Toyota Celica 1994-1998 Repair Guide

MacPherson Struts

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REMOVAL & INSTALLATION



See Figures 1, 2, 3, 4, 5, 6 and 7



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Fig. Fig. 1: Front MacPherson strut and related components

  1. Loosen the lug nuts on the side of the vehicle you are replacing the strut.
  2.  
  3. Raise and support the vehicle.
  4.  
  5. Remove the front wheel
  6.  
  7. Detach the speed sensor (ABS models) and brake hose from the shock absorber.
  8.  



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Fig. Fig. 2: Separate the brake hose from the strut assembly at the bracket



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Fig. Fig. 3: Front strut lower mounting bolt location

  1. Remove the 2 nuts ad bolts then disconnect the strut from the steering knuckle.
  2.  



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Fig. Fig. 4: Unbolt the upper and lower bolts attaching the strut to the knuckle



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Fig. Fig. 5: Carefully pull back on the knuckle to separate the strut assembly from the unit

  1. Loosen and remove the 3 nuts from the upper side of the shock tower.
  2.  



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Fig. Fig. 6: Three nuts retain the upper portion of the strut tower

  1. From below, lower the shock and coil assembly from the wheel well.
  2.  



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Fig. Fig. 7: Remove the strut with coil assembly from under the wheel well

  1. Remove the 3 nuts which secure the upper shock absorber mounting plate to the top of the wheel arch and remove the shock absorber with coil spring.
  2.  

To install:
  1. Align the hole in the upper suspension support with the shock absorber piston or end, so they fit properly.
  2.  
  3. Always use a new nut and nylon washer on the shock absorber piston rod end when securing it to the upper suspension support. Tighten the nut to 35 ft. lbs. (47 Nm).
  4.  

Do not use an impact wrench to tighten the nut.

  1. Coat the suspension support bearing with multipurpose grease prior to installation. Pack the space in the upper support with multipurpose grease, also, after installation.
  2.  
  3. Tighten the 3 suspension support-to-wheel arch nuts to 59 ft. lbs. (80 Nm).
  4.  
  5. Tighten the shock absorber-to-steering knuckle arm bolts to 113 ft. lbs. (153 Nm).
  6.  
  7. Install the ABS speed sensor and the brake hose to the shock absorber, if equipped.
  8.  
  9. Install the front tire and wheel assembly. Tighten the lug nuts to 76 ft. lbs. (103 Nm).
  10.  
  11. Have the front wheel alignment checked.
  12.  

OVERHAUL



See Figures 8, 9, 10, 11, 12, 13, 14, 15, 16 and 17



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Fig. Fig. 8: Exploded view of the front strut assembly

  1. Remove the shock absorber assembly with coil spring out from under the vehicle.
  2.  



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Fig. Fig. 9: Securing the strut in a vise, and loosening the retaining nut

  1. To disassemble the shock absorber from the coil spring, install 2 nuts and a bolt to the bracket at the lower part of the shock absorber and secure it in a vice.
  2.  
  3. Using a special coil spring compressor, such as 09727-30020 or equivalent, compress the coil spring. Do not use an impact wrench, it will damage the compression tool.
  4.  



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Fig. Fig. 10: A spring compressor tool is used to remove the coil spring



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Fig. Fig. 11: Use care when using a spring compressor tool, follow all warnings from the manufacture

  1. Remove the cap from the suspension support. Using a retaining tool to hold the seat, such as 09729-22031 or equivalent remove the nut.
  2.  



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Fig. Fig. 12: Once the spring is compressed, the nut can be removed



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Fig. Fig. 13: Remove and inspect the bearing if reusing

  1. Remove the following components:

    Suspension support
     
    Bearing
     
    Upper spring seat
     
    Upper insulator and coil spring
     
    Dust cover
     
    Spring bumper
     
    Lower insulator
     

  2.  

When removing or installing the shock absorber, if the bearing becomes separated in any way, it must be replaced by a new bearing.



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Fig. Fig. 14: Now each one of the components can be extracted from the strut assembly



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Fig. Fig. 15: Lift the coil with tool over the strut ... .



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Fig. Fig. 16: ... and remove the lower coil spring insulator

To install:
  1. Install the lower insulator onto the shock
  2.  
  3. Using the compressor tool, such as 09727-30020 or equivalent, compress the coil spring. Install the coil spring to the shock absorber. Do not use an impact wrench, it will damage the compressor tool.
  4.  

Fit the lower end of the coil spring into the gap of the spring seat of the shock absorber.

  1. Install the spring bumper to the piston rod.
  2.  
  3. Place the upper coil spring insulator on the upper spring seat. Place the dust cover on the spring seat.
  4.  
  5. Align the OUT mark on the upper spring seat with the dust cover to the shock.
  6.  



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Fig. Fig. 17: Align the OUT mark to point outward from the vehicle when installed

  1. Install the bearing and suspension support.
  2.  
  3. Install the retaining tool, such as 09729-22031 or equivalent to hold the spring seat, install a new nut. Tighten the nut to 34-36 ft. lbs. (47-49 Nm). Install the cap and remove the compression tool.
  4.  

Check that the bearing fits into the recess in the suspension support.

  1. Pack the upper suspension support with MP grease.
  2.  
  3. Install the coil and shock absorber assembly into the vehicle.
  4.  

 
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