Pontiac FIREBIRD 1972 Service Manual page 1091

TURBO HYDRA-MATIC (M-38) TRANSMISSION 76-53
SQUARE CUT -0- R I N G SEAL
INTERMEDIATE CLUTCH
HUB LIP SEAL PISTON ASSEMBLY
'PRIMING VALVE
DIRECT CLUTCH
FORWARD CLUTCH
TO PUMP H U 0 TEFLON
DRUM TYPE RINGS (2)
THRUST WASHER
VALVE SEAT
\ , B
DIRECT CLUTCH TO PUMP
HUB H O O K TYPE OIL
DRIVE GEAR
SEAL RINGS (3)
PUMP BODY ASSEMBLY
PUMP COVER A N D STATOR
INTERMEDIATE CLUTCH
3HAFT ASSEMBLY
RETURN SPRINGS (20)
'PRIMING VALVE: FOR SERVICE PUMPS ONLY
PUMP
C O V E R TO PUMP BODY
/
ATTACHING BOLTS (5)
d
Fig. 76-84 Exploded V i e w of
Oil
P u m p
if valve leaks excessive1 y.
0. Check all springs for distortion or collapsed coils.
1. Check oil passages in pump body (Fig. 76-85) and in
pump cover (Figs. 76-86 and 76-87).
2. Inspect three (3) pump cover stator shaft bushings for
galling or scoring. If any of these bushings is da-
maged, replace bushing(s) as follows:
STATOR SHAFT FRONT BUSHING
-
REPLACE
1. Thread Bushing Tool J 21465-15 into stator shaft
front bushing, thread Slide Hammer J 2619 and
Adapter J 2619-4 into Bushing Tool and clamp Slide
Hammer handle into vise. Grasp pump cover hub
and remove bushing. Discard bushing (Fig. 76-88).
COOLER OUT
FROM RADIATOR
I
I DIRECT CLU
0 RADIATOR
I
OUTER
I
~
CONVERTER FEED
DIRECT CLUTCH
-l L
EXHAUST
Fig. 7G-85 P u m p B o d y
Oil
Passages
(
5 l PUMP BODY T O C O V E R
INTERMEDIATE CLUTCH (APPLY
/
BOLT HOLES
BREATHER
DRAIN
TO R A D I A T O R )
( 0 J PUMP
T O CASE
BOLT H O L E S
PUMP SEAL D R A I I
EXHAUST
REVERSE
1
DIRECT
CLUTCH OUTER
I
F O R W A R D CLUTCH
P l l Y P
P P F C q I I P F
-
. . . .
.
. .
-
-
- -
. .
-
L
CONVERTER FEED
Fig. 76-86 Pump Cover (Case Face)
Oil
Passages