TwinTurbo.NET: Nissan 300ZX forum - Just replaced oil pump/t-belt/tensioner now i have a knock
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Subject Just replaced oil pump/t-belt/tensioner now i have a knock
     
Posted by penguintits on February 01, 2010 at 1:15 AM
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Message So i noticed my oil pressure dropping more and more till it wouldnt get pass 20 psi so i decided to rip the motor out and replace the oil pump and why not do the timing belt and tensioner as well? I finally got everything done and re-installed back in my z and know i have a very loud knock.
Its coming from the oil pan and is a rod knock not a lifter tick.

My question is, because it didn't have the knock before i did this service, is the reason because i improperly installed the timing belt tensioner, or do i have to replace all the rod bearings and might as well rebuild the engine?

Oh and i unplugged one coil at a time to see if it was at only one cylinder, but doing that didnt change much.

     
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