Power Plant Frame Installation Note

WARNING: This page is about a different car, the 2004 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

Support the transmission using a transmission jack.
Install the power plant frame.

Fig 1: Supporting Transmission Using Transmission Jack
Courtesy of MAZDA MOTORS CORP.
Temporarily tighten the nuts in the order shown in the figure.
Tighten nut 1 until the power plant frame is seated in the rear differential.
Install the heat insulator, exhaust manifold stay, exhaust pipe, silencer and front tunnel member.

Fig 2: Temporary Tightening Order Of Power Plant Mount Nuts
Courtesy of MAZDA MOTORS CORP.
Raise the front end of the power plant frame (transmission side) with the transmission jack and adjust dimension A to the standard (lower end of power plant frame-lower end of the front tunnel member) as shown in the figure.

Fig 3: Adjusting Power Plant Mount Dimension
Courtesy of MAZDA MOTORS CORP.

Standard dimension A

48.4-56.4 mm {1.91-2.22 in}
NOTE:
- When raising power plant frame without a transmission jack, use bolts with a thread length of 55 mm {2.16 in} or more (M12 x 1.25). Tighten bolts from the underside of the front tunnel member as shown in the figure and raise power plant frame.
- When using bolts, the undersurface of the power plant frame could be damaged. Wrap tape to the undersurface of the frame to prevent damage.
Tighten the nuts and bolts on the rear differential side in the order shown in the figure.

Fig 4: Tightening Order Of Nuts & Bolts On Rear Differential Side
Courtesy of MAZDA MOTORS CORP.

Fig 5: Tightening Torque Of Nuts & Bolts On Rear Differential Side
Courtesy of MAZDA MOTORS CORP.
Tighten the nuts on the rear differential side in the order shown in the figure.

Fig 6: Tightening Order Of Nuts On Rear Differential Side
Courtesy of MAZDA MOTORS CORP.

Tightening torque

126.0-154.0 N.m

{12.9-15.7 kgf.m, 93.0-113 ft.lbf}
Verify again that dimension A is within the specification.
- If it is not within the specification, adjust dimension A again.