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Old 01-01-2025, 04:37 AM   #7
Starter986
1998 Boxster Silver/Red
 
Join Date: Sep 2017
Location: 92262
Posts: 3,064
Quote:
Originally Posted by Trudant View Post
So here is another update:
- changed our transmission mounts
- changed engine mount
- changed the front ball joints and supports
- full alignment completed

Realized that maybe the vibration was actually coming from the back.
- changed out both left and right axels (CV)

The sound seems to be a bit less but unchanged.


So now I’m going to start looking at the power steering pump.



The craziest thing is that there is no vibration if I turn off the car and glide at any speed and go straight or steer.


So the vibration is for sure from the engine in some way.

I now think it is either the power steering pump or steering but no way to easily verify….

Do I just replace it to find out?!


Erik
The "craziest" thing is that you just keep throwing money at it... in an effort to "find out".

Or, in the wise alternative, you could pay a pro to diagnose it. With all the parts you've thrown on it I suspect it wouldn't take long for a pro to arrive at a diagnosis.

You do have a car set up for the next 50,000 miles, though.

Good luck?
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