Transmission Housing and Gear Shift Unit Overview
Transmission Housing and Gear Shift Unit Overview
1 Countersunk Bolt
• Removing and installing, see - item 12 - in the => [ Differential ] Service and Repair.
2 Flange Shaft with Pressure Spring
• Removing and installing, refer to => [ Left Flange Shaft and Seal ] Left Flange Shaft and Seal.
• Assembling, refer to => [ Differential ] Service and Repair.
3 Lock Ring
• Only for the metal sealing cap.
• Installed from transmission build date 21 January 2008.
• Not used with the plastic sealing cap.
4 Sealing Cap
• Made of either metal or plastic.
• Made of metal: Secured with a lock ring (- item 3 -), from transmission build date 21 January 2008.
• Made of plastic: Lock ring (- item 3 -) is not used.
• Refer to the Parts Catalog.
5 Lock Ring
• For the grooved ball bearing/input shaft, see - item 1 - in the => [ Input Shaft Overview ] Input Shaft Overview.
6 Backup Lamp Switch (F4)
• 20 Nm
• Shortly after series introduction of the transmission, equipped with a permanent seal.
7 Seal
• Not installed on all transmissions.
8 Drain Plug
• Tightening specification, refer to => [ Different Versions of the Oil Fill and Drain Plugs ] Service and Repair.
9 Seal
• Always replace.
10 Bolt
• 6 Nm
11 Transmission Neutral Position Sensor (G701)
• Not available in the US/Canadian market.
12 Locking Screw
• For the selector shaft.
• Always replace.
• Made of either metal or plastic.
• Metal: 45 Nm
• Plastic: 30 Nm
13 Bolt
• Always replace, for the correct allocation refer to the Parts Catalog
• There are different bolts and tightening specifications:
• Internal hex round head = "through transmission build date 6 December 2009", M8 aluminum bolt = 8 Nm + an additional 180° (1/2) turn.
• Internal hex round head = "from transmission build date 7 December 2009", M9 aluminum bolt = 15 Nm + an additional 180° (1/2) turn.
• Outer hex head = steel bolt = 15 Nm an additional 90° (1/4) turn.
• Replacement steel bolt allocation, refer to => [ If the steel bolts (outer hex head) are the replacement part, pay attention to the allocation: ] Transmission, without a Sealing Cap Lock Ring.
14 Bolt
• Always replace, for the correct allocation refer to the Parts Catalog.
• There are different bolts and tightening specifications:
• Internal hex round head = "through transmission build date 6 December 2009", M8 aluminum bolt = 8 Nm + an additional 180° (1/2) turn.
• Internal hex round head = "from transmission build date 7 December 2009", M9 aluminum bolt = 15 Nm + an additional 180° (1/2) turn.
• Outer hex head = steel bolt = 15 Nm + an additional 90° (1/4) turn.
• Replacement steel bolts allocation, refer to => [ If the steel bolts (outer hex head) are the replacement part, pay attention to the allocation: ] Transmission, without a Sealing Cap Lock Ring.
15 Gear Shift Unit
• Overview, refer to => [ Gear Shift Unit ] Gear Shift Unit.
• Removing with the transmission installed:
• Remove the battery and the battery tray.
• The locking pin (- item 6 - in the => [ Transmission Housing ] Transmission Housing) for adjusting the selector mechanism must not be engaged.
• Remove the cables and transmission shift lever. Refer to => [ Shift and Selector Cables Overview ] Shift and Selector Cables Overview.
• Remove the locking screw (- item 12 -) and remove the gear shift unit.
16 Bolt
• 20 Nm
• Always replace.
17 O-ring
• Always replace.
18 Clutch Housing
• Disassembly and assembly, refer to => [ Clutch Housing ] Clutch Housing.
19 Transmission Housing
• Disassembly and assembly, refer to => [ Transmission Housing ] Transmission Housing.