hence 102000 mls. but looked after is it what i suspect it is and could be water in engine or head gasket problem.

Thank You.

Dexi.
Apr 1, 2009 at 6:54 AM
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DOCFIXIT
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Check oil on stick if it is like a chocolate malt then headgasket fault. If clean then condensation possible PCV needs replacement.
Apr 1, 2009 at 8:16 AM