Pontiac FIREBIRD 1972 Service Manual page 308

4-22 1972 PONTIAC SERVICE MANUAL
2. Position puller screw J 21058-15 through installer
adapter and bushing.
3. Position puller screw through spring eye until bush-
ing contacts spring.
4. Install small end of barrel J 22553-1 over puller screw
and seat barrel against spring.
5.
Install thrust bearing, washer and nut J 21058-8 on
puller screw. Check puller tools and bushing for
proper alignment; then tighten nut to pull bushing
into spring. Install bushing until bushing is centered
in spring eye.
CAUTION: Do not apply additional torque to
nut J 21058-8 after bushing flange contacts
spring. Torque applied after flange is seated wi J J
tend to distort flange and reposition bushing in
spring.
6. Disassemble bushing installation tools and remove
from spring.
CAUTION: See CAUTION on page I of this
Section regarding the fastener referred to in
step Z
7. F & X Series: Position spring front mounting bracket
to spring front eye and loosely install spring eye bolt
and nut.
NOTE: Do not tighten spring eye bolt nut until
weight o f car is on spring.
8. F & X Series: Remove wood wedge or plank.
9. F & X Series: Raise front end of spring and position
mounting bracket to floor pan.
CAUTION: Be sure tab on spring mounting
bracket is indexed in slot provided in the floor
pan.
10. F & X Series: Install spring front mounting bracket
attaching screws and tighten to 25 lb. ft. torque.
1 1. F & X Series: Install shock absorber lower end stud in
spring and shock absorber anchor plate. Tighten
shock absorber lower end stud nut to 10 lb. ft. torque
on F Series or to 55 lb. ft. on X Series.
CAUTION: Make sure all grommets and retain-
ers are correctly installed (F& XSeries), Shock
absorber stud must not rotate while tightening
nut. I f necessary, use pliers or wrench to hold
bottom o f stud while tightening nut.
12.
F & X Series: Raise car so weight of car is on springs.
13. F & X Series: Tighten spring front eye bolt nut to 75
lb. ft. torque.
14. F & X Series: Remove jack stands and lower car.
SHACKLES, PINS, BUSHINGS AND
SLEEVES
(LEAF SPRING)
NOTE: Sleeves used on B Series only.
REMOVE
1. Raise car at axle housing.
NOTE: Support weight of car at both frame
side rails (B Series) or underbody side rails near
front eye of springs with jack stands.
2. Lower axle housing enough so shackles are not carry-
ing weight of car or axle housing.
3. Loosen upper and lower spring shackle pin nuts (Fig.
4-19, View E; Fig. 4-20, View E; or Fig. 4-33).
4.
B Series: Remove upper spring shackle pin, shackle,
bushings and sleeve from frame side rail.
F & X Series: Remove upper spring shackle pin,
shackle and bushings from underbody side rail.
5. B Series: Insert wood wedge or plank near rear
spring eye between spring and frame side rail to pry
spring eye down for clearance.
F & X Series: Insert wood wedge or plank near rear
spring eye between spring and underbody side rail to
pry spring eye down below bottom of fuel tank for
clearance.
6.
B Series: Remove lower spring shackle pin, shackle,
bushings and sleeve from spring eye.
F & X Series: Remove lower spring shackle pin,
shackle and bushings from spring eye.
INSTALL
1. Install by reversing the above steps.
CAUTION: See CAUTION on page I of this
Section regarding the fastener referred to in
step 2.
2. Tighten shackle pin nuts to 95 Ib. ft. torque on B
Series or to 50 lb. ft. torque on F & X Series.