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383-1 0
1 9 7 7 PONTIAC SERVICE MANUAL
PIN FROM
HOLE IN
I
Fig. 383-22 Removing Stub Shaft Assembly
Fig. 383-23 Removing or Installing Spool Valve
the opposite end (spool valve flush with shaft cap end of valve
body).
5. Lubricate the shaft assembly with Power Steering
Fluid No.
1050017
or equivalent and carefully install it into
the spool valve until the shaft pin can be placed into the spool
valve.
6. Align the notch in the shaft cap with the pin in the
valve body and press the spool valve and shaft assembly into
the valve body (Fig. 3B3-24).
CAUTION: Make sure that the shafr cap notch
is mated wirh the valve body pin before installing
valve body into the gear assembly.
7. Lubricate a new cap to body
"0"
ring with Power
Steering Fluid No.
1050017
or equivalent and install it in the
shaft cap end of the valve body assembly.
PITMAN SHAFT AND SIDE COVER
Disassembly (Fig. 383-25)
Remove the locknut and unscrew the side cover from the
adjusting screw. Do not attempt to disassemble pitman shaft.
Discard locknut.
Cleaning and lnspection
I.
Wash all parts in clean solvent and dry with
compressed air.
NOTCH I N FND C A P hlUST FULLY
FNGAGE PIN PROJECTING INTO
VALVE BODY
I
I
Fig. 383-24 Installing Stub Shaft Assembly
Fig. 383-25 Pitman Shaft and Side Cover
2. Check pitman shaft bearing surface in the side cover
for scoring. If badly worn o r scored, replace the side cover
assembly.
3. Check the sealing and bearing surfaces of the pitman
shaft for roughness, nicks, etc. If minor irregularities in
surface cannot be cleaned by use of crocus cloth, replace the
pitman shaft.
4. Replace pitman shaft assembly if teeth are damaged
or if the bearing surfaces are pitted or scored.
5. Check pitman shaft lash adjusting screw. It must be
free to turn with no perceptible end play. If adjusting screw
is loose replace the pitman shaft assembly.
Assem bly
Thread the side cover onto the pitman shaft adjusting
screw until it bottoms and then turn in
1 / 2
turn. Install a new
adjusting screw locknut, but do not tighten.
RACK-PISTON
Disassembly
1. Thread the worm out of the rack-piston, remove ball
return guide clamp, guide halves and balls.
2.
If necessary to replace the teflon oil seal and
"0"
ring,
remove at this time.
Cleaning and lnspection
I. Wash all parts in clean solvent and dry with
compressed air.
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