C Yukon 2WD V8-5.7L VIN R (1999)
Caution: Floor jack must remain under the lower control arm during removal and installation to retain the lower control arm in position.
Failure to do so could result in personal injury.
2. Remove the tire and wheel assembly.
3. Remove the air cleaner extension, if necessary.
4. Remove the brake hose bracket from the upper control arm.
4.1. Remove the nuts and the screws.
4.2. Tie the hose out of the way.
5. Remove the upper ball joint from the steering knuckle.
6. Remove the attaching bolts and nuts of the upper control arm.
7. Remove the upper control arm.
8. Remove the bushings.
9. Inspect all of the parts for wear and damage.
INSTALLATION PROCEDURE
1. Install the bushings.
2. Install the upper control arm to the frame.
3. Install the bolts and new nuts.
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Tighten the nuts to 190 Nm (140 ft. lbs.).
Notice: Refer to Fastener Notice in Service Precautions.
Important:
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The pivot bolts must be installed in the proper direction.
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Tighten the front nut prior to tightening the rear nut.
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Tighten the nuts with the control arm at Z height. Refer to Trim Height Inspection Procedure under Alignment.
4. Install the upper ball joint to the steering knuckle.
5. Install the brake hose bracket to the upper control arm.
6. Install the bracket screws and the nuts.
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Tighten the nuts to 18 Nm (13 ft. lbs.).
7. Install the brake hose to the bracket.
8. Install the air cleaner extension, if necessary.
9. Install the tire and wheel assembly.
10. Check the front wheel alignment.
