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Place a jack under a ball joint and raise it until it takes the weight
of the car, and the control arm is 1° below horizontal. Secure the
arm to the subframe at 70 ft-lbs.
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Lower control arm removal and bushing replacement on a Saab 9-5.
The original bushings were worn and cracked, the hydraulic rear
bushings went dry and lost most of the oil, so a fresh set was
needed.
Saab sells replacement rear bushings as a complete assembly with a new
aluminium housing, but we're installing a polyurethane insert, so the old
bushing needs to be pressed out of the housing.
A hydraulic press should greatly speed up the rear bushing removal, but
since it's not a common household appliance, we will be using a hacksaw
and a gear puller.
Tools:
- 18 mm socket: rear bushing retainer nut, ball joint nut (optional);
- 17 mm socket: wheel bolts;
- 15 mm socket: control arm bolts;
- 13 mm socket: ball joint screws (optional);
- 8 mm socket: plastic shield screws;
- torque wrench;
- car jack and axle stands;
- breaker bar;
- gear puller;
- hacksaw;
- hammer and rubber mallet.
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