Rear Spring; Leaf Spring And Spring Eye Bushing - Pontiac Grand Prix Service Manual

REAR SUSPENSION
4-3
3. Place jack stand under frame side rail and lower
axle to relieve load on axle.
4. Remove four nuts attaching lower spring and shock
absorber anchor plate and withdraw anchor plate with
spring cushion pad.
NOTE: k g h t and lejl anchor plates will not inter-
change.
5. Raise axle up to provide clearance to remove upper
spring cushion pad.
INSTALL
1. Install by reversing the above steps.
NOTE: Place upper and lower spring cushion pads on
spring so that cushions are indexed on spring center
locating bolt and nut. Upper cushion and lower cushion
will be aligned
if
installation is correct.
2. Tighten anchor plate attaching nuts to 40 Ib. ft.
torque.
3. Tighten shock absorber lower end nut to 60 Ib. ft.
torque.
NOTE: Shock absorber stud must not rotate while
tightening nut.
REAR SPRING
-
EXCEPT FlREBlRD
REMOVE
1. Raise rear of car.
2. Remove screw attaching brake hose bracket to axle
housing.
NOTE: Do not disconnect brake line from connector.
3. a. Place jack stand under frame side rail to support
car if car raised with jack placed under axle housing.
b. Place jack stand under axle housing tube to support
car is car raised with jack placed under frame side rail.
5. Remove nut and lock washer from shock absorber
lower end stud and disconnect shock absorber from
axle housing bracket.
6.a. If axle housing is supported by jack, carefully
lower axle housing by lowering jack.
b. Place jack stand under axle housing tube to support
car, if car raised with jack place under frame side rail.
CAUTION: Care must be taken to prevent contact
between the rear lower control arm upper jlange and the
rear lower control arm a l e housing bracket when
lowering the axle housing.
7. Remove spring.
8. Remove rubber insulator from upper spring seat,
inspect and replace if in poor condition.
INSTALL
1. Install spring, making sure that the end of the bottom
coil is towards the rear of car.
2. Either raise axle housing or lower car until shock
absorber can be connected to axle housing bracket.
3. Install lock washer and nut on shock absorber stud.
Tighten nut to 65 Ib. ft. torque.
NOTE: Shock absorber stud must not rotate while
tightening nut.
4. Position brake hose bracket to axle housing and
tighten attaching screw to 8 lb. ft. torque.
LEAF SPRING AND SPRING EYE BUSHING
-
FlREBlRD
REMOVE
1. Raise rear of car at axle lfousing.
NOTE: Support weight of car at both frame side rails
near front eye of springs with jack stands.
2. Remove nut and lock washer from shock absorber
lower end stud.
NOTE: Compress shock to move out of way.
3. Loosen the spring front eye bolt.
4. Remove the screws securing the spring front bracket
to the floor pan.
5. Lower axle assembly sufficiently to permit access to
front spring bracket and remove bracket from spring.
6. The spring eye bushing can be replaced without
completely removing the spring from the vehicle. If
bushing requires replacement, proceed as follows:
a. Insert wood wedge or plank between spring and
frame to pry spring eye down for clearance to use
bushing removal tool.
b. Position remover adapter J 21978-1 over puller
screw J 2 1058-15 so that adapter is against head of
puller screw (Fig. 4-2).
c. Position puller screw through eye of bushing so that
remover adapter J 21978-1 is against unflanged side of
bushing.
d. Position large end of barrel
J
22553-1 over puller
screw and seat barrel against spring eye.