greenleg88 Posted August 12, 2009 Share Posted August 12, 2009 this is for a toyota corolla but the knowledge should be the same... there is a shudder when braking.. im thinking warped rotors.. but it is also there when im not braking... if the shudder is there when not on the brakes, i would expect it to be really REALLY bad when i am on the brakes... are there any other possible things that you all can think of... its only when about 60+ mph... thanks! Link to comment Share on other sites More sharing options...
OB99W Posted August 13, 2009 Share Posted August 13, 2009 There are a few possible causes of what you're describing. Wheel balance and tire damage are common ones. If the car was driven in a muddy area, check that there isn't a lump of mud stuck to a wheel. Looseness in the front end or misalignment can worsen the effect of wheel/tire problems. Swapping front with rear wheels/tires and seeing if there's a change might help with the diagnosis. Here are a few links with good info that can be applied to Subaru (and other brands ): http://endwrench.com/images/pdfs/ChaseEWAug06.pdf http://www.aa1car.com/library/vibrations.htm http://www.aa1car.com/library/tires2.htm Link to comment Share on other sites More sharing options...
Fairtax4me Posted August 13, 2009 Share Posted August 13, 2009 Have the wheels balanced first. Do you feel any shuddering or shaking on hard acceleration from a stop? ( I know acceleration and corolla don't really belong in the same sentence ) Link to comment Share on other sites More sharing options...
Durania Posted August 13, 2009 Share Posted August 13, 2009 Have you checked your wheel bearings as well? Jack the car up, and grab the top and bottom of the tire and see if there is any up and down movement. Link to comment Share on other sites More sharing options...
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