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Tappet noise when warm@idle - help

M

Martin Hutton

New member
Joined
25 Oct 2006
Messages
9
Hi - need advice please.

I have a tappet noise when my 996(1998) is at normal operating temperature and at idle only.

The noise is not there when cold/start up or when at higher revs than idle.

Any advice/what it could be etc would be appreciated........

Mart.


Migration info. Legacy thread was 90808
 
Enough oil ?

How old oil ?

Wrong viscosity ?


Migration info. Legacy thread was 90918
 
Could be the tappets.
They are hydraulic, but do eventually wear I think.

I don't know, but I suppose if they were worn, then at low oil pressure (when warm and at tick over) they could allow a little noise.

I doubt it is anything to worry about yet.

Migration info. Legacy thread was 90919
 
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