Hummer H1 (2006+). Manual — part 211
5-84
Transmission/Transfer Case
_______________________________________________
Figure 5-103: Oil Pump Assembly Installation
Figure 5-104: Chip Magnet Installation
37. Apply 3/16 in. (5 mm) wide bead of Loctite 518, Permatex Ultra Black or Ultra Copper to the flange surface of the rear
retainer.
38. Align and install the rear retainer (Figure 5-108). Install and tighten the retainer bolts to 22-25 lb-ft (30-34 N•m).
39. Install the mainshaft bearing snap ring (Figure 5-108).
40. Apply 3/16 in. (5 mm) wide bead of Loctite 518, Permatex Ultra Black or Ultra Copper to the extension housing flange.
41. Align and install the extension housing on the rear retainer (Figure 5-109). Install and tighten the housing bolts to 20-25 lb-ft
(27-34 N•m).
42. Check the seal contact surface of the front yoke. Smooth surface with 320-400 grit, use emery if necessary. Then lubricate the
seal surface with Dexron III and install the yoke, new seal washer and a new yoke nut. Tighten the yoke nut to 130-200 lb-ft
(176-271 N•m). Use yoke tool J–8614-01 to hold the yoke while tightening the nut (Figure 5-110).
OIL PUMP
REAR
OIL PICKUP
SCREEN
CASE
PICKUP
NOTCH
CASE
TUBE
CHIP
MAGNET
FRONT
CASE
10-1-08
_______________________________________________
Transmission/Transfer Case 5-85
5745804
Figure 5-105: Rear Case Installation
Figure 5-106: Tone Wheel Speedometer Installation
REAR
CASE
DOWEL
OIL
PUMP
SNAP RING
TONE WHEEL
SNAP RING
MAINSHAFT
10-1-08
5-86
Transmission/Transfer Case
_______________________________________________
Figure 5-107: Installing Mainshaft Bearing In Rear Retainer
Figure 5-108: Rear Retainer and Mainshaft Bearing Snap Ring Installation
Figure 5-109: Extension Housing Installation
TOOL
J–33832
BEARING
TOOL
HANDLE
J–8092
REAR
RETAINER
SNAP
RING
MAINSHAFT
BEARING
REAR
RETAINER
EXTENSION
HOUSING
10-1-08
_______________________________________________
Transmission/Transfer Case 5-87
5745804
Figure 5-110: Front Yoke Installation
43. Install the drain plug in the rear case. Tighten the plug to 15-25 lb-ft (20-33 N•m).
44. Apply Loctite PST to the threads of the indicator switches and the speed sensor.
45. Install the indicator switches. Tighten the switches to 15-25 lb-ft (20-33 N•m).
46. Install the speed sensor. Tighten the sensor to 30-35 lb-ft (41-47 N•m).
47. The transfer case can be filled before or after installation in the vehicle. Tighten the fill plug to 15-25 lb-ft (20-33 N•m) after
fill.
TRANSFER CASE TORQUE SPECIFICATIONS
Case bolts (all)
Detent plug
Drain/fill plugs
Exhaust bracket nuts
Extension housing bolts
Front retainer bolts
Front output shaft yoke nut
Indicator switches (both)
Oil cooler tube nuts
Range lever nut
Rear retainer bolts
Speed sensor
Transfer case mounting nuts
20-25 lb-ft (27-34 N•m)
12-18 lb-ft (16-24 N•m)
15-25 lb-ft (20-33 N•m)
18-22 lb-ft (24-30 N•m)
20-25 lb-ft (27-34 N•m)
12-18 lb-ft (16-24 N•m)
130-200 lb-ft (176-271 N•m)
15-25 lb-ft (20-34 N•m)
150-230 in.-lb (17-26 N•m)
20-25 lb-ft (27-34 N•m)
22-25 lb-ft (30-34 N•m)
30-35 lb-ft (41-47 N•m)
20-26 lb-ft (27-35 N•m)
YOKE
NUT
SEAL
FRONT
FRONT
OUTPUT
YOKE
OUTPUT SHAFT
WASHER
10-1-08
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