Oil Pump Disassembly, Inspection - Buick LeSabre 1965 Service Manual

5 - 1 2 0 DISASSEMBLY & ASSEMBLY
SUPER TURBINE " 4 0 0 "
Figure 5-581
c. Reassembly
1. Install front a c c u m u l a t o r
spring and piston into valve body.
2. Install special Tool J-21885,
and compress spring and piston
and secure with retaining "E"
ring. See Figure 5-581.
NOTE: Align piston and ring
when entering bore.
3. If the 1-2 accumulator valve
train was removed, install the 1-2
primary spring in the 1-2 pri-
mary valve into bore using a re-
taining pin as a retractor to hold
the spring and valve in its operat-
ing position until bushing and 1-2
accumulator valve and spring is
installed. See Figure 5-582.
4. Install the 1-2 accumulator
secondary valve (wide land first)
into the 1-2 accumulator bushing.
See Figure 5-582.
5. Install the 1-2 accumulator
valve bushing into the bore.
6. Install retaining pin to hold 1-2
accumulator secondary valve.
7. Install the 1-2 accumulator
valve, secondary spring and 1-2
accumulator plug into the bushing.
See Figure 5-582.
8. Install adjusting screw and re-
locate to the measured position
on removal.
9. In the next bore up, install the
detent spring and spacer. Com-
press spring and secure with
small screwdriver. See Figure
5-581A.
10. Install the detent regulator
valve. Wide land first. See Fig-
ure 5-582.
11. Install the detent valve, nar-
row land first. See Figure 5-582.
12. Remove the screwdriver as
the bore plug (hole out) and re-
taining pin are installed. See Fig-
ure 5-582.
13. In the lower right hand bore,
install the 3-2 valve. See Figure
5-582.
14. Install the spacer, bore plug
(hole out) and retaining pin. See
Figure 5-582.
15. In the next bore up, install
the 2-3 valve, stem end out, and
3-2 intermediate spring. See Fig-
ure 5-582.
16. Install the 2-3 modulator
valve into the bushing and install
both parts into the valve bore.
See Figure 5-582.
17. Install the 2-3 valve spring,
and install the retaining pin. See
Figure 5-582.
1-2 valve, stem end out. See
Figure 5-582.
19. Install the 1-2 regulator
valve, spring and detent valve,
into the bushing, aligning spring
in bore of detent valve, and install
parts into the valve bore. See
Figure 5-582.
20. Compress the bushing against
the spring and install the retain-
ing pin. See Figure 5-582.
21. Install the manual valve with
detent pin groove to the right. See
Figure 5-582.
5 - 1 9 OIL PUMP
DISASSEMBLY,
INSPECTION AND
REASSEMBLY OF
OIL PUMP
a. Disassembly
1. Remove stator solenoid attach-
ing bolts and solenoid and pump
to case gasket. See Figure 5-583.
2. Place pump assembly in hole
in bench.
3. Compress the regulator boost
valve bushing against the pres-
sure regulator spring and remove
the snap ring, using J-5403
pliers. See Figure 5-584.
GASKET
STATOR SOLENOID
Figure 5-581A
18. In the next bore, install the
Figure 5-583