Want to provide update for the initial review of the Poly Bushing.
Now I'm feeling much better with the Poly Bushing on. Head rest are no longer squeaking.
Steering is still vibrating. My 10 years daughter said rear seat is still shaking a little bit. But it is kind of vibration that we could live with.
It isn't because I used to it but as I did the following to improve the engine running condition:
1) PCV clean up: Hose not clogged, but indeed lots of gunk there;
2) New spark plugs: Bosch Plantinium Plus FR7DPX. Working pretty nice for me;
3) Throttle Body clean up: I think it makes different;
4) Mass Air Flow Meter clean up: Don't think the MAF sensor need clean up;
As I said the Poly Bushing is very useful when you want to know how is the engine running.
But for daily drivnig I still prefer the comfortable feeling so ordered the OEM square bushing and going to install soon.
Thanks.
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