Direct Clutch Assembly; Removing Direct Clutch Piston Inner And Outer Seals; Removing Direct Clutch Piston Center Seal - Pontiac Grand Prix Service Manual

7 6 - 2 8 1969
PONTIAC SERVICE MANUAL
Fug.
7G-68
Removing Direct Clutch Piston Inner and
Outer Seals
body bolts to 18 Ib. ft. and remove pump from case.
DIRECT CLUTCH ASSEMBLY
DISASSEMBLY
1. Separate direct clutch assembly from forward clutch
assembly and remove intermediate overrun clutch
retaining ring and retainer from direct clutch assembly
(Fig. 76-63).
2. Remove intermediate overrun clutch outer race.
NOTE: Before removal, check for correct assembly.
Outer race shouldfree wheel counterclockwise only.
3. Remove intermediate overrun roller clutch assembly
from direct clutch drum (Fig. 76-64).
4. Remove intermediate overrun clutch inner cam.
5. Turn over and remove direct clutch drum-to-forward
clutch drum needle roller bearing (Fig. 76-65).
6. Remove direct clutch pressure plate-to-clutch drum
retaining ring and remove pressure plate (Fig. 76-66).
7. On V-8 models, remove four (4) faced plates, four
(4) steel separator plates and direct clutch housing
cushion spring; on 6 cylinder models, remove three (3)
faced plates, three (3) separator plates and cushion
spring.
8. Using Clutch Spring Compress J 9542-1 and Pilot J
9542-4 (or J 23327-1 in arbor press), compress direct
clutch piston return spring seat and remove piston
retaining ring.
CENTER SEAL
Fig.
7G-69
Removing Direct Clutch Piston Center
Seal
9. Remove tools, spring seat, seventeen (17) 'piston
return springs and direct clutch piston assembly.
NOTE: Direct clutch piston
contains's
ball check (Fig.
76-67).
10. Remove outer and inner seals from direct clutch
piston and center seal from direct clutch drum hub
(Figs. 76-68 and 76-69).
INSPECTION
1. Wash all parts in cleaning solvent, blow out all oil
passages and air dry.
2. Inspect drive and driven clutch plates for signs of
burning, scoring or wear.
3. Check all springs for collapsed coils or signs of
distortion.
4. Inspect piston for cracks and free operation of ball
check (Fig. 76-67).
NOTE: Ball should be loose enough to rattle but not
come out.
5. Inspect overrun clutch inner cam and outer race for
scratches, wear or indentations (Fig. 76-70).
6. Inspect overrun roller clutch assembly rollers for
wear and roller springs for distortion.
7. Inspect clutch drum for wear, scoring, cracks, proper
opening of oil passages, wear on clutch plate drive lugs
and free operation of ball check (Fig. 76-71).
8.
Inspect direct clutch drum bushing for galling or
scoring. If bushing is damaged, replace as follows: