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Home >> Mazda >> 2022 >> MX-5 Miata RF Club >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transaxle (Service Information)) >> Control Valve Body Removal >> On-Vehicle Removal

On-Vehicle Removal

WARNING: This page is about a different variant/trim than selected.
WARNING:
  • A hot transmission and ATF can cause severe burns. Turn off the engine and wait until they are cool before replacing ATF.
  • Using compressed air can cause dirt and other particles to fly out, causing injury to the eyes. Wear protective eyeglasses whenever using compressed air.
CAUTION:
  • Clean the transmission exterior thoroughly with a steam cleaner or cleaning solvents before removal.
  • If any old sealant gets into the transmission during installation of the oil pan, a malfunction may occur in the transmission case and oil pan. Clean with cleaning fluids.
  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  2. Drain the ATF. (See AUTOMATIC TRANSMISSION FLUID (ATF) REPLACEMENT .)
  3. Remove the oil pan and the oil pan gasket.
    CAUTION:
    • Do not damage the fitting surface of the transmission case and the oil pan.
    • Do not to deform the oil pan.
  4. Remove the magnets from the oil pan.
    G14589328Courtesy of MAZDA MOTORS CORP.
    NOTE:
    • Examine the chips and particles in the oil pan to determine what type of wear has occurred in the transmission. Steel particles (magnetic) indicate bearing, gear and plate wear. Brass particles (non-magnetic) indicate bushing wear.
  5. Remove the oil strainer from the control valve body component.
    G14589329Courtesy of MAZDA MOTORS CORP.
  6. Remove the O-ring from the oil strainer.
  7. Disconnect the connectors from the solenoids.
    G14589330Courtesy of MAZDA MOTORS CORP.
  8. Disconnect the coupler component from the clamps.
  9. Remove the lock plate from the control valve body component.
    G14589331Courtesy of MAZDA MOTORS CORP.
  10. Pull the TFT sensor from the control valve body component.
    CAUTION:
    • Verify that the coupler component does not interfere with the control valve body component when installing.
  11. Fix the coupler component with tape to the transmission case as shown in the illustration.
    G14589332Courtesy of MAZDA MOTORS CORP.
  12. Remove the detent spring cover and detent spring from the control valve body component.
    G14589333Courtesy of MAZDA MOTORS CORP.
  13. Remove the bolts from the transmission case as shown in the illustration.
    G14589334Courtesy of MAZDA MOTORS CORP.
    CAUTION:
    • Do not to drop the control valve body component.
  14. Disconnect the manual valve link and remove the control valve body component.
    G14589335Courtesy of MAZDA MOTORS CORP.
  15. Remove the check valve sub-component and the compression spring from the transmission case.
    G14589336Courtesy of MAZDA MOTORS CORP.
  16. Remove the transmission case gaskets and the brake drum gaskets from the transmission case.
    G14589337Courtesy of MAZDA MOTORS CORP.
    CAUTION:
    • Be careful of the C-2 and B-3 accumulator pistons may eject.
  17. Apply compressed air into the oil passage as shown in the illustration and remove the accumulator pistons (C-2, B-3) and the compression springs from the transmission case.
    G14589338Courtesy of MAZDA MOTORS CORP.
  18. Remove the snap rings from the accumulator pistons (C-2, B-3) using a flathead screwdriver.
  19. Remove the compression springs from the accumulator pistons (C-2, B-3).
  20. Remove the O-rings from the accumulator pistons (C-2, B-3) using a flathead screwdriver.
    CAUTION:
    • Be careful of the C-3 accumulator pistons may eject.
  21. Apply compressed air into the oil passage as shown in the illustration and remove the accumulator piston (C-3) and compression springs from the transmission case.
    G14589339Courtesy of MAZDA MOTORS CORP.
  22. Remove the O-rings from the accumulator piston (C-3) using a flathead screwdriver.
  23. Remove the accumulator valve and compression springs from the transmission case.
    G14589340Courtesy of MAZDA MOTORS CORP.
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