Pontiac FIREBIRD 1972 Service Manual page 1090

7G-52 1972 PONTIAC SERVICE MANUAL
DRIVEN GEAR
h .
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DRIVE GEAR
Fig. 7G-81 Removing Drive and Driven Gears
NOTE: Washerhas one (1) large tang and con-
trols end play of transmission.
'
8. Lift pump cover and stator shaft assembly from
pump body.
9. Mark drive and driven gears for aid in re-assembly
and remove gears from pump body (Fig. 7G-81).
10. If necessary to replace the cooler by-pass valve, fill
the cooler by-pass passage with grease, insert Tool J
2307 1 into passageway and force the by-pass valve
seat, check ball and spring from the pump body (Fig.
76-82).
11. If necessary to replace oil pump body oil seal, place
pump body on wood blocks so machined face surface
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COOLER BY-PASS VALVE
\-- J
23071
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Fig. 7 6 - 8 2 Removing By-Pass Valve Seat
PUMP-TO-CONVERTER
PUMP BODY
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Avi
WOOD BLOCKS
Fig. 7 6 - 8 3 Removing Pump Body Lip Oil Seal
is not damaged and remove pump body-to-converter
hub lip oil seal with screwdriver or a small pry bar.
Discard seal (Fig. 76-83).
INSPECT (Fig. 7G-84)
Wash all parts in cleaning solvent, blow out all oil
passages and air dry.
Inspect pump drive and driven gears, gear pocket and
crescent for nicks, galling or damage.
Inspect pump body and pump cover faces for nicks
or scoring.
Inspect pump cover hub outer diameter for nicks or
burrs which might damage direct clutch drum bush-
ing.
Check three (3) pump cover and hub lubrication
holes to make certain they are NOT restricted.
Inspect pump body bushing for galling or scoring.
Check clearance between pump body bushing and
converter hub
-
maximum clearance is .005". If bush-
ing is damaged, pump body should be replaced.
With parts clean and dry, install pump gears in pump
body and check pump body face-to-gear face clear-
ance. Should be .0008" minimum to .0035" max-
imum.
Inspect pump body-to-converter hub lip oil seal. If it
was replaced as above, inspect converter hub for
nicks or burrs which might have damaged pump lip
oil seal or pump body bushing.
Check condition of cooler by-pass valve and replace