GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 1999 🢒 Isuzu MD Steel Tilt (F Model) 🢒 Transmission/Transaxle 🢒 Automatic Transmission - Allison 🢒 Transmission Modulator Replacement

Removal Procedure

    Object Number: 201540 Size: SH
  1. Remove the bolt and clip securing the modulator and the O-ring to the transmission.

    2. Object Number: 205258 Size: SH
  2. Remove the two bolts and the washers securing the modulator cable to the support bracket.
  3. Remove the cotter pin, the washer, and the clevis pin securing the clevis to the engine throttle lever.
  4. Remove the clevis from the modulator cable.
  5. Remove the modulator cable with the modulator from the vehicle.

Installation Procedure

    Object Number: 201540 Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  1. Install the bolt and the clip in order to secure the modulator and the O-ring to the transmission.

    2. Tighten
    Tighten the bolt to 20 N·m (15 lb ft).


    Object Number: 205258 Size: SH
  2. Install the two bolts and the washers in order to secure the modulator cable to the support bracket.

    3. Tighten
    Tighten the bolts to 9 N·m (80 lb in).

  3. Adjust the modulator cable. Refer to Transmission Modulator Cable Adjustment .