GMC T Series 1994 Repair Manual page 858

Figure 16— Synchronizer Hub Assembly and Mode
20. Dowels (33) into front case half.
• Wipe case mating surfaces clean.
•A p p ly RTV sealer (GM P/N 1052366) to case
mating surfaces.
21. Rear case half (17) over mainshaft (19) and onto
front case half (45).
•B e careful not to damage the oil pump (12)
while installing the rear case half (figure 7).
22. Case bolts (3) into case halves.
• Apply Loctite 242 or (GM P/N 12345382) to the
case bolts (3).
• The two longer case bolts and washers into the
doweled case holes (33) (figure 17).
Tighten
• Bolts (3) to 31 N-m (23 lbs. ft.).
23. Retainer (snap ring) (10), speedometer tone wheel
(11), and retainer (snap ring) (10) to the mainshaft
(19).
24. Pump retainer housing (8) and pump retainer bolts
(7) to the rear case half (17).
• A p p ly Loctite 242 or (GM P/N 12345382) to
pump housing bolts.
• Pump bolts (7) are shouldered.
Fork
25. Output bearing retainer (snap ring) (5) to the main­
shaft (19).
26. Rear extension housing (4) and extension bolts (3)
to the pump retainer housing (8).
•A p p ly RTV (GM P/N 1052366) to the mating
surfaces.
• Apply Loctite 242 or (GM P/N 12345382) to the
extension housing bolts.
S X
Tighten
• Bolts to 31 N-m (23 lbs. ft.).
EXTERNAL COMPONENTS
|-n -| Install or Connect (Figures 3 and 4)
N O T IC E : F o r s t e p s 1 t h r o u g h 4, r e f e r to " N o ­
t ic e " o n p a g e 7 D 2 -1 .
1. Selection plunger (70), poppet spring (71), O-ring
seal (69), and poppet screw (68) to the front case
half (45).
Q
Tighten
• Poppet screw to 15 N-m (11 lbs. ft.).
2. Speedometer sensor (9) and O-ring (85) to the
pump retainer housing (8).
Tighten
$
• Sensor to 31 N-m (23 lbs. ft.).
3. Four wheel drive actuator switch (46) and O-ring
(47) to front case half (45).
Tighten
• Switch to 24 N-m (17 lbs. ft.).
4. Front output flange (74), rubber sealing washer
(75), washer (76), and flange nut (77).
Tighten
• Nut (77) to 200 N-m (150 lbs. ft.).