Pump Vanes Installed; Installing End Plate; Installing Pressure Plate Spring - Pontiac Grand Prix Service Manual

STEERING 9-51
PUMP
V A N E S
Fig. 9-98 Installing End Plate
Fig. 9-96 Pump Vanes Installed
permanent distortion with resulting pump failure.
(Pressure plate will travel about 1
/
16" to seat.)
8. Install end plate O-ring.
9. Install pressure plate spring in center groove of
pressure plate (Fig. 9-97).
10. Lubricate outside diameter of end plate with
petroleum jelly to insure against damaging O-ring and
install in housing using an arbor press.
11. Install end plate retaining ring while pump is in
1
grbor press. Be sure it is completely seated in the
groove of the housing (Fig. 9-98).
12. Install flow control spring and flow control
plunger. Be sure end with screen goes into bore first.
13. Install mounting bolt and union O-rings.
14. Drop reservoir into place and press dbwn until
reservoir seats on housing.
15. Install studs and outlet union, and torque to 35 lb.
ft. Install drive shaft key. Support shaft on opposite
side of key when installing key.
INSTALL
1. Position pump assembly on mounting bracket with
holes lined up and install bolts loosely (Figs. 9-88 and
9-89).
2. Slide pulley on shaft. 3. Install pulley nut finger-
-tight.
4. Connect and tighten hose fitting. Tighten outlet
fitting to.25 ,lb. ft. torque.
5. Install pump belt over pulley last to avoid damage
to belt.
6. Move pump until belt has 143 lbs. as indicated on
the Burroughs gage for initial tension of a new belt,
tighten used belt to 103 lbs. Tighten mounting bolts
to .30 lb. ft. torque.
7. Tighten pulley nut to 60 lb. ft. torque.
Fig. 9-97 Installing Pressure Plate Spring
8. Fill reservoir with GM power steering fluid or
equivalent. Bleed pump by turning pulley backward