All Things Mk5 > How to Guides / Troubleshooting

Bad oil leak

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pudding:
Yeah, the cam cover bolts only need 7lbft.

I think the mindset of a lot of people with anything that could potentially leak is to over-tighten.

brian_badonde:
When I changed my chain/tensioner my cam cover gasket was so brittle it split into separate pieces. They do harden badly over time/heat cycles and mine was definitely leaking at 110,000 miles, although not as bad as yours.

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blingsta:
mine was in for MOT last week and we spotted a leak from bottom corner of what looked like the sump, so i gave it to my local mechanic and asked him to investigate..    it was actually from the crank seal  :scared:
so all parts ordered - new belt, tensioners, seal, waterpump etc at a cost of £180..   and £180 for labour, also changed my cam follower whist he was at it  :jumpmove:....    oh and £60 labour for DSG service...  car now feels even better to drive than before  :grin:

pudding:
A leak at that end usually is a crank seal.  Ditto if it's the gearbox end.   The sump on these engines never leak from the factory.  The only time they do is when someone's done a pick up pipe job and splattered silicon everywhere like cake frosting, but not on the surfaces that matter  :grin:

Thankfully the front crank seal is an easy and cheap job.  Not so the rear one though!  Gearbox off job.  You won't be surprised to learn VW updated both seals at some point in the production cycle.  My rear seal was leaking when I last did the clutch. It had the early plastic housing, so switched it out for the newer metal one.

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