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382-2
1977 PONTIAC SERVICE MANUAL
BUSHING,
SIDE COVER
Fig.
382-2
Manual Steering Gear (Cross Section)
Fig.
3B2-3
coupling s h i e l d 3 series)
4. Remove pitman shaft nut and pull pitman arm from
-
-
shaft using
TOO(
J 5504 or a similar puller.
5. Remove gear to frame bolts, position steering linkage
out of the way and withdraw gear assembly from under car.
NOTE: If mounting threads in housing are stripped, do
not repair. Replace housing.
lnstallation
See CAUTION on Page 3B2-1 of this section.
1. Apply wheel bearing grease to the gear mounting pads
to prevent gear to frame squeak.
2. Position gear and flex-coupling into position and
install gear to frame bolts. Torque bolts to 80 ft. Ibs.
3. Reconnect pitman arm to pitman shaft and using
NEW lock washer and nut, torque nut to 210 ft. Ibs. (exc.
H Series) and 160 ft. lbs. (H Series).
4. On H Series, install crossmember brace.
5. Lower car and install the two flex-coupling to flange
attaching lock washers and nuts. Torque nuts to 20 ft. lbs.
W O R M SHAFT SEAL
(Gear Assembled)
Removal
1. Remove steering gear.
2. Punch a small hole in the metal portion of the seal
and install a small metal screw approximately, two turns. Pry
out seal with side cutters.
Installation
See CAUTION on page 3B2-1 of this section.
1. Drive new seal flush with housing using Tool J 21421-
1 (Fig. 3B2-4).
-
2. Install steering gear.
DISASSEMBLY OF GEAR (FIG. 3B2-5)
FIG.
382-4
INSTALLING WORM SHAFT SEAL
1. Mount steering gear on Holding Fixture J 5205.
2. Rotate worm shaft with flex-coupling until gear is in
center of travel.
3. Remove the three side cover bolts.
4. Tap lightly on the end of the pitman shaft with a
plastic hammer and lift the side cover and pitman shaft
assembly from the gear housing (Fig. 3B2-6).
NOTE: If the pitman shaft sector does not clear the
opening in the housing easily, turn the wormshaft by
hand until the sector will pass through the opening in
the housing.
5. Loosen worm bearing adjuster lock nut with a brass
drift (Fig. 3B2-7) and remove adjuster plug assembly.
6. Remove wormshaft assembly with ball nut attached
through bottom of housing. Remove upper bearing from
wormshaft (Fig. 3B2-8).
CAUTION: Use care that the baII nut does not
run down to either end of the worm. Damage may
be done to the ends of the ball guides
if
the baII
nut is allowed to rotate until stopped at the end
of the worm.
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