Hummer H1 (2006+). Manual — part 202
5-48
Transmission/Transfer Case
_______________________________________________
Figure 5-26: Loosening Extension Housing
Figure 5-27: Extension Housing Removal
5.
Remove the rear retainer bolts. Then remove the mainshaft bearing snap ring (Figure 5-28).
6.
Pry the rear retainer upward at each lug with a screwdriver (Figure 5-29). Remove the retainer after breaking the sealer bead.
EXTENSION
HOUSING
PLASTIC
MALLET
REAR
CASE
REAR
RETAINER
EXTENSION
HOUSING
SNAP
RING
10-1-08
_______________________________________________
Transmission/Transfer Case 5-49
5745804
Figure 5-28: Mainshaft Bearing Snap Ring Removal
Figure 5-29: Rear Retainer Removal
7.
Remove the speedometer tone wheel and the snap rings (Figure 5-30).
8.
Remove the rear case attaching bolts and remove the rear case (Figure 5-31).
CAUTION: Loosen the rear case with screwdrivers positioned in the slot at each end of the case. This will avoid damaging the
case sealing surfaces.
REAR
RETAINER
SNAP RING
LUG
LUG
SCREWDRIVER
REAR
RETAINER
10-1-08
5-50
Transmission/Transfer Case
_______________________________________________
Figure 5-30: Speedometer Tone Wheel Removal/Installation
Figure 5-31: Rear Case Removal
9.
Remove the oil pump, pickup tube, hose and the screen (Figure 5-32).
10. Remove the O-ring from the oil pump inlet port (Figure 5-33).
MAINSHAFT
SNAP RING
TONE WHEEL
SNAP RING
REAR
CASE
REAR
CASE
OIL
PUMP
10-1-08
_______________________________________________
Transmission/Transfer Case 5-51
5745804
Figure 5-32: Oil Pump Assembly Removal
Figure 5-33: Oil Pump O-ring Location
11. Remove the drive sprocket snap ring (Figure 5-34).
12. Remove the drive sprocket (Figure 5-35).
13. Remove the drive chain.
14. Remove the front output shaft and the driven sprocket as a assembly (Figure 5-36).
OIL PUMP
OIL PICKUP
TUBE
HOSE
OIL SCREEN
REAR CASE
OIL PUMP
INLET PORT
O-RING
10-1-08
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