GMC C Series 1993, Repair Manual

Page: 89 / 264

4B2-2 REAR AXLE CONTROLS
Important
• Do not disturb the switch spring (7).
Clean (Figure 1)
• All metal parts in solvent and air dry.
• RTV sealer from the cover (1), housings (6 and
15), and motor (9).
• Use carburetor cleaner sparingly to clean all seal­
ing surfaces on the housings (6 and 15), and motor
(9). Solvents that contain mineral spirits should not
be used.
ASSEMBLY
0
Install or Connect (Figures 1, 2, 3, and 4)
NOTICE: For steps 3, 7, 9, 12, and 14, see
•'NOTICE
"
on page 4B2-1.
9
Important
! • Lubricate parts only where noted with Rheolube
362 (or equivalent). Use of other types of lubri­
cant may cause operational problems at low
temperature conditions.
• Use an RTV sealant (GM P/N 1052366 or
equivalent) on all sealing surfaces where noted.
1. Cam pins (8). Apply a light coat of lubricant to each
pin before assembly.
• Lubricate the washer, gear teeth, and shaft.
2. Washer (12), gear, and shaft (11).
3. Nut (13). •
Tighten
• Nut to 8.5 N m (75 in. lbs.). Hold the gear end
of the shaft with pliers while tightening the nut.
Inspect
• Rotate the gear to be sure no binding is pre­
sent. Ripht hand rotation is prevented by com­
ponent design.
4. Slider block (14) in housing (6).
A: Lightly lubricate the full length Of the shaft (17).
B. Fill the gear pin slot in the slider block with
lubricant.
G: Fill the cavity next to the gear with lubricant.
The cavity is adjacent to the motor shaft hole.
18. BLK
19. RED
20. GRN
Figure 2—Coyer Connector Wire Connections