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Front Speed Sensor Ring

REMOVAL & INSTALLATION

Navajo and B Series Pick-up — Rear Wheel Drive

Fig. 1: Front wheel sensor ring — 4-wheel ABS/rear wheel drive

  1. Raise and support the front end on jackstands.
  2. Remove the wheels.
  3. Remove the caliper, rotor and hub.
  4. Using a 3-jawed puller, remove the ring from the hub. The ring cannot be reused; it must be replaced.

    To install:

  5. Support the hub in a press so that the lug studs do not rest on the work surface.
  6. Position the new sensor ring on the hub. Using a cylindrical adapter 98mm ID X 106mm OD, press the ring into place. The ring must be fully seated!
  7. The remainder of installation is the reverse of removal.
Navajo and B Series Pick-up — 4WD

The front speed sensor ring is an integral component of the wheel hub/bearing assembly. If the speed sensor ring requires service for any reason, the wheel hub/bearing assembly must be replaced.

MPV — Rear Wheel Drive

NOTE: The speed sensor ring must never be removed unless it is being replaced.

  1. Remove the wheel hub/bearing assembly.
  2. Mount the wheel hub/bearing assembly securely in a bench vise.
  3. Using a hammer and chisel, remove the speed sensor ring.

    Fig. 2: Remove the speed sensor ring using a hammer and chisel

    To install:

  4. Place the wheel hub/bearing assembly facing down between two blocks of wood as illustrated.

    Fig. 3: Press fit the speed sensor ring onto the back of the wheel hub/bearing assembly

  5. Using special press tool 49-L033-103, or equivalent, press the speed sensor ring on until it is flush with the wheel hub.
  6. Install the wheel hub/bearing assembly onto the vehicle.
MPV — 4WD

NOTE: The speed sensor ring must never be removed unless it is being replaced.

  1. Remove the front axle shaft assembly.
  2. Mount the front axle shaft assembly firmly in a bench vise.
  3. Using a hammer and chisel, remove the speed sensor ring.

    Fig. 4: Remove the speed sensor ring using a hammer and chisel

    To install:

  4. Set a new speed sensor ring onto the axle shaft assembly in the direction illustrated.

    Fig. 5: Press fit the speed sensor ring on the back of the wheel hub/bearing assembly

  5. Using special press tool 49-G025-001, or equivalent, press the speed sensor ring onto the axle shaft assembly.
  6. Install the front axle shaft assembly onto the vehicle.

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