Replace control arm bushing

Tiny
GREGK4949
  • MEMBER
  • 1999 BUICK PARK AVENUE
Instructions on how to replace the rear drivers side control arm bushing, (the one in front) on a 1999 Buick park ave. What all do I have to disconnect to lower control arm to get to bushing?
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Thursday, March 22nd, 2012 AT 4:26 PM

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Tiny
HMAC300
  • EXPERT
Raise and support vehicle. Allow suspension to hang free. Remove wheel. Disconnect stabilizer bar from lower control arm. Separate ball joint from lower control arm. See BALL JOINT . Remove lower control arm
bolts. Remove lower control arm.

Installation

NOTE: Tighten lower control arm bolts with vehicle weight on lower control arms.

To install, reverse removal procedure. Tighten nuts and bolts to specification. See TORQUE SPECIFICATIONS table. Check wheel alignment. See SPECIFICATIONS & PROCEDURES CARS EXCEPT
SATURN article in WHEEL ALIGNMENT.

LOWER CONTROL ARM BUSHINGS

Removal & Installation

1. Remove lower control arm. See LOWER CONTROL ARM . On vehicles with bushing mounted on frame, remove and install bushing as illustrated, ensuring bushing is fully seated. See Fig. 3 .
2. On vehicles with bushing mounted on lower control arm, use a hammer and punch to tap down flare on lip of bushing. Remove bushing. Install new bushing. To retain new bushing, tighten nut on flare tool to obtain
a 45 degree flare on bushing See Fig. 4 . Ensure bushing is secure in lower control arm.

Fig. 3: Replacing Lower Control Arm Bushings (Frame Mounted Bushings)
Courtesy of GENERAL MOTORS CORP.

Fig. 4: Flaring Lower Control Arm Bushing
Courtesy of GENERAL MOTORS CORP.

If you have an air chisel you can push the bushing out with that instead of a tool. However you do need the tool to flare teh bushing so it doesn't come out.
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Friday, March 23rd, 2012 AT 12:14 AM
Tiny
HMAC300
  • EXPERT
Forgot these pics.
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Friday, March 23rd, 2012 AT 12:15 AM

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