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Author Topic: Help with funny knocking noise from 2.6 v6  (Read 905 times)

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mantaray

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Help with funny knocking noise from 2.6 v6
« on: 30 November 2016, 20:34:39 »
As most will know i have been flushing the cooling system on my 2.6 after an oil cooler change.

All has been good untill this afternoon, when warming the engine up a funny knocking noise started on tickover. It comes and goes and sounds like it is comeing from the back of the d/s bank.

Could it be the coil spark shorting out to the head? as the rubber sleives between the coils and spark plugs have seen better days.

Advice please.

The noise starts around the 6 sec mark on the vidio below.

http://www.crclassics.co.uk/pics/omega/My Movie.mp4
« Last Edit: 30 November 2016, 20:39:04 by mantaray »
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2.6 CDX Auto Estate,
71 Opel Manta A Series 2.5 V6

Nick W

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Re: Help with funny knocking noise from 2.6 v6
« Reply #1 on: 30 November 2016, 20:55:01 »
Does it eventually stop, or diminish when the engine is revved? Because that would point the finger at a cam follower
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