GMC T Series 1994 Repair Manual page 750

Figure 98 Installing Fourth Clutch Snap Ring
PUMP ASSEMBLY
Figures 99 and 100
E
Install or Connect
1. Gasket (6) on transmission case (7) using guide
pins J 25025-1 at 12 o 'clock and 5 o'clock
position.
2. Oil pump assembly (4) in transmission case (7)
using J 37789, bolt holes closest together are
towards channel face.
3. Six bolts (3).
Tighten
• Bolts (3) to 24 N*m (18 lb. ft.).
| 9 | Important
• If turbine shaft cannot be rotated as pump
assembly is being pulled into place, the overrun,
4th, forward and/or direct clutch housings have
not been installed properly to index with all the
clutch plates. This condition must be corrected
before pump assembly is fully installed.
2 SEAL, O-RING (TURBINE SHAFT/TURBINE HUB)
BOLT AND SEAL ASSEMBLY, PUMP TO CASE
3
PUMP ASSEMBLY, COMPLETE
4
SEAL, OIL PUMP TO CASE
5
GASKET, PUMP COVER TO CASE
6
WASHER, THRUST SELECTIVE
218
219 RING, OIL SEAL
Figure 100 Gasket and Pump Assem bly
FRONT UNIT END PLAY CHECK
Figures 100 through 103
Tools Required:
J 8001 Dial Indicator
J 38694 Pump Seal Installer
[ T | Important
If end play procedures are not closely adhered
to, incorrect shim thickness will be selected
resu ltin g in severe dam age to internal
transmission components.
Measure
Install J 8001.
1.
2. Eliminate slack by pressing down on turbine shaft
(502) and with J 28585 up on output carrier.
Then pull up with 3 to 5 lbs. of force on turbine
shaft to eliminate any clearance between snap
ring (522) and overdrive carrier (514).
J 37789
RH0188-4L80