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383-24
1977 PONTIAC SERVICE MANUAL
..--
FRONT
FRONT
PLATE
30 1
-
REAR
GENERATOR
350
(CODE P) AND
400
(EXCEPT WITH
80
AMP. GENERATOR)
3. Connect and torque hose fitttngs to 35 ft. Ibs. Refer
to Figures 3B3-64A thru 3B3-64E for hose routing details.
4. Fill reservoir with fluid No. 1050017 or equivalent.
Bleed pump by turning pulley backward (counterclockwise
as viewed from front) until air bubbles cease to appear.
5. Install pump belt over pulley.
6. Move pump until belt is tight, then torque mounting
screws. Do not pry on reservoir or pull on filler neck.
7. Adjust belts. Refer to Pump Belt Adjustment.
8. Bleed system. Refer to Bleeding Power Steering
System.
Fig. 383-63A Power Steering Pump Mounting
-
301, 3 5 0 (Engine Code P) and 4 0 0 Engines
Cleaning and Inspection
Carefully clean all pump parts in cleaning solvent.
Replace any damaged or worn parts.
1. Inspect flow control valve assembly for score marks,
wear, burrs or other damage.
2. Inspect castings for cracks or other visual evidence of
damage. Check machined surfaces, especially mating surfaces
on "0" ring seats, for scratches or burrs that might permit
leaks. Examine the V-shaped notches at edges of discharge
ports on pressure plate. These notches must be clean and
undamaged if pump noise is to be avoided, as they cushion
the hydraulic shock when each vane passes the port.
3. Inspect pump ring end surfaces for score marks.
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