GMC T Series 1994 Repair Manual page 668

| ^ | Assemble
Figure 103
• O-ring seal (618) into the groove in the end of
the turbine shaft.
| V | Important
• There should be clearance between the reverse
input clutch and the reaction sun gear shell.
This clearance can be observed at the point
shown in Figure 105. Do not try to shim the
internal parts because of this clearance (Figure
104).
,
0 i
USED W ITH
298m m CONVERTER
A SHAFT, TURBINE
618 SEAL, O-RING (TURBINE SHAFT/ SELECTIVE WASHER)
621 HOUSING A N D SHAFT ASSEMBLY, INPUT
Figure 103 Turbine Shaft O-Ring Seal
A AS INSTALLED THESE TW O PARTS HAVE A NORMAL
END CLEARANCE OF APPROX. 3.8m m (.150")
8 CASE T R A N SM ISSIO N
605 H O U SIN G A N D D RUM ASSEMBLY, REVERSE INPUT
CLUTCH
670 SHELL, REACTION SU N
Figure 104 Clearance Between Reverse Input Clutch
and Sun Gear Shell
Wm
621
& ,
USED W ITH
245m m CONVERTER
RH0152-4L60-E
RH0193-4L60-E
[ y | Inspect
Figures 105, 106 and 107
• The 1-2 accumulator cover and pin assembly
(57) for:
- Porosity or damage.
- Scored piston wall.
- Plugged oil passage.
• 1-2 accum ulator piston (56) and the 3-4
accumulator piston (44) for:
- Porosity.
- Ring groove damage.
- Pin hole damage.
• 1-2 a cc u m u la to r sp rin g
accum ulator spring (46) for distortion or
damage.
• Spacer plate (48) and gaskets (47 and 52) for
damage.
• Checkballs (61) for damage.
• Manual detent spring (63) for damage.
• Oil filter (72) for:
- Cut or damaged filter seal (71).
- Cracks in the neck or body.
- Casting flash in the neck.
• Solenoid assembly (66) for:
- Damage.
- Cut or pinched wires.
- Damaged connectors.
- Cut or damaged O-ring (65).
(54) and 3-4