S10/T10 P/U 2WD V6-262 4.3L (1988)
-
Tighten poppet screw to 31 N-m (23 lbs.ft.).
-
New poppet plunger P/N 15633556 (70) group A vehicles only.
-
New poppet spring P/N 15633557 (71) group A vehicles only.
-
New poppet screw P/N 15633558 (68) group A vehicles only.
23.
Vacuum switch (46) and new O-ring P/N 14071849 (47) to the front case housing.
-
Tighten switch to 24 N-m (17 lbs.ft.).
24.
Front output flange (74), rubber sealing washer (75), washer (76) and flange nut (77).
-
Tighten nut (26) to 149 N-m (110 lbs.ft).
25.
New vent pipe P/N 15581915 in new front case half (group A vehicles only).
-
Lightly coat end of vent pipe with Loctite 609 (R) or equivalent.
26.
Transfer case into vehicle.
-
Refer to section 7D of the appropriate S/T Service Manual for complete transfer case replacement procedure.
Service Parts & Warranty Information
SERVICE PARTS INFORMATION:
The "Easy Shift" package consists of the following parts. Parts must be ordered individually.
Required Parts
Part
Quantity
Figure 1
Group A
Group B
Number
Description
Required
Reference
Trucks
Trucks
15635347
Front case half
1
45
X
15637215
Sector W/shaft
1
55
X
X
15637217
Mode shift fork
1
54
X
X
15633556
Poppet plunger
1
70
X
15633557
Poppet spring
1
71
X
15633558
Plug
1
68
X
14071849
O-ring
2
69 & 47
X
X
15581915
Vent Pipe
1
N/S
X
14095609
Input seal
1
42
X
14037958
Retainer
1
66
X
X
14095598
Range sector seal
1
67
X
X
15579788
Output front seal
1
72
X
15642511
Adapter gasket
1
N/S
X
X
15579803
Drive Sprocket
1
20
*
*
14071703
Synchronizer
1
28
*
*
Blocking Ring
*
These parts required only if damaged or in cases of customer complaint of clash when shifting from 2Hi to 4Hi.
Parts are currently available from GMSPO.
WARRANTY INFORMATION:
For vehicles repaired under warranty use:
Labor
Labor
Operation
Truck
Time
