Repair Instructions; Measuring Wheel Alignment; Front Caster And Camber Adjustment - GMC chervolet camaro 1999 Service Manual

3-10 Wheel Alignment
J 38658
208361
1
J 38658
208366
Repair Instructions
Measuring Wheel Alignment
Suspension
Satisfactory vehicle operation may occur over a wide
range of alignment settings. If settings vary beyond
the specifications, correct the alignment angles.
1. Measure the front alignment angles.
2. Install the alignment equipment according to the
manufacturer's instructions.
3. Jounce the front and rear bumpers lightly three
times in order to normalize the suspension prior
to measuring the angles.
4. Measure the alignment angles and record the
readings. If adjustments are required, make the
adjustments in the following order:
4.1. Camber
4.2. Caster
4.3. Toe
Front Caster and Camber Adjustment
Tools Required
J
38658 Caster/Camber Adjusting Tool
1. Before making any adjustments in caster, jounce
the front bumper three times in order to allow the
vehicle to return to normal height.
2. Raise and support the vehicle. Refer to Lifting and
Jacking the Vehicle in General Information.
3. Loosen the nuts from the front lower control arm.
4. Install Front Camber Adjustment to the slot
holes in the lower control arm (2) and in the front
crossmember ( 1).
5. Adjust the camber by rotating the turnbuckle on
Front Camber Adjustment
• Rotating the turnbuckle clockwise will increase
the camber.
• Rotating the turnbuckle counterclockwise will
decrease the camber.
6. Install Front Caster Adjustment to the slot holes in
the lower control arm (1) and in the front
crossmember (2).
• Rotating the turnbuckle clockwise will. increase
the caster.
• Rotating the turnbuckle counterclockwise will
decrease the caster.
7. Adjust caster by rotating the turnbuckle on Front
Caster Adjustment
8. Remove Front Caster Adjustment from the
slot holes.
Notice: Refer to Fastener Notice in Cautions and
Notices.
9. Install the nuts on the front lower control arm.
Tighten
Tighten the nuts to 100 N-m (74 lb ft).
10. Lower the vehicle.
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