Random vibration from front passengerís side [stock STi suspension]
+ Reply to Thread
Results 1 to 2 of 2

This is a discussion on Random vibration from front passengerís side [stock STi suspension] within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; 2008 STi, stock suspension, 40k miles. This has happened to me about 8 times in the last 500 miles. It ...

  1. #1
    Registered User
    Join Date
    Dec 2013
    Posts
    1

    Random vibration from front passengerís side [stock STi suspension]

    2008 STi, stock suspension, 40k miles. This has happened to me about 8 times in the last 500 miles. It is intermittent, not something I can reproduce at will.

    While driving at highway speed, a vibration will start in the front passenger side of the car. It is a significant vibration; it almost feels like the wheel has come loose.

    Each time this happens I stop the car and check the wheels, tires, air pressure, lugnuts, and everything is snug. The weird thing is, when I start driving again, the vibration is GONE.

    Somehow bringing the car to a complete stop, then starting again makes the problem go away.

    Other than this problem randomly appearing, the suspension seems fine.

    The dealer had the car on the lift, checked the suspension, and couldnít find anything. They suggested that the next time it happens, to stop the car and see if a particular wheel is hot (indicating a caliper binding). No dice, all the wheels were nice and cool the last time it happened.


    Any idea what this could be?

    The car is actually at the shop right now waiting for a new long block, so I could have them take another look.


    Thanks!

  2. Remove Advertisements
    ClubWRX.net
    Advertisements
     

  3. #2
    Registered User wreckingball man's Avatar
    Join Date
    Jul 2012
    Location
    Rocky Top
    Posts
    2,324
    Tire balance
    Alignment
    Axle
    Brakes
    My last guess, assuming you've covered the above: Differentials or the Viscous Coupling

    Alignment: take it to a shop, convince them to check it for free.

    tire balancing: steering wheel will shake, especially at hwy speed, shop can check it but will likely charge for this.

    Axle: check for play, look for a ripped boot or turquiose grease in the area.

    Diffs: Drive tight figure eights in a parking lot and listen for grinding/shaking.

    Viscous Coupling: Hard grinding that escalates to a hard combo of grinding/shaking/jarring that feels like the wheel is about to rip off.

    Keep us updated.

+ Reply to Thread

Quick Reply Quick Reply

Register Now

Please enter the name by which you would like to log-in and be known on this site.
If you do not want to register, fill this field only and the name will be used as user name for your post.

Please enter a password for your user account. Note that passwords are case-sensitive.

Please enter a valid email address for yourself. We strongly suggest that you stay away from using aol, yahoo, msn, and hotmail accounts. Sometimes the mail server blocks the emails from our server. As a result you will not receive any notifications including the confirmation email.

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.


Posting Permissions

  • You may post new threads
  • You may post replies
  • You may not post attachments
  • You may not edit your posts
  •