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Jeep tj OPDA
Oil pump drive assembly
September 9, 2017
2:13 pm
Gilbert & Betty
El Dorado Hills

Club Member
Forum Posts: 1236
Member Since:
February 26, 2014
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I am getting a knocking from my OPDA (oil pump drive assembly) l took the cover off and doesn’t seem to have excessive play.  I have no squealing coming from it .  I’ve listened to the cam and lifters with a scope and the noise is from the OPDA.  Any thoughts should I replace the unit?  

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