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SAI (alignment) question - way out of spec

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2.2K views 5 replies 4 participants last post by  brusty  
#1 ·
Hi all,

Just swapped tires and had an alignment done. Looking at the readout, my (unadjustable) SAI readings were as follows:

Front Left: +15.1 degrees
Front Right: +24.9 degrees

Spec for both sides is +12.2 to +13.2 degrees, meaning the left is out of spec by 1.9 degrees and the right is out by a whopping 11.7 degrees.

Some brief notes on the car...

The only work I've done relating even remotely to suspension is installing stiff rings, a FSTB, and a greater diameter rear sway bar (the Optima one).

I've never had any suspension components replaced, with my odometer about to roll over to 100,000 miles.

There's been a persistent sort of "clunk" that I feel (not hear) in the steering wheel when traversing certain kinds of bumps. Steering column was replaced under warranty, and the flexible steering coupler is pristine as of about a year ago (it's the revised part and less prone to degradation). Rack and pinion also replaced a year ago. Took the car to multiple shops and have had them check over the suspension/steering. Nothing else found, other than minor cracking in control arms, according to a tech.

So, thoughts? New struts?

Hoping this SAI is the revelatory symptom that reveals what's been making the clunk...

Otherwise, the car drives perfectly and in a straight line for days without steering input.

Thanks for all your input!
 
#3 ·
2nd opinion at a different shop
 
#6 ·
Forgot about the update.

Got it checked elsewhere...replaced front struts/mounts. Tracks even tighter, and a very slight (occasional, almost imperceptable) pull when braking hard is totally gone. Now within spec. No clunk. Drove a 2017 Jaguar XE with < 300 miles on it in the interim and steering response to bumps felt similar through the column.

Thanks for your input!