300 TDi engine noise..

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300 TDi engine noise..

Postby cutdweller » Wed 19 Aug 2009 7:08 am

Yesterday my 300 tdi DC started to make a tapping sound from the engine, on further investigation is sounds to be coming from the top somewhere. Its loud in the cab and you can also hear it in the exhaust.

A mate of mine said it could be the shim under the rocker and on top of the valve that has worn or come away.

I have a slight loss of power, but it starts fine cold or hot. Fuel consumption is up and it does not run as smooth as it did( for a diesel!!).

Any ideas boys??
Rsw allcomms owner here, happy to help!
04 TD6 vogue
91 300TDI 110 Double Cab old reliable !

98 300Tdi Commercial Disco(Sold)
95 3.9V8i Lpg Disco(sold)
88 300TDI AUTO 110 HICAP (Sold)
94 RR Classic 4.2 LSE (Broken)
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Postby mick » Wed 19 Aug 2009 10:42 am

As your mate says,take the rocker cover off and check your tappet adjustment and valve stem caps,but also bear in mind that a knackered inlet/outlet manifold gasket can make this noise(and many other wierd noises) .....
Best o luck,Mick.
Just goin down the garage darlin',won't be long......
Tek it ta bits man.
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Postby cutdweller » Thu 20 Aug 2009 5:53 pm

Broken valve stem cap, changed now. Problem sorted.

Thanks
Rsw allcomms owner here, happy to help!
04 TD6 vogue
91 300TDI 110 Double Cab old reliable !

98 300Tdi Commercial Disco(Sold)
95 3.9V8i Lpg Disco(sold)
88 300TDI AUTO 110 HICAP (Sold)
94 RR Classic 4.2 LSE (Broken)
VW Transporter Motorhome(For Sale)
cutdweller
Spanner man
 
Posts: 109
Joined: Fri 02 Mar 2007 10:27 pm
Location: Lancashire


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