Mazda Trucks 1987-1993 Repair Guide

Differential Carrier

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REMOVAL & INSTALLATION



B Series Pickup

On 1989-92 vehicles, the differential is removed as a unit with the freewheel mechanism. After removal, the differential can then be separated from the freewheel mechanism, if necessary.

  1. Raise and safely support the vehicle. Remove the wheel and tire assemblies.
  2.  
  3. Remove the splash shield and drain the differential fluid.
  4.  
  5. Remove the halfshafts.
  6.  
  7. Mark the position of the driveshaft on the axle flange and remove the driveshaft.
  8.  
  9. On 1989-92 vehicles, tag and disconnect the vacuum hoses and electrical connector from the freewheel mechanism control box.
  10.  
  11. Support the differential with a jack.
  12.  
  13. Remove the crossmember bolts adjacent to the lower control arm. Lower the differential/crossmembers assembly from the vehicle.
  14.  
  15. Remove the crossmembers from the differential, if necessary. On 1989-92 vehicles, remove the freewheel mechanism from the differential, if necessary.
  16.  

To install:
  1. If removed, install the freewheel mechanism.
  2.  
  3. If removed, install the differential to the crossmembers.
  4.  
  5. Raise the differential/crossmembers assembly into position. Install the crossmember mounting bolts and tighten to 69-85 ft. lbs. (93-116 Nm). Remove the jack.
  6.  
  7. Install the remaining components in the reverse order of their removal. Fill the differential with the proper type and quantity of fluid.
  8.  

MPV

See Figure 1



Click image to see an enlarged view

Fig. Fig. 1: Exploded view of the front drive components-MPV with 4WD

The differential is removed as a unit with the freewheel mechanism. After removal, the differential can then be separated from the freewheel mechanism, if necessary.

  1. Raise and safely support the vehicle. Remove the wheel and tire assemblies.
  2.  
  3. Remove the splash shield and drain the differential fluid.
  4.  
  5. Remove the halfshafts.
  6.  
  7. Mark the position of the driveshaft on the axle flange and remove the driveshaft.
  8.  
  9. Tag and disconnect the vacuum hoses and electrical connector from the freewheel mechanism control box.
  10.  
  11. Support the differential with a jack.
  12.  
  13. Remove the bolts/nuts attaching the differential/freewheel mechanism assembly in 3 places and lower the assembly from the vehicle.
  14.  
  15. If necessary, separate the freewheel mechanism from the differential.
  16.  

To install:
  1. If removed, install the freewheel mechanism.
  2.  
  3. Raise the differential/freewheel mechanism assembly into position and install the attaching bolts/nuts. Tighten to 49-72 ft. lbs. (67-97 Nm). Remove the jack.
  4.  
  5. Install the remaining components in the reverse order of their removal. Fill the differential with the proper type and quantity of fluid.
  6.  

 
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