GMC 1982 Light Duty Truck Service Manual page 364

3 C -2 2 FRONT SUSPENSION
CROSSMEMBER AND SUSPENSION UNIT
Com ponent parts of the front suspension may be
serviced separately as outlined in the preceding service
operations. However, if extensive service is to be performed
to crossmember, frame, etc., the unit can be removed and
installed as follows:
Removal (Fig. 3C-32)
1. Raise hood and disconnect negative battery cable from
battery.
2. Raise vehicle on hoist.
3. Remove front wheels.
4. Disconnect front brake hose clip from each upper
control arm.
5. Support front of vehicle with jack stands at frame side
rails. Lower front hoist.
6. Clean area adjacent to brake hose fittings. Disconnect
front brake hoses from calipers. Discard special wash­
ers (2 each hose). Cover disconnected end of each hose
with suitable material.
7. Disconnect tie rod ends from steering knuckles. Dis­
card cotter pins. Refer to Section 3B.
8. If equipped, disconnect front stabilizer from lower
control arms.
Fig. 3C-32--Suspension Unit to Frame
9. Disconnect fron shock absorbers from lower control
arms.
10. Remove brake line clip bolts from front suspension
crossmember. On C-Models the clip is located under
right hand engine mount support bracket.
NOTICE: Failure to disconnect these clips from the front
suspension unit will result in severe dam age to the
brake line when unit is lowered from vehicle.
11. Remove engine mount support bracket to front suspen­
sion crossmember bolts.
12. Remove crossmember to lower frame rail bolts.
13. Raise hoist to support front suspension unit.
14. Support engine. Engine must be supported adequately
before front suspension unit is lowered from vehicle.
15. Remove upper control arm bracket to frame side rail
bolts. Suspension unit is now disconnected from
vehicle.
16. Lower hoist to lower front suspension unit from vehicle.
Fig. 3C-33--Engine Front M ounting Bracket