GMC 1989 Light Duty Truck, Repair Manual, Page: 703 / 998

700-R4 AUTOMATIC TRANSMISSION 7A1-7
ILL.
NO
D E S C R IP TIO N
1 0 C A S E , T R A N S M I S S I O N
3 5 S E A L , C A S E E X T E N S I O N T O C A S E
3 6 E X T E N S I O N , C A S E
3 7 BOLT, C A S E E X T E N S I O N T O C A S E
3 9 S E A L A S S E M B L Y , C A S E E X T E N S I O N OIL
4 0 R E T A I N E R , S P E E D O D R I V E N G E A R F IT T IN G
41 B O L T & W A S H E R A S S E M B L Y
4 2 S E A L , " 0 " R IN G ( S P E E D O F IT T I N G T O
C A S E E X T E N S I O N )
4 3 F IT T I N G A S S E M B L Y , S P E E D O D R I V E N G E A R
4 4 G E A R , S P E E D O D R I V E N
4 5 G O V E R N O R A S S E M B L Y
4 6 C O V E R , G O V E R N O R
9 9 S P E E D S E N S O R , I N T E R N A L T R A N S M I S S I O N
1 0 0 BOLT, S P E E D O S E N S O R R E T A I N I N G
6 8 7 S H A F T , O U T P U T
6 8 8 CLIP, S P E E D O D R I V E G E A R
6 8 9 G E A R , S P E E D O D R I V E
6 9 0 S L E E V E , O U T P U T S H A F T
N O T U S E D O N
6 9 1 S E A L , O U T P U T S H A F T A L L M O D E L S
JH 0 0 6 1 -7 0 0 R 4 -R 1
Figure 9 Extension and Asso ciate d Parts
2. Install J-25022-A or J-34725 as shown.
3. Install J-24773-A as shown.
4. Install dial indicator.
set to zero
pull up on J-24773-A
end play should be 0.13/0.92 mm (.005/.
036 in.).
Oil Pump Assembly
1.
2
.
3.
4.
5.
Remove or Disconnect (Figures 22 and 23)
TOOLS REQUIRED:
J-24773-A Oil Pump Remover
“O” ring seal (618)
All oil pump bolts (5) and o-rings (6)
Oil pump assembly (7) with J-24773-A
Oil pump to case seal (8) and gasket (9)
Reverse input clutch to oil pump thrust washer
(601)
ILL.
N O .
D E S C R IP TIO N
1 0 C A S E , T R A N S M I S S I O N
3 3 C O N N E C T O R , E L E C T R I C A L
3 4 S E A L , ” 0 ” R IN G ( E L E C T R I C A L C O N N E C T I O N )
4 9 S E A L , " 0 " R IN G ( S O L E N O ID )
5 0 S O L E N O I D A S S E M B L Y
51 BOLT, H E X W A S H E R H E A D ( S O L E N O I D )
5 6 P L A T E , V A L V E B O D Y S P A C E R
6 7 V A L V E A S S E M B L Y , C O N T R O L B O D Y
7 0 S E A L , FILT ER
71 FILTER A S S E M B L Y , T R A N S M I S S I O N OIL
7 2 G A S K E T , T R A N S M I S S I O N O IL P A N
7 3 P A N , T R A N S M I S S I O N OIL
7 4 S C R E W , S P E C . H E X W A S H E R H E A D (P A N )
8 8 G A S K E T , S P A C E R P L A T E T O C A S E
8 9 G A S K E T , S P A C E R P L A T E T O V A L V E B O D Y
9 3 M A G N E T , C H I P C O L L E C T O R
9 6
T U B E , A U X I L I A R Y A C C U M U L A T O R V A L V E
3 7 7 A U X I L I A R Y A C C U M U L A T O R V A L V E
B O D Y A S S E M B L Y
__________________________________________ JH 0 0 6 2 -7 0 0 R 4 -R 1
Figure 1 0 Case an d A tta c h in g Parts