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Can you identify this engine noise ?
#1

Your help needed ! .....

Can you identify this engine noise ...seems like a constant tapping / nock (tappets are set to correct tolerance) ...varying with speed of engine .... its extremely noisy ....many thanks



https://youtu.be/JFXllpATMdE
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#2
Does it seem to be worse in the area your filming? whilst I agree it sounds tappet it may be the bearings on the A/C pulleys. Try disconnecting the A/C belt to see if it goes away
Chris
Membership Secretary DOC UK
2018's DeLorean event: http://deloreans.co.uk/forum/showthread.php?tid=5715
VIN#15768 Ex VIN#4584 1972 Bond Bug.
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#3
Yes and if its not that, you could take the fan belt off as well, could be water pump..or alternator packing up (obviously don't run it for more than a minute like that)
Chris Parnham in Derby  chrisparnham@live.co.uk  07502 143 433
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