Power Plant Frame Removal

WARNING: This page is about a different variant/trim than selected.

CAUTION:

The stud bolt shown in the figure is pressed into the power plant frame. Read the cautions carefully so as not to damage the parts while servicing.

Fig 1: Identifying Power Plant Frame And Stud Bolt

Courtesy of MAZDA MOTORS CORP.

Remove the member bracket. (With member bracket)

Fig 2: Identifying Member Bracket And Bolts
Courtesy of MAZDA MOTORS CORP.
Remove the tunnel member.

Fig 3: Identifying Tunnel Member Bolts
Courtesy of MAZDA MOTORS CORP.
Support the transmission using a transmission jack with rubber sheet inserted between the transmission and jack.

Fig 4: Supporting Transmission Using Transmission Jack With Rubber Sheet Inserted Between Transmission And Jack
Courtesy of MAZDA MOTORS CORP.
Stuff rubber or a rag between the rear differential and rear crossmember to prevent the rear differential from tilting.

Fig 5: Installing Rubber Or Rag Between Rear Differential And Rear Crossmember
Courtesy of MAZDA MOTORS CORP.
While supporting the power plant frame so that it does not lower, remove the nuts (7 locations) shown in the figure. (Do not remove the nut in the position of the pressed-in stud bolt).

Fig 6: Identifying Power Plant Frame Nuts
Courtesy of MAZDA MOTORS CORP.
Loosen the nut shown in the figure to the end of the stud bolt.

Fig 7: Identifying Power Plant Frame Nut
Courtesy of MAZDA MOTORS CORP.
While keeping the installation surfaces of the rear differential and power plant frame parallel, loosen the stud bolt shown in Step 7 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.
Fig 8: Removing Power Plant Frame With Nuts
Courtesy of MAZDA MOTORS CORP.
Remove the nut.

Fig 9: Identifying Power Plant Frame Nut
Courtesy of MAZDA MOTORS CORP.
Remove the bolt.

Fig 10: Identifying Power Plant Frame Bolt
Courtesy of MAZDA MOTORS CORP.
Remove the washer shown in the figure using a punch from the backside.

Fig 11: Identifying Power Plant Frame Washer
Courtesy of MAZDA MOTORS CORP.
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.
Fig 12: Removing Stud Bolt From Power Plant Frame Using Press And SST (49 W023 785)
Courtesy of MAZDA MOTORS CORP.
Remove the washers shown in the figure using a punch from the backside.

Fig 13: Identifying Power Plant Frame Washers

Courtesy of MAZDA MOTORS CORP.