Removing Bearing And Seals; Installing Needle Bearings; Installing Seals (Gear Disassembled); Gear Assembly And Adjustment - Pontiac TRANS AM 1977 Service Manual

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POWER STEERING GEAR AND PUMP
383-1
3
Fig. 383-32 Removing Bearing and Seals
WHEN
1 0 0 1 J-22407
HOTTOMS O N HOUSING,
BEARING IS FULLY
INSTALLED
IN HOUSING
DO NOT
BOTTOM BEARING
I
Fig. 383-33 Installing Needle Bearings
c. Remove the tool and a d a ~ t e r , then install the back-UD
.
.
washer and seal retaining ring. The retaining ring will not seat
in the groove at this time.
Fig. 383-34 Installing Seals (Gear Disassembled)
d. Reinsert Tool 5-6278 with Adapter 5-6278-2 and
continue driving the seals until the retaining ring seats in its
groove (Refer to Inset, Fig. 3B3-34) then remove the tool and
adapter.
GEAR ASSEMBLY AND ADJUSTMENT
1.
Lubricate the worm, lower thrust bearing and the two
thrust washers with Power Steering Fluid, No. 1050017 or
equivalent, then install one thrust washer, the bearing, and
the other thrust washer over the end of the worm (Fig. 3B3-
35).
2. Lubricate the valve body teflon rings and a new cap
to body "0" ring with Power Steering Fluid, No. 1050017
or equivalent. Install the cap to body "0" ring in the valve
body so it is seated against the lower shaft cap. Align the
NARROW NOTCH in the valve body with pin in the worm,
then install the valve and shaft assembly in the gear housing
(Fig. 3B3-36). Apply pressure to the VALVE BODY when
installing. If pressure is applied to the stub shaft during
installation, the shaft may be forced out of the valve body
(Fig. 3B3-37).
NOTE: The valve body is properly seated when the oil
return hole in the housing is entirely uncovered (Fig.
3B3-38).
3. Lubricate a new adjuster plug "0" ring with Power
Steering Fluid, No. 1050017 or equivalent, and install in
groove in adjuster plug. Place Seal Protector 5-6222 over stub
shaft, then install the adjuster plug assembly in the housing
unit until it seats against the valve body (Fig. 3B3-39).
Remove Seal Protector.
4. Adjust the thrust bearing preload as follows:
a. Turn the adjuster plug in (clockwise) until the plug
and thrust bearing are firmly bottomed
-
approximately 20
ft. lb. (Fig. 3B3-40).
b. Mark the housing even with one of the holes in the
adjuster plug (Fig. 3B3-41).

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Firebird 1977

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