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Home >> Lincoln >> 1997 >> Mark VIII Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Overhaul - 4R70W Automatic Transmission >> On-Vehicle Service >> Overdrive Servo Assembly >> Installation

Overdrive Servo Assembly: Installation

  1. Ensure .020" (.51 mm) overdrive servo bleed hole clear. Using ATF, lubricate overdrive servo bore in transmission case. Assemble spring to piston. Install assembly into case bore. Ensure servo rod contacts overdrive band apply bore.
  2. Using compressor tool, depress piston and install retaining ring. See Fig 2 . Install valve body. To complete installation, reverse removal procedure.
Fig 1: Identifying Accumulator & Servo Locations
G92C15208Courtesy of FORD MOTOR CO.
Fig 2: Removing & Replacing Overdrive Servo
G92D15209Courtesy of FORD MOTOR CO.