Mazda Trucks 1994-1998 Repair Guide

Freewheel Mechanism

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REMOVAL & INSTALLATION



See Figure 1

The Automatic Freewheel Mechanism on 4WD MPV models are used in place of automatic locking hubs.

  1. Disconnect the negative battery cable. Raise and safely support the vehicle. Remove the left front wheel and tire assembly.
  2.  
  3. Drain the fluid from the front differential.
  4.  
  5. Remove the left side halfshaft assembly.
  6.  
  7. Tag and disconnect the vacuum hoses and electrical connector from the control box assembly.
  8.  
  9. Remove and discard the snap pin at the control box assembly.
  10.  
  11. Remove the attaching bolts and remove the joint shaft assembly.
  12.  
  13. Remove the attaching bolts and remove the control box assembly.
  14.  
  15. Remove the gear sleeve from the side of the differential, if necessary.
  16.  
  17. If necessary, remove the output shaft from the differential using a slide hammer.
  18.  



Click image to see an enlarged view

Fig. Fig. 1: Exploded view of the components to the automatic freewheel mechanism-MPV

To install:
  1. If removed, install a new clip on the end of the output shaft and install in the differential. Install the gear sleeve, if removed.
  2.  
  3. Install the control box and tighten the attaching bolts to 17-20 ft. lbs. (23-26 Nm).
  4.  
  5. Install the joint shaft assembly and tighten the attaching bolts to 27-40 ft. lbs. (36-54 Nm). Install the attaching nut and tighten to 49-72 ft. lbs. (67-97 Nm).
  6.  
  7. Install a new snap pin at the control box assembly.
  8.  
  9. Connect the electrical connector and vacuum hoses at the control box assembly.
  10.  
  11. Install the left side halfshaft assembly.
  12.  
  13. Fill the differential with the proper type and quantity of fluid.
  14.  
  15. Install the wheel and tire assembly and lower the vehicle.
  16.  

 
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