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Speedometer Drive Adapter: Installation

  1. Thoroughly clean adapter flange and adapter mounting surface in housing. Surfaces must be clean for proper adapter alignment and speedometer operation.
  2. Install new O-rings on speed sensor and speedometer adapter if necessary. See Figure.
  3. Lubricate sensor and adapter O-rings with transmission fluid.
  4. Install vehicle speed sensor in speedometer adapter. Tighten sensor attaching screw to 2-3 N.m (15-27 in. lbs.) torque.
  5. Install speedometer pinion in adapter.
  6. Count number of teeth on speedometer pinion. Do this before installing assembly in housing. Then lubricate pinion teeth with transmission fluid.
  7. Note index numbers on adapter body. These numbers will correspond to number of teeth on pinion.
    Fig 1: Locating Index Numbers On Speedometer Pinion Adapter
    G01297398Courtesy of DAIMLERCHRYSLER CORP.
  8. Install speedometer assembly in housing.
  9. Rotate adapter until required range numbers are at 6 o'clock position. Be sure range index numbers correspond to number of teeth on pinion gear.
  10. Install speedometer adapter clamp and retaining screw. Tighten clamp screw to 10-12 N.m (90-110 in. lbs.) torque.
  11. Connect wires to vehicle speed sensor.
  12. Lower vehicle and top off transmission fluid level.
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