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Manual Transmission Removal / Installation

WARNING: This page is about a different variant/trim than selected.
  1. Disconnect the negative battery cable. See BATTERY CABLES REMOVAL / INSTALLATION - 2.3L .
  2. With the vehicle in NEUTRAL, position it on a hoist. See LIFTING .
  3. Remove the gearshift lever. See MANUAL TRANSMISSION SHIFT CONTROL HOUSING DISASSEMBLY .
  4. Disconnect the oxygen sensor and backup lamp switches.
  5. Raise and support the vehicle.
  6. If transmission disassembly is required, drain the transmission fluid.
    NOTE:
    • To maintain initial propeller shaft balance, mark the propeller shaft centering socket yoke and rear axle universal joint flange so they may be installed in their original positions.
  7. Mark the propeller shaft centering socket yoke and rear axle universal joint flange.
    Fig 1: Indexing Propeller Shaft Yoke And Rear Axle Universal Joint Flange
    G04309256Courtesy of MAZDA MOTORS CORP.
  8. Remove the rear propeller shaft.
  9. On 4WD vehicles, remove the transfer case. See TRANSFER CASE REMOVAL / INSTALLATION .
  10. Use the hydraulic line disconnect tool SST  to disconnect the clutch line.
    Fig 2: Disconnecting The Clutch Line
    G04309257Courtesy of MAZDA MOTORS CORP.
  11. Remove the starter. See STARTER MOTOR REMOVAL / INSTALLATION - 3.0L or STARTER MOTOR REMOVAL / INSTALLATION - 4.0L .
  12. Position a jack under the transmission.
  13. Remove the transmission mount-to-crossmember nuts.
  14. Remove the crossmember.
    Fig 3: Removing/Installing Outer Crossmember Bolts With Torque Specifications
    G04309258Courtesy of MAZDA MOTORS CORP.
  15. Remove the transmission bolt and reposition exhaust bracket.

    Tightening torque 

    87-110 Nm { 8.9-11.2 kgfm, 64- 81 ft.lbf } 

  16. Remove the exhaust inlet crossover pipe. See THREE-WAY CATALYTIC CONVERTER REMOVAL / INSTALLATION - 3.0L for 3.0L engine or THREE-WAY CATALYTIC CONVERTER REMOVAL / INSTALLATION - 4.0L for 4.0L engine.
    NOTE:
    • Lower the transmission enough to gain access to the transmission-to-engine bolts. Use a long extension to remove the bolts.
  17. Remove the 9 transmission to engine bolts.
    Fig 4: Removing/Installing Transmission To Engine Bolts With Torque Specifications
    G04309259Courtesy of MAZDA MOTORS CORP.
  18. Remove the transmission.
  19. To install, reverse the removal procedure.
  20. Add specified amount of transmission oil. See MANUAL TRANSMISSION OIL INSPECTION  .
  21. Warm up the engine and transmission, inspect for oil leakage and inspect transmission operation.
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