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3
6
3-8
1977 PONTIAC SERVICE MANUAL
1. Ring. Retaining
2.
Seal, Stub Shaft Dust
7. Race. Upper Bearing (Large)
3. Seal. Stub Shaft
8.
Bearing. Upper Thrust
4. Bearing. Needle
9.
Race. Upper Thrust Bearing ( S m a l l )
5. Plug, Adjuster
10. Spacer, Thrust Bearing
6.
Seal,
"0"
Ring (Adjuster) 11. Retainer, Bearing
Fig. 383-1 5 Adjuster Plug Assembly
NEEDLE BEARING
\
RETAINER
SCREW DRIVER
0980
Fig. 3 8 3 - 1 6 Removing Thrust Bearing Retainer
c. Carefully disengage the shaft pin from the spool valve
and remove the shaft assembly (Fig. 3B3-22).
3. Push the spool valve out of the flush end of the valve
body until the dampener
"0"
ring is exposed, then carefully
pull the spool from the valve body, while rotating the valve
(Fig. 3B3-23). If the spool valve becomes cocked, carefully
realign the spool valve, then remove.
4. Remove the dampener
" 0
ring from the spool valve
and discard.
5. If the teflon oil rings are to be replaced, cut the 3 teflon
oil rings and
"0"
rings from the valve body and discard.
Cleaning and Inspection
1. Wash all parts in clean solvent and blow out all oil
holes with compressed air.
2. If the drive pin in the stub shaft or valve body is
cracked, excessively worn or broken, replace the complete
valve and shaft assembly.
Fig. 3 8 3 - 1 7 Removing Seal and Bearing
3. If there is evidence of leakage between the torsion bar
and the stub shaft or scores, nicks, or burrs on the ground
surface of the stub shaft that cannot be cleaned up with crocus
cloth, the entire valve assembly must be replaced.
4. Check the outside diameter of the spool valve and the
inside diameter of the valve body for nicks, burrs or bad wear
spots. If the irregularities cannot be cleaned up by the use of
crocus cloth, the complete valve and shaft assembly will have
to be replaced.
5. If the small notch in the skirt of the valve body is
excessively worn, the complete valve assembly will have to
be replaced.
6. Lubricate the spool valve with Power Steering Fluid
No. 105001 7 or equivalent and check the fit of the spool valve
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