ION 2006-2007

Struts (MacPherson Struts)

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Disassembly & Assembly



  1. Mount the strut in a bench vise, then attach a suitable spring compressor/holding fixture. Be sure that the strut component is firmly secured.
  2.  
  3. Compress the spring sufficiently to completely unload the upper strut mount.
  4.  
  5. Remove the strut shaft nut while holding the strut stationary with a Torx® head socket wrench.
  6.  
  7. Remove the upper mount assembly and inspect the rubber for cracks or deterioration. Rotate the support bearing by hand and check for smooth operation.
  8.  
  9. Remove the spring from the strut and inspect the spring for damage.
  10.  
  11. Remove the dust shield assembly and inspect for cracks or deterioration.
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  13. Remove the strut from the vise or applicable holding fixture and retract the strut shaft, checking for smooth, even resistance.
  14.  
  15. If replacing the coil spring, carefully release the spring compressor.
  16.  

To assemble:

  1. Secure the strut in the bench vise, or applicable holding fixture.
  2.  
  3. Extend the strut shaft to the limit of its travel.
  4.  
  5. Install the dust shield assembly onto the strut, then install the spring with the compressor tool installed.
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  7. Install the spring isolator and the strut mount to the top of the assembly.
  8.  
  9. Guide the strut shaft through the upper strut mount assembly. Compress the coil until the washer and shaft nut can be installed to the end of the shaft, but do not overcompress and damage the spring.
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  11. Tighten the shaft to the nut using a Torx® head socket wrench and a torque wrench, while holding the nut steady with an open end wrench. Tighten the fastener to 37 ft. lbs. (50 Nm).
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  13. Release the spring compressor tool and remove the strut from the fixture.

    Click image to see an enlarged view

    Fig. Mount the strut in a bench vise with a spring compressor tool or equivalent



    Click image to see an enlarged view

    Fig. Loosen the strut shaft nut while holding the strut stationary with a Torx® head socket wrench . . .



    Click image to see an enlarged view

    Fig. . . . then remove the strut shaft nut and washer



    Click image to see an enlarged view

    Fig. Inspect the bearing plate and rubber bushing for wear or deterioration



    Click image to see an enlarged view

    Fig. Remove the coil spring and detach it from the compressor tool, if necessary



    Click image to see an enlarged view

    Fig. Remove the strut shaft dust boot

  14.  

Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. If equipped with an Anti-lock Brake System (ABS), disconnect the negative battery cable, then raise and support the vehicle safely. Be sure the vehicle is at a height where under right hand hood access is still possible.
  4.  
  5. Remove or disconnect the following:

    Front wheel
     
    Stabilizer bar link to the strut assembly attaching nut and separate it from the strut
     
    Loosen the steering knuckle to strut nuts
     
    Wheel Speed Sensor (WSS) harness and bracket, if equipped
     
    Strut cap and body nut
     
    Place a rag over the CV-joint seal to protect it from damage, then remove the 2 steering knuckle-to-strut housing bolts
     
    Steering knuckle to strut fasteners
     
    Strut assembly from the vehicle
     

  6.  

To install:

  1. Install or connect the following:

    Strut to the body and torque the new attaching nut to 81 ft. lbs. (110 Nm)
     
    Strut to the steering knuckle bolts but leave the nuts off
     
    WSS bracket and harness, if equipped
     
    Strut to the steering knuckle nuts and torque to 89 ft. lbs. (120 Nm)
     
    Stabilizer bar link to the strut and torque the fastener to 48 ft. lbs. (65 Nm)
     
    Front wheel
     
    Negative battery cable
     

  2.  
  3. Check and adjust the alignment as necessary.
  4.  

 
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