Sun Gear And One-Way Clutch Disassembly


  1. INSPECT ONE-WAY CLUTCH ASSEMBLY

  2. REMOVE ONE-WAY CLUTCH ASSEMBLY

  3. REMOVE NO. 1 ONE-WAY CLUTCH THRUST WASHER

  4. REMOVE SUN GEAR SHAFT OIL SEAL RING

  5. REMOVE SUN GEAR INPUT DRUM

  6. REMOVE SUN GEAR INPUT DRUM SHAFT SNAP RING

  7. INSPECT PLANETARY SUN GEAR

Sun Gear And One-Way Clutch -- Disassembly



1. INSPECT ONE-WAY CLUTCH ASSEMBLY


Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.A340F Automatic Transmission.Sun Gear And One-Way Clutch.Sun Gear And One-Way Clutch  Disassembly
  1. Hold the planetary sun gear, and turn the one-way clutch assembly. Check that the one-way clutch hub can be turned freely clockwise and locks when turned counterclockwise.



2. REMOVE ONE-WAY CLUTCH ASSEMBLY


Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.A340F Automatic Transmission.Sun Gear And One-Way Clutch.Sun Gear And One-Way Clutch  Disassembly


3. REMOVE NO. 1 ONE-WAY CLUTCH THRUST WASHER


Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.A340F Automatic Transmission.Sun Gear And One-Way Clutch.Sun Gear And One-Way Clutch  Disassembly


4. REMOVE SUN GEAR SHAFT OIL SEAL RING


Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.A340F Automatic Transmission.Sun Gear And One-Way Clutch.Sun Gear And One-Way Clutch  Disassembly
  1. Remove the 2 oil seal rings from the sun gear input drum.



5. REMOVE SUN GEAR INPUT DRUM


Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.A340F Automatic Transmission.Sun Gear And One-Way Clutch.Sun Gear And One-Way Clutch  Disassembly
  1. Use a wooden block or similar object as a work stand.

  1. Using snap ring pliers, remove the snap ring.

  1. Remove the input drum from the planetary sun gear.



6. REMOVE SUN GEAR INPUT DRUM SHAFT SNAP RING


Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.A340F Automatic Transmission.Sun Gear And One-Way Clutch.Sun Gear And One-Way Clutch  Disassembly
  1. Using a screwdriver, pry out the snap ring from the planetary sun gear.



7. INSPECT PLANETARY SUN GEAR


Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.A340F Automatic Transmission.Sun Gear And One-Way Clutch.Sun Gear And One-Way Clutch  Disassembly
  1. Using a dial indicator, measure the inside diameter of the planetary sun gear bushes.

    Maximum inside diameter:
    27.08 mm (1.0661 in.)
    If the inside diameter is more than the maximum, replace the planetary sun gear.