GMC 1989 Light Duty Truck, Руководство по ремонту, Страница: 821 / 998

180C AUTOMATIC TRANSMISSION 7A3-13
J-230 85
Figure 3 8 G a g in g Tool in Position
3. Five oil pump to converter bolts.
4. Separate the oil pump from the converter
housing.
5. Oil pump wear plate.
6. Oil pump gears.
1. R E T A I N I N G R IN G
2. R E T A I N I N G S E A T
3. R E T U R N S P R IN G S
(24 R E Q U I R E D )
4. R E V E R S E PIS TON
I N N E R S E A L
5. R E V E R S E PISTO N
6. R E V E R S E PISTO N
O U T E R S E A L
7. O I L PUMP-TO-CASE
G A S K E T
8. S E L E C T I V E W A S H E R
9. O I L PUMP
10. O I L PUMP O U T E R
O I L S E A L
11. W E A R P L A T E
12. C O N V E R T E R H O U S I N G
H-180C-46
Figure 4 0 Exp lod ed V i e w of C o n v e r te r Housing, Oil
P u m p and Reverse Clutch
Figure 41 M a r k in g Location of Oil P u m p G e a r
H-180C-48
Figure 3 9 S ele c tiv e W a s h e r Ch art
C o n v e rte r H ousing, O il Pum p and Reverse
C lu tch
Remove or Disconnect (Figures 40 and 41)
1. Oil pump to case gasket.
2:
Oil pump outer square cut gasket.
❖
1.
2 .
3.
4.
5.
Disassemble (Figures 40 and 42)
Tools Required
J-23327 Clutch Spring Compressor
Install J-23327.
Compress the reverse clutch return springs.
Retaining ring.
Release the reverse clutch return springs.
DO NOT LET SPRING SEAT CATCH IN
R IN G GROOVE.
Remove J-23327, spring seat, and return springs.
INCORRECT
H-180C-45
WHEN M EASURED GAP (A ) IS ;
INCHES mm
.0 6 9 - .074
.0 75 - .0 79
.0 8 0 - .084
.085 - .08 9
.0 9 0 - .094
.09 5 - .1 00
1.78 - 1.88
1.93 - 2. 03
2. 06 - 2.16
2. 18 - 2.2 9
2.31 - 2.41
2.46 - 2.57
USE W ASHER
PART NUMBER
5 2 5 8 2 0 2
5 2 5 8 2 0 3
5 2 5 8 2 0 4
5 2 5 8 2 0 5
5 2 5 8 2 0 6
5 2 5 8 2 0 7
F O L L O W IN G T H E P R O C E D U R E S H O U L D R E S U L T
IN F I N A L E N D - P L A Y F R O M 0 .3 6 mm T O 0 .7 9 mm
(.014 in. T O .031 in.)