Mazda Car 2005-06

Strut (MacPherson Strut) Assembly

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Overhaul (Coil Spring Removal & Installation)



  1. Before servicing the vehicle, refer to the precautions section.
    NOTE
    Refer the exploded view illustration for component locations and if applicable, their retainer torque specifications.


    CAUTION
    Removing or installing the shock absorber and coil spring is dangerous. The shock absorber and coil spring could fly off and cause serious injury or death, and damage the vehicle.

  2.  
  3. Remove the front shock absorber and coil spring.
    WARNING
    Before removing the piston rod nut, secure the shock absorber and spring in a suitable spring compressor. Otherwise, the shock absorber and spring could fly off under tremendous pressure and cause serious injury or death, or damage to vehicle parts.

  4.  
  5. Protect the coil spring from scratches using a piece of cloth and install the spring compressor.
  6.  
  7. Compress the coil spring and remove the piston rod nut.
  8.  
  9. Remove the following:

    Retainer
     
    Bushing
     
    Upper spring seat
     
    Dust boot
     
    Spacer
     
    Bushing
     
    Stopper casing and bound stopper
     
    Bound stopper
     
    Stopper casing
     
    Coil spring
     
    Shock absorber
     

  10.  

To install:

Click image to see an enlarged view

Fig. Exploded view of the front coil spring assembly-MX-5 Miata



Click image to see an enlarged view

Fig. Compress the front coil spring and remove the piston rod nut-MX-5 Miata

To install:

  1. Install the following:

    Shock absorber
     
    Coil spring
     
    Stopper casing
     
    Bound stopper
     
    Stopper casing and bound stopper
     
    Bushing
     
    Spacer
     
    Dust boot
     
    Upper spring seat
     
    Bushing
     
    Retainer
     

  2.  
  3. Protect the coil spring from scratches using a piece of cloth and install the spring compressor.
  4.  
  5. Compress the coil spring using the spring compressor.
  6.  
  7. Install the shock absorber so that the lower end of the coil spring is seated on the step of the lower spring seat.
  8.  
  9. When installing the upper spring seat:
    1. Align the mark on the upper spring seat with the dust boot projection.
    2.  
    3. Install the upper spring seat so that the upper spring seat stud is at a 27-33 degree angle to the shock absorber installation shaft (lower side).

      Click image to see an enlarged view

      Fig. Align the mark on the upper spring seat with the dust boot projection-MX-5 Miata



      Click image to see an enlarged view

      Fig. Install the front strut upper spring seat so that the upper spring seat stud is at a 27-33 degree angle to the shock absorber installation shaft-MX-5 Miata

    4.  

  10.  
  11. Install the piston rod nut and tighten to 38-46 Nm (28-34 ft. lbs.).
  12.  
  13. Install the strut assembly.
  14.  

  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. Remove the strut assembly from the vehicle.
  4.  
  5. Install a coil spring compressor and compress the coil spring.
    CAUTION
    Failure to fully compress the spring and hold it securely can be extremely dangerous.

  6.  
  7. Remove the upper strut nut.
  8.  
  9. Slowly release the coil spring tension
  10.  
  11. Remove the mounting rubber, bearing, dust boot, bound stopper and coil spring.

    Click image to see an enlarged view

    Fig. Install a coil spring compressor and compress the coil spring-Mazda3

  12.  

To install:

  1. Compress the coil spring in the compressor tool and install the shock absorber so the lower end of the spring is seated on the step of the lower spring seat.
  2.  
  3. Install the bound stopper.
  4.  
  5. Install the dust boot by hooking the bottom edge over the shock absorber lip as illustrated.
  6.  
  7. Install the bearing by hooking the upper end of the dust boot to the bearing lip and align the projection A on the lower part of the shock absorber with the bearing projection B, as illustrated.
  8.  
  9. Install the mounting rubber.
  10.  
  11. Install the piston rod nut and tighten to 42-56 ft. lbs. (57-76 Nm) and remove the spring compressor.
  12.  
  13. Install the stiffener so the mark LH or RH is facing upwards as shown.
  14.  
  15. Align the piston rod nut with the center part where the shock absorber is installed by placing the piston rod nut with lengths A all the same and tighten the shock absorber upper bolts.
  16.  
  17. Use a jack to raise the lower control arm, attach the shock absorber and tighten the bolts.

    Click image to see an enlarged view

    Fig. Install the dust boot by hooking the bottom edge over the shock absorber lip-Mazda3



    Click image to see an enlarged view

    Fig. Install the bearing by hooking the upper end of the dust boot to the bearing --.-Mazda3



    Click image to see an enlarged view

    Fig. -- and align the projection A on the lower part of the shock absorber with the bearing projection B-Mazda3



    Click image to see an enlarged view

    Fig. The stiffener should be positioned as shown-Mazda3

  18.  

  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. Remove the strut assembly from the vehicle.
  4.  
  5. Install a coil spring compressor and compress the coil spring.
    CAUTION
    Failure to fully compress the spring and hold it securely can be extremely dangerous.

  6.  
  7. Remove the upper strut nut.
  8.  
  9. Slowly release the coil spring tension
  10.  
  11. Remove the mounting rubber, bound stopper, dust boot and coil spring.

    Click image to see an enlarged view

    Fig. Install a coil spring compressor and compress the coil spring-Mazda6 and Mazdaspeed6 models

  12.  

To install:

  1. Temporarily install the spring, dust boot and mounting so the lower end of the coil spring is seated on the step of the lower seat.
  2.  
  3. Mark the spring, dust boot and rubber for correct installation as shown in the accompanying illustration.
  4.  
  5. Align the mark of the coil spring and dust boot, use a piece of cloth to protect the spring and boot and install the compressor.
  6.  
  7. Compress the coil spring in the compressor tool and install the shock absorber so the lower end of the spring is seated on the step of the lower spring seat.
  8.  
  9. Ensure the marks on the shock absorber and dust boot are aligned to the marks made earlier, install the mounting rubber and the rod not and tighten the nut to 29-39 ft. lbs. (39-52 Nm)
  10.  
  11. Install the shock assembly.

    Click image to see an enlarged view

    Fig. Mark the spring, dust boot and rubber for correct installation as shown when assembly the front shock assembly-Mazda6 and Mazdaspeed6 models

  12.  

Removal & Installation



  1. Before servicing the vehicle, refer to the precautions section.
    NOTE
    Refer the exploded view illustration for component locations and if applicable, their retainer torque specifications.


    CAUTION
    Performing the following procedures without first removing the ABS wheel-speed sensor may possibly cause an open circuit in the wiring harness if it is pulled by mistake. Before performing the following procedures, remove the ABS wheel-speed sensor (axle side) and fix it to an appropriate place where the sensor will not be pulled while servicing the vehicle.

  2.  
  3. Remove the front suspension tower bar.
  4.  
  5. Remove the brake hose bracket.
  6.  
  7. Remove the front upper arm ball joint from the knuckle.
  8.  
  9. Remove the front shock absorber, coil spring and front upper arm.
  10.  
  11. Remove the front shock absorber and coil spring.

    Click image to see an enlarged view

    Fig. Exploded view of the front strut assembly and related components-MX-5 Miata

  12.  

To install:

  1. Install the components in the reverse order of removal using the accompanying illustration for torque values.
  2.  



Click image to see an enlarged view

Fig. Exploded view of the front strut and spring assembly components-Mazda6 and Mazdaspeed6 models

  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. Disconnect the ABS sensor.
  4.  
  5. Disconnect the brake hose from the bracket on the strut assembly.
  6.  
  7. Remove the stabilizer bar link upper nut and disconnect the bar from the strut assembly.
  8.  
  9. Remove the shock absorber lower bolt, the dynamic damper and the damper fork.
  10.  
  11. Remove the upper shock absorber nuts.
  12.  
  13. Remove the shock absorber assembly.
  14.  

To install:

  1. Install the shock absorber assembly. Position the stud bolts at a 27-33 degree angle from where the stabilizer bar is installed (center line), towards the inner side of the vehicle. Refer to the accompanying illustration.

    Click image to see an enlarged view

    Fig. Position the stud bolts at a 27-33 degree angle from where the stabilizer bar is installed (center line), towards the inner side of the vehicle when installing the front shock assembly-Mazda6 and Mazdaspeed6 models

  2.  
  3. Tighten the upper nuts to 21-29 ft. lbs. (29-39 Nm).
  4.  
  5. Install the damper fork and align the gap of the fork with the projection of the damper as illustrated and install and tighten the bolt to 31-38 ft. lbs. (43-52 Nm)
  6.  
  7. Install the dynamic damper and the lower shock bolt and tighten to 68-93 ft. lbs. (93-126 Nm).
  8.  
  9. Install the stabilizer bar link and tighten the nut to 31-40 ft. lbs. (43-54 Nm).
  10.  
  11. Install the brake hose, tighten the bolt to 13-18 ft. lbs. (18-25 Nm).
  12.  
  13. Install the sensor.
  14.  
  15. Check and/or adjust the front end alignment.
  16.  

 
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