Remove And Install Pitman Shaft Seals In Car; Remove And Install Pitman Shaft And Side Cover; Remove And Install Stub Shaft Seals Without Disassembling Gear; Remove And Install Lower Bearing And Adjuster - Pontiac TRANS AM 1977 Service Manual

383-36
1977 PONTIAC SERVICE MANUAL
1. REMOVE AND INSTALL PITMAN SHAFT
SEALS IN CAR
REMOVE INSTALL
1. Clean exposed end of
1. Install parts as shown.
pitman shaft and end
of housing after HOUSING ASSEMBLY
removing arm. Inspect for burrs.
2. Remove retaining ring.
3. Start engine and turn
wheels fully to the
right to force seals
and washer out.
4.
Turn off engine.
5. lnspect housing
and shaft.
PITMAN SHAFT
-
lnspect seal surface for
roughness and pitting.
PITMAN ARM
r---------
Remove Pitman Arm
A
, ,
LOCK WASHER
&
?\NUT
-
torque to
I
250 Newton metre
( i e o ~t L ~ S )
Install Seals
2. REMOVE AND INSTALL STUB SHAFT
SEALS WITHOUT DISASSEMBLING GEAR
REMOVE
1
1. Remove retaining ring
and dust seal. Take care
not to scratch shaft.
1
2. Wrap 0.1 mm to 0.2mm
(.005" to .008") shim
stock around shaft and
insert between shaft
and sealing lip until
it bottoms. Pry seal out.*
INSTALL
1. Install stub shaft seal.
Liberally coat top of seal
with anhydrous calcium
grease.
2. Install dust seal just deel
enough to clear retaining
ring groove, then install
retaining ring.
A%
RETAINING RING
/aDusT
SEAL
STUB SHAFT-
I
HOUSING ASSEMBLY
3. REMOVE AND INSTALL PITMAN SHAFT
AND SlDE COVER
REMOVE
1. If pitman shaft and
side cover are to be
separated, remove
preload adjuster nut.
IT IS A LEFT HAND
THREAD.
2. Rotate stub shaft
to center gear, then
remove parts as shown.
Tap on thread end of
pitman shaft w~th
plastic hammer.
INSTALL
1. Install parts as shown.
Use new retaining ring,
make sure that open
end of retaining ring
is approx. 13mm (W')
from access hole.
2. Depress side cover to
make sure retaining
ring seats properly.
/
SlDE COVER
I
RETAINING RING
PRELOAD ADJ. NUT
-
Torque to 27 Newton
Metres (20 Ft. Ibs)
PRELOAD ADJUSTER
PlTMAN SHAFT GEAR SIDE COVER
SlDE COVER "0" RlNG SEAL7
SlDE COVER SPRING,
\ I I
Retaining ring access
I----------
hole (use punch).
I
I
L
, , , - - -
-
---,J
Separate pitman shaft
from side cover if required.
4.
REMOVE AND INSTALL LOWER BEARING
AND ADJUSTER
REMOVE
INSTALL
1. Loosen lock nut. 1. Install parts as shown.
Use punch against
2. Adjust thrust bearing
edge of one slot.
preload (see adjustment
2. Remove parts as shown. procedure) before
3. Inspect lower thrust
t~ghtening lock nut.
bearing assembly.
LOWER THRUST BEAR1
ADJUSTER PLUG '0" RlNG SEAL
ADJUSTER PLUG
\
LHexagon Driver (1 7mm)
4662