Speed Sensor And Case Extension - GMC T Series 1994 Repair Manual

12 SPRING, SERVO RETURN
13 PIN, 2ND APPLY PISTON
14 RING, RETAINER (2ND
APPLY PISTON)
15 RETAINER, SERVO
CUSHION SPRING
16 SPRING, SERVO CUSHION
17 PISTON, 2N D APPLY
18 RING, OIL SEAL (2ND
APPLY PISTON - OUTER)
19 RING, OIL SEAL (2ND
APPLY PISTON - INNER)
Figure 120 2-4 Servo Bore

Speed Sensor and Case Extension

F ig u re s 123
Tools Required:
J 23103 or J 25016 Seal Installer
J 21426 Seal Installer
J 38417 S peed S en so r R em o v er and
Installer
0
Install or Connect
1. O-ring seal (691) on the output shaft sleeve.
2. Output shaft sleeve (690) on the output shaft.
• Use J 25016 or J 23103.
• Do not push the sleeve past the machined
surface on the output shaft.
1 3 - 2 4
HO USING , SERVO PISTON
(INNER)
21 SEAL, O-RING
22 SPRING, SERVO APPLY PIN
23 WASHER, SERVO APPLY
PIN
24
RING, RETAINER (APPLY
PIN)
PISTON, 4TH APPLY
25
28 COVER, 2-4 SERVO
29 RING, SERVO COVER
RETAINING
R H 0 1 0 1 -4 L 6 0 -E
3. Seal ring (37) on the case extension.
4. Case extension (31) and bolts (32).
• Position extension so the speed sensor bore
is on the gear selector lever side of the
case.
Tighten
• Torque to 35 N*m (26 lb. ft.).
Remove case extension oil seal (34).
A. Pry out with a screwdriver.
B. Install new seal with J 21426.
6 Speed sensor (36) with J 38417.
.
Retainer, bolt and washer (34).
7.
Outside electrical connector, gear selector lever
and nut.
Figure 121 Output Shaft Sleeve and Seal