4-1
REAR
SUSPENSION
CONTENTS
OF
THIS
SECTION
SUBJECT
PAGE SUBJECT
PAGE
Periodic
Service
0
.
Adjustment
and Checks on Car
Repairs
-
Rear
Suspension
Shock
Absorber Removal and Installation
Pontiac and Tempest
Firebird
0
„
Shock
Absorber
Lower
Mount Removal and
Installation
-
Firebird,
, . .
Rear
Spring Removal and Installation
Pontiac and Tempest . . . «, .
Firebird
. . .
0 0
Main
Leaf
of
Leaf
Spring Replace -
Firebird
Leaf
Spring Tip Insert or Insulators
Replace
-
Firebird
. . . „ .
4-1
4-1
4-1
4-1
4-2
4-2
4-3
4-4
4-4
Upper
Control Arm Removal and Installation 4-5
Upper
Control Arm Bushings Replace . . . 4-5
Lower
Control Arm Removal and Installation 4-6
Lower
Control Arm Bushings Replace . . . 4-6
Superlift
Shock Absorber Removal and
Installation
4-7
Pontiac Automatic
Level
Control
Tubing
Removal and Installation 4-7
Compressor
Removal and Installation . . . 4-8
Disassembly of Compressor. . . 4-8
Assembly of Compressor 4-10
Trouble
Diagnosis Tests 4-14
Torque
Specifications 4-19
Special
Tools . . . . . . 4-19
PERIODIC
SERVICE
Periodic
service of the suspension system con-
sists of regular lubrication as outlined in the
GEN-
ERAL
LUBRICATION
section.
Lubrication
fittings are provided at the front sus-
pension
ball
joints. Shock absorbers do not require
lubrication
and in case of leaks or malfunction,
they should be replaced.
ADJUSTMENTS
AND
CHECKS
ON CAR
Periodically
it may be necessary to make certain
adjustments and checks of the suspension system
to maintain desirable handling and steering
char-
acteristics and minimize tire wear. These checks
and
adjustments are explained in section 3.
REPAIRS—REAR
SUSPENSION
REAR
SHOCK ABSORBER—PONTIAC
AND
TEMPEST
REMOVAL
CAUTION:
If car is
elevated,
support
rear
axle
assembly
so it will not swing
down
and
damage
brake
line when shocks are
removed.
1. Remove nuts and washer head screws from
upper end of shock absorber.
2. Remove nut and lock washer from lower end
and
remove shock absorber.
3.
Clean
and inspect rubber inserts. If rubber
inserts have shifted from their original position in
either eye, replace shock absorber.
INSTALLATION
1.
Install
shock absorber by reversing the
above
steps.
2. Tighten upper screws to 20 lb. ft. torque.
Tighten
lower nut to 65 lb. ft. torque. When tighten-
ing lower nut, shock absorber stud must not turn and
car
must be at curb height.
SHOCK ABSORBER-FIREBIRD
REMOVAL
(Fig. 4-1)
1. Raise
rear
of vehicle and support
rear
axle
assembly.
2. Remove shock absorber lower attaching nut.
3.
Remove shock absorbe r upper mounting
bracket-to-underbody retaining screws and withdraw
shock absorber and bracket.
4. Remove nut, upper retainer and grommet and
retainer
from the shock absorber rod.
5. Inspect rubber grommets and gasket for damage
and
deterioration. Replace as required.
INSTALLATION
(Fig. 4-1)
1. Assemble lower retainer and grommet, bracket
and
gasket, upper grommet and retainer and nut to
the shock absorber rod. Torque nut to specifications.
2. Position shock absorber bracket to underbody.
Install
and torque bracket retaining screws to speci-
fications.