Cm871 hammering, poor thing
10-07-2020, (Subject: Cm871 hammering, poor thing ) 
Post: #4
RE: Cm871 hammering, poor thing
Horrible knocking sound only at 1500rpm is nearly always the damper. Have a feel around the back of it on the intake side. That rear face should be flat - If it's bulging then the silicon/gel inside has gone hard.

Once you get Insite, get someone to check your ECM code is right for your engine aswell.
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 Thanks given by: Rawze , SquareOne , Waterloo , marek4792


Messages In This Thread
RE: Cm871 hammering, poor thing - Signature620 - 10-07-2020



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