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Old 07-20-2018, 07:51 PM   #1
m5gorrf
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Member#: 468210
Join Date: May 2017
Chapter/Region: BAIC
Location: Calif foothills
Vehicle:
2006 WRX Wagon
Blue

Default Clunk on some right turns then on hard braking ?? Solved

KYB struts had larger bolt holes, Needed to torque above spec to 150# & it stopped

I hear & feel a clunk (only 1) under my feet, nearer to under the hinges for the drivers door. Started sometimes on right turns but not all turns. The right turn has almost completely stopped, now sometimes on hard braking any ideas?

06 WRX Wagon 180K miles
Recently replace the struts and drove it for 400 miles, then replace the front sway bar. All bolts seem to be tight.
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Last edited by m5gorrf; 08-15-2018 at 11:27 AM.
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Old 07-20-2018, 11:12 PM   #2
A-man07
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Member#: 271525
Join Date: Jan 2011
Location: BagEnd
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7/2 STi/WRX wagon
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More than likely the sway bar bolts. Did you install the sway bar on ramps? The wheels have to be at ride height when the bar is installed. Aftermarket endlinks on the bar? They have to be pretty tight, like 35-40 ft-lbs. Are the endlinks reasonably perpendicular?

Other possibilities include the control arm rear mount (the "ALK") either a bolt being loose or the bushing worn out. Perhaps a worn ball joint.
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Old 07-20-2018, 11:37 PM   #3
m5gorrf
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The rear sway bar instructions said to have weight on the wheels before torquing but not the instructions for the front. I have re-tightened them on ramps, might release them and retorque

Before any of this work, everything was tight, grabbed each front wheel unweighted, while the other was still weighted / on the ground and put pressure on the ball joint and steering components. Then with both wheels weighted, up on large blocks, watched the control arm bushings, while the steering wheel was turned full right to left to the stop..

Will recheck all of this, the new sway bar could have put more stress on the old OEM components and pushed them over the edge. Have polyurethane bushing on the way for the front control arms and just in case bought new ball joints
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Old 07-21-2018, 08:45 AM   #4
A-man07
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Quote:
Originally Posted by m5gorrf View Post
The rear sway bar instructions said to have weight on the wheels before torquing but not the instructions for the front. I have re-tightened them on ramps, might release them and retorque
I would remove one end of the links altogether then retorque all the bolts, of course with the front wheels on ramps/blocks.

Let me add, if you use the search function at the top right of the suspension forum header you can find install guides for just about everything often with very useful tips.
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