T350 Manual Transaxle: Disassembly

Fig 1: Case Bolts

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1 - CASE BOLTS

The T350 transaxle internal components can be serviced only by separating the gear case from the bellhousing case.

CAUTION: The transaxle output shaft is serviced as a unit. No disassembly and reassembly is possible. Damage to the transaxle may result.

Place transaxle on bench.
Remove the clutch release bearing and lever. Move the release fork and bearing to an in-line position. Grasp the release lever with two hands in the pivot stud socket area. Pull with even pressure to release the lever from the pivot stud.
CAUTION: Do not use a screwdriver or pry bar to release the lever as this may cause damage to the lever and/or clip.
Remove shift levers by driving out the roll pins.
Remove transaxle case half bolts (1). See Fig 1.

Fig 2: Separate Case Halves
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1 - PRY TOOL

2 - CASE HALVES

3 - PRY SLOT

Place two screwdrivers (1) into the slots (3) provided in the case halves (2) near the dowels. Separate the case halves. See Fig 2.

Fig 3: Bellhousing Case Half Removed

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1 - INPUT SHAFT

2 - OUTPUT SHAFT

3 - DIFFERENTIAL ASSEMBLY

4 - GEARTRAIN HOUSING

Remove bellhousing half from gear case half (4). See Fig 3.

Fig 4: Differential Removal/Installation

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1 - INPUT SHAFT

2 - OUTPUT SHAFT

3 - DIFFERENTIAL ASSEMBLY

4 - GEARTRAIN HOUSING

Remove output shaft roller bearing from output shaft.

Remove differential assembly (3) from housing (4). See Fig 4.

Fig 5: Locating Reverse Idler Shaft & Bolt

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1 - CASE

2 - REVERSE IDLER SHAFT

3 - REVERSE IDLER SHAFT BOLT

Remove reverse idler shaft bolt (3). See Fig 5.

Fig 6: Reverse Idler Shaft Removal/Installation
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1 - REVERSE IDLER SHAFT

2 - SPACER
Remove reverse idler shaft (1). See Fig 6.

Fig 7: Reverse Idler Gear and Spacer
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1 - SPACER

2 - REVERSE IDLER GEAR
Remove reverse idler gear (2). See Fig 7and spacer (1).

Fig 8: Locating Screws Retaining Reverse Fork Bracket
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1 - SCREWS (2)

2 - REVERSE FORK BRACKET

Remove two screws (1) retaining reverse fork bracket (2). See Fig 8.

Fig 9: Removing Reverse Fork Bracket & Cam Blockout Assembly

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1 - REVERSE FORK BRACKET

2 - REVERSE CAM BLOCKOUT

3 - SHIFT BLOCKER ASSEMBLY

Remove reverse fork bracket (1) and reverse cam block-out assembly (2). See Fig 9.

Fig 10: Remove Selector Shaft Spacer

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1 - SHIFT BLOCKER ASSEMBLY

2 - SELECTOR SHAFT SPACER (PLASTIC)

3 - SNAP RING PLIERS

Using snap-ring pliers (3), remove selector shaft spacer (2). See Fig 10.

Fig 11: Selector Shaft
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1 - SHIFT ASSEMBLY

2 - SELECTOR SHAFT
Pull the selector shaft shift pin out of the slot in the blocker assembly. Turn selector shaft (2) up and out of the way. See Fig 11.

Fig 12: Transaxle End Cover
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1 - TRANSAXLE CASE

2 - END COVER
Remove transaxle end cover (2). See Fig 12.

Fig 13: Snap Rings Retaining Bearings
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1 - SNAP RING PLIERS

2 - SNAP RINGS

Remove two snap rings (2) retaining the output shaft and the input shaft to the bearings. See Fig 13.

Fig 14: Bench Fixture

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1 - SHIMS

2 - TRANSAXLE

3 - 6785 BENCH FIXTURE

Using bench fixture (3) and shims (1) provided (Miller tools # 6785, 6785-1, and 6785-2), turn transaxle over. Install transaxle (2) onto bench fixture. Verify shim spacers are in position on bench fixture. Install transaxle (2) into shop press. See Fig 14.

Fig 15: Bearing Fixture
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1 - BEARING FIXTURE

2 - TRANSAXLE CASE

Install bearing fixture Miller tool #6768 (1) onto transaxle end bearings. Verify tool is properly aligned to input and output shafts. See Fig 15.

CAUTION: The oil dams in the input and output shafts can be damaged while pressing on the shafts if the bearing fixture is not used properly.

Fig 16: Pressing Gears Out of Case

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1 - BEARING FIXTURE

2 - PRESS RAM

3 - TRANSAXLE CASE

4 - BENCH FIXTURE

Install transaxle gear case (3) into shop press. Press (2) output and input shaft assemblies out of case. See Fig 16.

Fig 17: Transaxle Case Removal

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1 - TRANSAXLE CASE

2 - BENCH FIXTURE

3 - GEARTRAIN

Remove transaxle from press.
Carefully remove transaxle case (1) from the shaft assemblies and bench fixture (2). See Fig 17.

Fig 18: Oil Feed Trough
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1 - OIL FEED TROUGH
Be sure the oil-feed trough (1) to the end bearings is not damaged. See Fig 18.

Fig 19: Locating Reverse Brake Friction Cone
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1 - REVERSE BRAKE FRICTION CONE
Remove the reverse brake friction cone (1) from the input shaft assembly. See Fig 19.

Fig 20: Locating Reverse Brake Blocking Ring
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1 - REVERSE BRAKE BLOCKING RING
Remove the blocking ring (1) from the input shaft assembly. See Fig 20.

Fig 21: Shift Blocker Removal/Installation
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1 - 6785 BENCH FIXTURE

2 - SHIFT BLOCKER ASSEMBLY
Remove the shift blocker assembly (2) from the bench fixture (1). See Fig 21.

Fig 22: Shift Rail Removal/Installation
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1 - 6785 BENCH FIXTURE

2 - 1-2 SHIFT FORK
Remove the 1-2 shift fork (2) from the output shaft. See Fig 22.

Fig 23: Gear Train Removal
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1 - 6785 BENCH FIXTURE

2 - INPUT AND OUTPUT SHAFTS
Remove input and output shaft assemblies from bench fixture 6785 (1). See Fig 23.

CAUTION: The output shaft assembly is serviced as an assembly. Do not try to repair any component on the output shaft. If the 1-2 synchronizer or gear fails, it is necessary to replace the complete output shaft assembly.