Lower control arms replacement. Trim height? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-21-2014, 10:39 PM   #1
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Default Lower control arms replacement. Trim height?

Okay, at 199k miles my front suspension needs attention. Lower ball joints, tie rod ends, control arm bushings etc. Also the rear adjustable link ball joints need replacing but the car is mechanical - maintenance is normal.
Here'* the issue. The manual mentions a trim height measurement! Can't find that in the manual I have. Says I should lower the car and then tighten the control arm bolts.
So here'* the question: Is this correct? Should I lower the vehicle before tightening the control arm bolts? Does the manual want me to lower the vehicle, take height measurements. lift it and tighten the bolts?
The manual is confusing here. Hopefully someone will be able to steer me correctly.
I would expect that I would tighten the control arm bolts after the ball joint and sway bar are reconnected: no need to lower the vehicle.
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Old 03-24-2014, 02:21 PM   #2
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you are supposed to torque those bolts with the weight of the car of them because thats how its going to ride. you can put jackstands out toward the bearing side of the control arm if you cant get to the bolts with the wheels on. make sure you get it aligned after doing all that work
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Old 03-24-2014, 03:10 PM   #3
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Don't know why the manual couldn't have put it that way.
Yes, the car will be realigned after the work is done. The garage is about one mile away.
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