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383-1 2
1 9 7 7 PONTIAC SERVICE MANUAL
necessary to tap only 2 or 3 threads deep.
4. Thread a 5/16"-18 bolt with a nut and flat washer into
tapped hole (Fig. 3B3-28).
5. To pull connector seat, hold bolt from rotating while
turning nut off bolt. This will pull connector from housing.
Discard connector seat.
NOTE: It is also possible to remove connector by using
a No. 4 screw extractor.
6. Wipe petrolatum from housing and clean housing
thoroughly to remove any metal chips or dirt.
7. Wipe petrolatum from housing and clean housing
thoroughly to remove any metal chips or dirt.
8. Remove poppet check valve and spring from pressure
port and discard.
9. Install new check valve spring in pressure port with
large end down. Make sure spring is seated in counterbore
in pressure port (Fig. 3B3-29).
I
PRESSURE PORT
CONNECTOR AND
CHlCK VALVE
Fig. 383-29 Installing Connector Seat
10. Install new check valve over spring with tangs
pointing down. Make sure valve is centered on small end of
spring.
1 1. Install new connector seats, using petrolatum to hold
connector seat on check valve in pressure port. Drive
connector seats in place using Valve Connector Seat Installer
J 6217 (Fig. 3B3-29).
12. Check operation of valve by pushing lightly against
valve with a small punch or small rod. Valve should reseat
itself against connector seat when pressure is removed from
spring.
13. Connect pressure and return line hoses on steering
gear. Tighten hose fittings to 35 ft. Ibs.
14. Check fluid in pump
reservoir
and add fluid if
necessary.
P I T M A N SHAFT NEEDLE BEARING AND
SEALS
Removal (Fig. 383-30)
1.mXlSlffi
5.0ILSEAL~W)Vet.E
2.
BEARING
LIP)
3926
3.
OIL
SEAL
6.
SELWASHLR
4. STEEL
WASHER 7. R E T A I N I f f i R l f f i
Fig. 3 8 3 - 3 0 Pitman Shaft Bearing Seals
CA UTI 0 N : When prying out seals, be extremely
careful not to score the housing bore.
1. If pitman shaft seals ONLY are to be replaced, remove
the seal retaining ring with internal pliers and remove back-
up washer. Using screwdriver under lip of seal pry out the
outer seal. Remove the back-up washer, then pry out the
.
-
inner seal (Fig. 383-3 1).
is card
seals.
Fig. 3 8 3 - 3 1 Removing Pitman Shaft Seals
2. If pitman shaft needle bearing replacement is
necessary, remove with Tool J-6278. Since this bearing is
shouldered, it must be pressed out the pitman shaft end of
the housing (Fig. 3B3-32).
Assembly
1. Thoroughly clean the parts and lubricate them with
Power Steering Fluid, No. 1050017 or equivalent.
2. Install pitman shaft needle bearing on Bearing
Installer J-22407, with shoulder of bearing against tool.
Position bearing and tool in housing and press bearing into
housing, until tool is bottomed out against hub of housing
(Fig. 3B3-33).
3. Lubricate the lips of the oil seals with Power Steering
Fluid, No. 1050017 or equivalent.
4. Install the pitman shaft oil seals as follows:
a.
Place Adapter J-6278-2 over Tool J-6278, then install
the outer seal (double lip), back-up washer, and inner seal
with the lips of the seals facing away from the adapter (Seal
identification toward adapter).
b. Drive the seals into the housing until the top of
Adapter J-6278-2 is flush with the housing (Fig. 3B3-34).
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