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V6 engine quake - idea?

Posted: 17 Jul 2011, 15:04
by arnoldf
Hi All!

My 3.0V6 engine doing small quake at around idle speed. (Idle speed is looks like stable...)
Sparks replaced, no error readed via OBD.

Around camshaft belt every parts replaced, and checked.

Anybody has idea? Or anybody knows a typical problem which cause quake?

My last idea only the ingnition coils. But hard to check which one is defected. :(

Thanks in advance, and sorry for the english post.

Re: V6 engine quake - idea?

Posted: 17 Jul 2011, 15:06
by arnoldf
ps: run: 101.000km

Re: V6 engine quake - idea?

Posted: 17 Jul 2011, 16:33
by fischluzy
Moin moin

.... the transmission belt !!!??

Greetings Ole

Re: V6 engine quake - idea?

Posted: 17 Jul 2011, 17:25
by arnoldf
Checked, okay!

(Removed and engine started, no change. What mean the source of the problem is not alternator, servo, klima etc etc,)

Re: V6 engine quake - idea?

Posted: 17 Jul 2011, 18:58
by GWB
I've sent you a PN.
Best,
GWB