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Home >> Mazda >> 2022 >> MX-5 Miata RF Club >> Repair and Diagnosis >> Transmission >> Manual Trans >> Manual Transmission >> Power Plant Frame Removal

Power Plant Frame Removal

CAUTION:
  • The stud bolt shown in the illustration is pressed into the power plant frame. Read the cautions carefully so as not to damage the parts while servicing.
G14589217Courtesy of MAZDA MOTORS CORP.
  1. Remove the member bracket. (With member bracket)
    G14589218Courtesy of MAZDA MOTORS CORP.
  2. Remove the tunnel member.
    G14589219Courtesy of MAZDA MOTORS CORP.
  3. Support the transmission using a transmission jack with rubber sheet inserted between the transmission and jack.
    G14589220Courtesy of MAZDA MOTORS CORP.
  4. Stuff rubber or a rag between the rear differential and rear crossmember to prevent the rear differential from tilting.
    G14589221Courtesy of MAZDA MOTORS CORP.
  5. While supporting the power plant frame so that it does not lower, remove the nuts (7 locations) shown in the illustration. (Do not remove the nut in the position of the pressed-in stud bolt.)
    G14589222Courtesy of MAZDA MOTORS CORP.
  6. Loosen the nut shown in the illustration to the end of the stud bolt.
    G14589223Courtesy of MAZDA MOTORS CORP.
  7. While keeping the installation surfaces of the rear differential and power plant frame parallel, loosen the stud bolt shown in Step 6 and remove it with the power plant frame.
    CAUTION:
    • If the power plant frame tilts from the rear differential, the threaded hole of the rear differential may be damaged.

      When removing the power plant frame, loosen the stud bolt while keeping the installation surfaces of the rear differential and power plant frame parallel.

    NOTE:
    • The stud bolt is pressed in the power plant frame, therefore, it requires greater torque than a general bolt when loosening.
    G14589224Courtesy of MAZDA MOTORS CORP.
  8. Remove the nut.
    G14589225Courtesy of MAZDA MOTORS CORP.
  9. Remove the bolt.
    G14589226Courtesy of MAZDA MOTORS CORP.
  10. Remove the washer shown in the illustration using a punch from the backside.
    G14589227Courtesy of MAZDA MOTORS CORP.
  11. Remove the stud bolt from the power plant frame using a press and the SST (49 W023 785).
    CAUTION:
    • Be careful not to pinch the washers between the SST (49 W023 785) and power plant frame.
    G14589228Courtesy of MAZDA MOTORS CORP.
  12. Remove the washers shown in the illustration using a punch from the backside.
    G14589229Courtesy of MAZDA MOTORS CORP.