FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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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.