Overdrive Servo: Installation

WARNING:

Servo return spring force is very high. Failure to follow these instructions may result in personal injury.

Assemble the special tool.

Fig 1: Identifying Special Tool (307-295)
Courtesy of MAZDA MOTORS CORP.
Install the special tool.

Fig 2: Installing Special Tool (307-295)
Courtesy of MAZDA MOTORS CORP.
CAUTION:
- Do not use a screwdriver to install the retaining ring or damage to the case may occur. Use only snap ring pliers to install the retaining ring.
NOTE:
- If the servo cover will not seat deep enough in the bore to install the servo cover retaining ring, use a blunt punch or small hammer and gently tap the cover around the outer edge until the servo cover retaining ring can be installed.
Tighten the special tool bolt.

Fig 3: Tightening Special Tool Bolt (307-295)
Courtesy of MAZDA MOTORS CORP.
- Install the servo cover retaining ring.
If the case is stamped "WG", install a wide-grooved snap ring, or the servo will be damaged.
Loosen the special tool bolt.

Fig 4: Loosening Special Tool Bolt (307-295)
Courtesy of MAZDA MOTORS CORP.
- When the spring tension is released, remove the special tool.
Install the transaxle fluid cooler line.

Fig 5: Installing Transaxle Fluid Cooler Line
Courtesy of MAZDA MOTORS CORP.
Install the splash shield.

Fig 6: Identifying Splash Shield
Courtesy of MAZDA MOTORS CORP.
Lower the vehicle.
Start the vehicle. Place the transaxle range selector lever in each gear and allow to engage. Check for leaks.
Check transaxle fluid.