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7A2-30
1977 PONTIAC SERVICE MANUAL
Fig. 7A2-61 Removing Pump Cover to Body Attaching
Bolts
Fig. 7A2-62 Pump Hub Oil Seal Rings
Clearance should be .0005"-.0015" (Fig. 7A2-64).
Reassembly
1. Replace hub lip seal if defective in the following
manner:
a. Place pump body on wood blocks and pry out
defective seal (Fig. 7A2-65).
b. Coat outer diameter of new seal with a non-hardening
sealer and install, using seal installer J 21359 to seat fully in
counterbore (Fig. 7A2-66).
2. Install pump drive and driven griven gears into pump
body with alignment marks up.
3. Install direct clutch drum selective thrust washer over
pump cover delivery sleeve.
4. Install three (3) direct clutch to pump hub hook-type
oil seal rings. Install two (2) forward clutch to pump hub
hook-type oil seal rings.
PUMP COVER A N D
STATOR SHAFT
ASSEMBLY
PUMP BODY,
Fig. 7A2-63 Removing Pump Cover From Pump Body
Fig. 7A2-64 Checking Pump Body Face to Gear Face
Clearance
CAUTION: Check pump cover and body oil
passages to make sure they are not restricted (Figs.
7A2-68
and 7A2-69).
5. Install pump outside diameter to case (square cut)
"0" ring seal.
6. Align pump body to cover and install five (5) attaching
bolts. Tighten bolts to 18 lb. ft.
DIRECT CLUTCH (FIG. 7A2-70)
Disassembly
1. Remove direct clutch pressure plate to clutch drum
retaining ring and pressure plate (Fig. 7A2-71).
2. Remove three lined drive plates and three steel driven
plates (Fig. 7A2-72).
3. Using Compressor Tool J 23327-1, remove direct
clutch piston return spring seat retaining ring, spring seat and
seventeen (17) clutch return coil springs (Fig. 7A2-73).
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