Thread: low scratchy noise from engine at idle speed.
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Old 03-31-2014, 06:16 PM
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Stretch Stretch is offline
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Join Date: Sep 2009
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Quote:
Originally Posted by Zulfiqar View Post
... The sound I hear is a perfect rythm of 3 scratch sounds (dry bearing sound) twice every second or so.

...
So would it be fair to say 3 scratch sounds twice every second = 6 scratch sounds per second at idle.

Idle of 700 rpm is about 12 cycles per second

So 6 scratch sounds per second suggests camshaft???


How about oil pressure at idle?

Any visible camshaft problems?

Oil spray bars etc etc?
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