GMC T Series 1994 Repair Manual page 752

55 PIN, FRONT SERVO PISTON
56 RING, FRONT SERVO SPRING RETAINER
57 RING, OIL SEAL
58 PISTON, FRONT SERVO
60 SPRING, FRONT SERVO PISTON
Figure 104 Front Servo Assem bly
BAND APPLY PIN CHECK
Figures 105,106 and 107
Tools Required:
J 21370-10 Gage Pin
J 38737 Band Apply Pin Checking Tool
| ^ | Measure
1. Place J 21370-10 in the servo pin bore.
2. Position J 38737 over the bore with the hex nut
facing the parking pawl linkage.
3. Fasten with two servo cover bolts (61).
Tighten
• Bolts (61) to 24 N*m (18 lb. ft.).
4. Make sure J 21370-10 moves freely in the tool
and pin bore.
5. To determine correct pin length apply 25 lb. ft.
torque to the nut on the gage.
6. For pin selection, see Figure 107.