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Heavy vibration

2K views 2 replies 2 participants last post by  PNWsaabNut 
#1 ·
Odd ball issue, I moved my GS motor and trans poly mounts over from the 01 t7 9-3 to the 99 t5 9-3 both automatic, now I have a consistent very heavy vibration in the cabin. Now I was used to this with the t7 at idle but on the t5 it is constant and gets stronger when revving or accelerating. I am confused any ideas as I dont believe it is the mounts but am boggled as to what it could be. I am about to pull the lower timing cover to see if PO removed the balance chain or shaft.
 
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