Pontiac tempest 1968 Service Manual page 465

7E-30 1968 P O N T I A C SERVICE MANUAL
RETAINING P I N '
PUMP C O V E R S
- B O R E PLUG
THRUST W A S H E R
REGULATOR SPACER
\
REGULATOR SPRING
B O O S T BUSHING - \ REGULATOR VALVE
\ \
\ ' RETAINER WASHER
\ B O O S T VALVE
, SNAP RING
Fig. 7 E - 6 9 Exploded View of Pump Cover
PRESSURE REGULATOR
SPACER
R E G U L A T O R
f
\
S P R I N G
RETAINER
WASHER
PUMP ASSEMBLY
J 6 1 1 6 -
Fig. 7E-71 Removing Pressure Regulator V a l v e
INSPECTION OF PUMP BODY AND COVER
1. Inspect drive gear, driven gear, gear pocket
and crescent f o r scoring, galling or other damage.
8. Remove retaining pin and bore plug from pres­
sure regulator bore (Fig. 7E-72).
9. Remove hook type oil rings from pump cover.
2. Place pump gears in pump and check pump
body face to gear face clearance, should be .0008"-
.0015" (Fig. 7E-74).
3. Check face of pump body for'"scores or nicks.
10. Remove pump to forward clutch housing selec­
tive washer (fiber).
11. Mark drive and driven gears for reassembly
and remove gears (Fig. 7E-73).
SNAP RING
j
M O 3
REGULATOR BOOST
V A L V E
BUSHING AND VALVE
REGULATOR SPRING
v 11
PUMP ASSEMBLY
RETAINING
PIN
BORE PLUG
\
* PUMP C O V E R
Fig. 7 E - 7 0 Removing Pump Regulator V a l v e Snap Ring
Fig. 7 E - 7 2 Installing Pressure Regulator Retaining
Pin and Bore PIug