Overdrive Servo: Installation

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

Fig 1: Assembling Special Tool

Courtesy of FORD MOTOR CO.

Assemble the special tool.
Install the special tool.

Fig 2: Installing Special Tool
Courtesy of FORD MOTOR CO.

CAUTION: If the case is stamped with a WG, install a wide groove snap ring. Failure to follow this instruction may result in damage to the servo.

CAUTION: Use only snap ring pliers to install the retaining ring. Failure to follow this instruction may result in damage to the case.

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.
- Install the retaining ring.
  
  Fig 3: Tightening Special Tool Bolt
  Courtesy of FORD MOTOR CO.
Loosen the special tool bolt.
- When spring tension is released remove the special tool.
  
  Fig 4: Loosening Special Tool Bolt
  Courtesy of FORD MOTOR CO.
Lower the vehicle.
Check the fluid level prior to road testing.