Pontiac FIREBIRD 1972 Service Manual page 311

REAR SUSPENSION 4-25
LOWER
CONTROL
ARM
Fig. 4-29 Installation of Control Arms (Coil Spring
Suspension)
INSTALL
1. Install by reversing the above steps.
CAUTION: See CA UTION on page I of this
Section regarding the fastener referred to in
step 2.
2.
B Series: While holding nut, tighten rear pivot bolt to
110 lb. ft. torque or while holding rear pivot bolt,
tighten nut to 80 lb. ft. torque. While holding nut,
tighten front pivot bolt to 140 lb. ft. torque or while
holding front pivot bolt, tighten nut to 110 lb. ft.
torque.
CAUTION: Car must be at curb height when
tightening pivot bolts.
A & G Series: While holding nut, tighten pivot bolt to
110 lb. ft. torque or while holding pivot bolt, tighten
nut to 80 lb. ft. torque.
CAUTION: Car must be at curb
1
tightening pivot bolts.
UPPER CONTROL ARM BUS1
(COIL SPRING SUSPENSION)
height when
4ING
1. Raise rear of car.
2. Support nose of axle housing with jack stand.
3. Remove pivot bolt at axle housing and lift upper
control arm to clear boss on axle housing.
4. Arrange tools as shown in Fig. 4-30 and press bush-
ing from axle housing.
NOTE: Replacing a left side upper control arm
bushing in the type "C
"
differential axle hous-
ing may require modification of tool J-21474-8
before positioning tools from set J-21474.
INSTALL (IN AXLE HOUSING)
1. Install bushing in axle housing by arranging tools as
shown in Fig. 4-3 1 and press into place.
CAUTION: Use care to keep bushing properly
aligned.
CAUTION: See CA UTION on page I
of this
Section regarding the fastener referred to in
step 2.
2. Position control arm in place and install pivot bolt.
3. While holding nut, tighten pivot bolt to 110 lb. ft.
torque or while holding pivot bolt, tighten nut to 80
lb. ft. torque.
GRIND TOOL OFF
AS SHOWN
J-2 1
474-4
REMOVE (IN AXLE HOUSING)
Fig. 4-30 Removing Upper Control Arm Rear Bushing (Coil
Spring Suspension)