7E-30
1968
PONTIAC
SERVICE
MANUAL
RETAINING
PIN'
PUMP
COVERS
-BORE
PLUG
THRUST
WASHER
REGULATOR
SPACER
\
REGULATOR SPRING
BOOST BUSHING
- \
REGULATOR VALVE
\
\
\
'
RETAINER WASHER
\ BOOST VALVE
, SNAP RING
Fig.
7E-69 Exploded View
of
Pump Cover
PRESSURE
REGULATOR
SPACER
REGULATOR
f
\
SPRING
RETAINER
WASHER
PUMP
ASSEMBLY
J
6116-
Fig.
7E-71
Removing Pressure Regulator Valve
INSPECTION
OF
PUMP BODY
AND
COVER
1. Inspect drive gear, driven gear, gear pocket
and
crescent for 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
MO3
REGULATOR
BOOST VALVE
BUSHING
AND
VALVE
REGULATOR
SPRING
v
11
PUMP
ASSEMBLY
RETAINING
PIN
BORE
PLUG
\
* PUMP COVER
Fig.
7E-70 Removing Pump Regulator Valve Snap Ring
Fig.
7E-72 Installing Pressure Regulator Retaining
Pin
and
Bore PIug
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