Mazda Trucks 1987-1993 Repair Guide

Struts

Print

Only MPV models utilize a MacPherson-type strut front suspension.

REMOVAL & INSTALLATION



See Figures 1 through 8



Click image to see an enlarged view

Fig. Fig. 1: Remove the retaining clip securing the rubber brake hose to the strut



Click image to see an enlarged view

Fig. Fig. 2: Using a socket and a backup wrench, remove the two strut-to-steering knuckle nuts and bolts



Click image to see an enlarged view

Fig. Fig. 3: Separate the lower portion of the strut from the steering knuckle

  1. Raise and safely support the vehicle. Remove the wheel and tire assembly.
  2.  
  3. Support the lower control arm with a jack.
  4.  
  5. Remove the clip attaching the brake hose to the strut and disconnect the hose from the strut.
  6.  
  7. Remove the strut-to-knuckle attaching bolts and nuts.
  8.  



Click image to see an enlarged view

Fig. Fig. 4: After separating the strut from the knuckle, support the knuckle with a strong piece of wire to prevent possible stress damage to the rubber brake hose



Click image to see an enlarged view

Fig. Fig. 5: Remove the igniter, ignition coil and mounting bracket assembly from the top of the strut tower to access the upper strut mounting nuts



Click image to see an enlarged view

Fig. Fig. 6: Remove the four upper strut mounting nuts while supporting the strut assembly

  1. Working in the engine compartment, remove the 4 attaching nuts from the strut tower and remove the strut assembly from the vehicle. If necessary, remove any components that can hinder the removal of the strut mounting nuts.
  2.  
  3. If the strut must be disassembled, or the coil spring removed, refer to the overhaul procedure later in this section.
  4.  



Click image to see an enlarged view

Fig. Fig. 7: Carefully remove the strut assembly from the vehicle through the fender well



Click image to see an enlarged view

Fig. Fig. 8: Note the marking to indicate how the strut assembly is installed into the vehicle (OUT w/arrow)

To install:
  1. Assemble the strut according to the overhaul procedure, if necessary.
  2.  
  3. Install the strut assembly in the strut tower, making sure the white mark on the upper mounting block is in the front-inside direction. Install the attaching nuts and tighten to 34-46 ft. lbs. (47-62 Nm).
  4.  
  5. Install the strut to the knuckle and tighten the attaching bolts and nuts to 69-86 ft. lbs. (93-117 Nm).
  6.  
  7. Position the brake hose on the strut and install the clip. Remove the jack from under the lower control arm.
  8.  
  9. Install the wheel and tire assembly and lower the vehicle. Check the front end alignment.
  10.  

overhaul

See Figures 9 through 18



Click image to see an enlarged view

Fig. Fig. 9: Mount the complete strut assembly firmly in a bench vise, then remove the top plastic cap from the strut bearing plate



Click image to see an enlarged view

Fig. Fig. 10: Before attempting to compress the strut coil spring, loosen the top srut retaining nut a couple of turns, but do NOT remove



Click image to see an enlarged view

Fig. Fig. 11: Install a coil spring compressor tool as shown, then use a box wrench and socket to compress the coil ...



Click image to see an enlarged view

Fig. Fig. 12: ... to the compressed size as shown ...



Click image to see an enlarged view

Fig. Fig. 13: ... then remove the top retaining nut and two washers



Click image to see an enlarged view

Fig. Fig. 14: Pull the bearing plate straight off the top of the strut assembly. Note during installation that it may be necessary to pull up the strut rod through the bumper stop by installing the nut and using two screwdrivers to pry upward (arrows)



Click image to see an enlarged view

Fig. Fig. 15: Pull the spring seat/bumper stop/dust boot assembly up off of the strut rod



Click image to see an enlarged view

Fig. Fig. 16: Remove the coil spring with the compressor still installed



Click image to see an enlarged view

Fig. Fig. 17: Remove the rubber ring from the strut



Click image to see an enlarged view

Fig. Fig. 18: Strut assembly components

  1. Secure the strut assembly firmly in a bench vise. Remove the rubber cap from the upper mounting block. Loosen the upper attaching nut, but do not remove it.
  2.  
  3. Install a suitable spring compressor and compress the coil spring.
  4.  
  5. Remove the upper attaching nut and slowly relieve the tension on the coil spring, using the spring compressor. When the spring is no longer under tension, remove the spring compressor.
  6.  
  7. Remove the upper mounting block, upper spring seat, spring seat, coil spring, bump stopper and ring rubber from the strut.
  8.  
  9. Apply a suitable rubber grease to the ring rubber and install it on the bump stopper. Install the bump stopper on the strut.
  10.  
  11. Attach the spring compressor to the coil spring and compress the spring.
  12.  
  13. Install the compressed spring on the strut and install the spring seat.
  14.  
  15. Install the upper spring seat. The flat of the strut rod must fit correctly into the upper spring seat.
  16.  
  17. Install the upper mounting block. Install and loosely tighten the upper attaching nut.
  18.  
  19. Remove the spring compressor. Make sure the spring is properly seated in the upper and lower spring seats.
  20.  
  21. Secure the upper spring seat in a vise and tighten the upper attaching nut to 47-59 ft. lbs. (64-80 Nm). Install the rubber cap on the upper mounting block.
  22.  

 
label.common.footer.alt.autozoneLogo