Avenger, Sebring Coupe, Stratus Coupe, 1999-2006

Upper Control Arms

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NOTE
Before servicing the vehicle, also refer to the precautions in the beginning of this section.

Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Disassemble as follows:

    Remove the rear shock from the vehicle.
     
    Install the assembly in a spring compressor tool.
     
    Remove the jam nut, washer and upper bushing.
     
    Remove the upper bracket assembly and spring pad.
     
    Remove the collar and bushing.
     
    Remove the cup, bump rubber and dust cover.
     
    Remove the coil spring

    Click image to see an enlarged view

    Fig. Compress the coil spring as shown

     

  4.  

To assemble:

  1. Install the coil spring to the shock absorber using compressor Tools MB991237 and MB991239.
  2.  
  3. Install the dust cover and bump rubber.
  4.  
  5. Install the cup and bushing
  6.  
  7. Install the collar, supper spring pad and bracket assembly.
  8.  
  9. Install the upper bushing and washer.
  10.  
  11. When properly aligned, install the jam nut and torque to 17 ft. lbs. (23 Nm).
  12.  
  13. Remove the compressor tools and install the shock absorber.
  14.  

  1. Raise vehicle.
  2.  
  3. Remove the both rear wheel and tire assemblies from the vehicle.
  4.  
  5. Remove the shock absorber clevis bracket to rear knuckle attaching bolt and nut on both sides of the vehicle.
  6.  
  7. Remove the muffler support bracket from rear frame rail.
  8.  
  9. Remove the rear exhaust pipe hanger bracket from the rear suspension crossmember. Let exhaust system drop down as far as possible.
  10.  
  11. If vehicle is equipped with antilock brakes, remove routing clips for wheel speed sensor cable from brackets on both upper control arms.
  12.  
  13. If vehicle is equipped with antilock brakes, remove bolts and wheel speed sensor heads from both rear knuckles.
  14.  
  15. Remove the both rear disc brake calipers from knuckles and hang out of way using wire or cord. Do not allow calipers to hang by brake hoses.
  16.  
  17. Release brake tubing from clips on top of crossmember.
  18.  
  19. On the side of the vehicle requiring control arm removal, separate the control arm ball joint from the rear knuckle using following procedure:
    1. Back off nut retaining upper control arm ball joint to knuckle until nut is even with end of stud. This action will help avoid damaging the stud threads when the stud is released from the knuckle in the following step.
    2.  
    3. Remove ball joint stud from knuckle using a puller.
    4.  
    5. Remove nut retaining upper control arm ball joint to knuckle.
    6.  

  20.  
  21. Position a transmission jack and wooden block under the center of the rear suspension crossmember to support and lower crossmember during removal.
  22.  
  23. Remove the 4 bolts attaching rear suspension crossmember to rear frame rails.
    WARNING
    When lowering rear suspension crossmember do not put a strain on the rear brake flex hoses.

  24.  
  25. Lower the rear suspension crossmember far enough to access the upper control arm pivot bar to crossmember attaching bolts.
  26.  
  27. Remove the 2 bolts attaching the upper control arm to the rear suspension crossmember.
  28.  
  29. Remove the upper control arm from the rear suspension crossmember.
  30.  
  31. Transfer any required components to the replacement control arm.
  32.  

To install:

  1. Align the pivot bar on the upper control arm with the mounting holes in the rear suspension crossmember. Install the pivot bar attaching bolts. Tighten the 2 pivot bar attaching bolts to 80 ft. lbs. (108 Nm).
  2.  
  3. Using transmission jack, raise rear suspension crossmember up to the rear frame rails and loosely Install the 4 attaching bolts.
  4.  
  5. Position an appropriate size drift into the positioning hole in each side of rear suspension crossmember and crossmember locating holes in frame rails of the vehicle. This is required to properly position rear suspension crossmember to the body of the vehicle. Tighten the 4 crossmember to frame rail attaching bolts to 80 ft. lbs. (108 Nm). Remove drifts from rear suspension crossmember.
  6.  
  7. Remove the transmission jack supporting rear suspension crossmember.
  8.  
  9. Install the upper ball joint stud in knuckle. Install and tighten the ball joint stud nut to 20 ft. lbs. (27 Nm).
  10.  
  11. Install the brake tubing above the rear suspension crossmember into the routing clips on top of the crossmember.
  12.  
  13. Install the rear brake calipers onto rear knuckles.
  14.  
  15. If vehicle is equipped with antilock brakes, attach wheel speed sensor heads to both rear knuckles. Tighten sensor mounting bolts to 75 inch lbs. (8 Nm).
  16.  
  17. If vehicle is equipped with antilock brakes, install the routing clips for wheel speed sensor cables onto brackets on both upper control arms. Securely tighten routing clip attaching bolts.
  18.  
  19. Install the muffler support bracket on rear frame rail.
  20.  
  21. Install the rear exhaust pipe hanger on rear suspension crossmember.
  22.  
  23. Install the shock absorber clevis brackets on the rear knuckles. Tighten the shock absorber mounting bolts to 70 ft. lbs. (95 Nm).
  24.  
  25. Install the wheel and tire assembly on vehicle. Progressively tighten the wheel mounting nuts in crisscross sequence until all nuts are torqued to half specification. Then repeat the tightening sequence to the full specified torque of: 100 ft. lbs. (135 Nm).
  26.  
  27. Lower vehicle.
  28.  
  29. Check and reset if required, rear wheel camber and toe to preferred specifications.
  30.  

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Raise and safely support the vehicle.
  4.  
  5. Remove the rear wheel and tire assemblies from the vehicle.
  6.  
  7. Remove the shock absorber clevis bracket to rear knuckle attaching bolt and nut on both sides of the vehicle.
  8.  
  9. Remove the muffler support bracket from the rear frame rail.
  10.  
  11. Remove the rear exhaust pipe hanger bracket from the rear suspension crossmember. Let exhaust system drop down as far as possible.
  12.  
  13. If the vehicle is equipped with antilock brakes, remove the routing clips for the wheel speed sensor cable from the brackets on both upper control arms.
  14.  
  15. If the vehicle is equipped with antilock brakes, remove the bolts and wheel speed sensor heads from both rear knuckles.
  16.  
  17. Remove the rear disc brake calipers from the knuckles and hang them out of way using a wire or cord. Do not allow the calipers to hang by the brake hoses.
  18.  
  19. Release the brake tubing from the clips on top of the crossmember.
  20.  
  21. On the side of the vehicle requiring the control arm removal, separate the control arm ball joint from the rear knuckle using following procedure:
    1. Back off the nut retaining the upper control arm ball joint to the knuckle until the nut is even with the end of the stud. This action will help avoid damaging the stud threads when the stud is released from the knuckle in the following step.
    2.  
    3. Remove the ball joint stud from the knuckle using a puller.
    4.  
    5. Remove the nut retaining the upper control arm ball joint to the knuckle.
    6.  

  22.  
  23. Position a transaxle jack and a wooden block under the center of the rear suspension crossmember to support and lower the crossmember during removal.
  24.  
  25. Remove the 4 bolts attaching the rear suspension crossmember to the rear frame rails.
    WARNING
    When lowering the rear suspension crossmember, do not put a strain on the rear brake flex hoses.

  26.  
  27. Lower the rear suspension crossmember far enough to access the upper control arm pivot bar to crossmember attaching bolts.
  28.  
  29. Remove the 2 bolts attaching the upper control arm to the rear suspension crossmember.
  30.  
  31. Remove the upper control arm from the rear suspension crossmember.
  32.  
  33. Transfer any required components to the replacement control arm.
  34.  

To install:

  1. Align the pivot bar on the upper control arm with the mounting holes in the rear suspension crossmember. Install the pivot bar attaching bolts. Tighten the 2 pivot bar attaching bolts to 80 ft. lbs. (108 Nm).
  2.  
  3. Using a transaxle jack, raise the rear suspension crossmember up to the rear frame rails and loosely install the 4 attaching bolts.
  4.  
  5. Position an appropriate size drift into the positioning hole in each side of rear suspension crossmember and crossmember locating holes in the frame rails of the vehicle. This is required to properly position the rear suspension crossmember to the body of the vehicle.
  6.  
  7. Tighten the 4 crossmember to frame rail attaching bolts to 80 ft. lbs. (108 Nm).
  8.  
  9. Remove the drifts from the rear suspension crossmember.
  10.  
  11. Remove the transaxle jack supporting the rear suspension crossmember.
  12.  
  13. Install the upper ball joint stud in the knuckle. Install and tighten the ball joint stud nut to 20 ft. lbs. (27 Nm).
  14.  
  15. Install the brake tubing above the rear suspension crossmember into the routing clips on top of the crossmember.
  16.  
  17. Install the rear brake calipers onto the rear knuckles.
  18.  
  19. If the vehicle is equipped with antilock brakes, attach the wheel speed sensor heads to both rear knuckles. Tighten the sensor mounting bolts to 75 inch lbs. (8 Nm).
  20.  
  21. If the vehicle is equipped with antilock brakes, install the routing clips for the wheel speed sensor cables onto the brackets on both upper control arms. Securely tighten the routing clip attaching bolts.
  22.  
  23. Install the muffler support bracket on the rear frame rail.
  24.  
  25. Install the rear exhaust pipe hanger on the rear suspension crossmember.
  26.  
  27. Install the shock absorber clevis brackets on the rear knuckles. Tighten the shock absorber mounting bolts to 70 ft. lbs. (95 Nm).
  28.  
  29. Install the wheel and tire assembly on the vehicle. Progressively tighten the wheel mounting nuts in crisscross sequence until all the nuts are torqued to half specification. Then repeat the tightening sequence to the full specified torque of 100 ft. lbs. (136 Nm).
  30.  
  31. Lower the vehicle.
  32.  
  33. Check the rear wheel camber and toe. Make adjustments to the alignment as necessary.
  34.  

2.0L & 2.5L Engines

Vehicles using the 2.0L or 2.5L use a coil over-type rear spring and damper assembly. The spring and damper are removed from the vehicle as a unit, and then the spring is removed from the damper with a spring compressor. Access for the nuts attaching the rear shock assembly upper mount to the vehicle is through the inside of the trunk.

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Roll back carpeting on top of the rear shock tower to access shock mounting nuts.
  4.  
  5. Remove or disconnect the following:

    Plastic cover from the top of the shock tower
     
    2 nuts attaching the shock assembly upper mount/spring seat to the shock tower
     

  6.  
  7. Raise vehicle on jackstands or centered on a frame contact type hoist.
  8.  
  9. Continue removing:
    NOTE
    Press the rear suspension down if more clearance is needed to remove spring/damper combo.



    Rear wheel and tire assembly from the vehicle
     
    Bolt attaching shock absorber to rear knuckle
     
    Shock absorber from the rear knuckle
     

  10.  
  11. To hold the coil spring securely, evenly install special tools MB991237 and MB991239 or suitable spring compressor so that the space between both arms of the special tool or compressor will be maximum within the installation range.
    WARNING
    Do not use an impact wrench to tighten the bolt of special tool MB991237. It will break the special tool.

  12.  
  13. Use special tools MB991237 and MB991239 or spring compressor to compress the coil spring.
  14.  
  15. Loosen the jam nut while holding the piston rod as shown in the diagram.
  16.  
  17. Remove the jam nut, washer and upper bushing.
  18.  
  19. Remove the upper bracket assembly and spring pad.
  20.  
  21. Remove the collar and bushing.
  22.  
  23. Remove the cup, bump rubber and dust cover.
  24.  
  25. Remove the coil spring
  26.  

To assemble:

  1. Install the coil spring to the shock absorber using Special Tools MB991237 and MB991239 or suitable spring compressor.
  2.  
  3. Align the edge of the coil spring to the stepped portion of the shock absorber spring seat.
  4.  
  5. Install the upper bracket assembly so that the lower bushing inner pipe of the shock absorber is perpendicular to the radial alignment of the upper bracket's studs.
  6.  
  7. Install or connect the following:

    Dust cover and bump rubber.
     
    Cup and bushing
     
    Collar, upper spring pad and bracket assembly.
     
    Upper bushing and washer.
     

  8.  
  9. When properly aligned, remove special tools MB991237 and MB991239, and then tighten the jam nut and torque to 17 ft. lbs. (23 Nm).
    WARNING
    Do not use an impact wrench to tighten the jam nut, otherwise the jam nut will be damaged.

  10.  
  11. Remove the compressor tools and install the shock absorber.
  12.  
  13. Install shock assembly back in vehicle using the reverse sequence of removal.
  14.  
  15. Install upper shock mount into the mounting holes in rear shock tower.
  16.  
  17. Push down on rear knuckle to obtain clearance and then install shock absorber clevis bracket on rear knuckle.
  18.  
  19. Align clevis bracket on shock absorber with bushing in knuckle and torque the bolt to 70 ft. lbs. (95 Nm)
  20.  
  21. Lower vehicle far enough to gain access to the trunk.
  22.  
  23. Install and tighten the 2 shock absorber mounting bracket attaching nuts and torque to 40 ft. lbs. (54 Nm)
  24.  
  25. Install plastic cover on shock tower.
  26.  
  27. Install carpeting back on shock tower.
  28.  
  29. Install wheel and tire assembly on vehicle and torque the nuts to 95 ft. lbs. (129 Nm) in a crisscross pattern.
  30.  
  31. Lower vehicle to the ground.
  32.  

2.4L & 3.0L Engines
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Disassemble as follows:


  4.  
  5. Remove the rear shock absorber and spring assembly from the vehicle.
  6.  
  7. To hold the coil spring securely, evenly install special tools MB991237 and MB991239 or suitable spring compressor so that the space between both arms of the special tool or compressor will be maximum within the installation range.
    WARNING
    Do not use an impact wrench to tighten the bolt of special tool MB991237. It will break the special tool.

  8.  
  9. Use special tools MB991237 and MB991239 or spring compressor to compress the coil spring.
  10.  
  11. Loosen the jam nut while holding the piston rod as shown in the diagram.
  12.  
  13. Remove the jam nut, washer and upper bushing.
  14.  
  15. Remove the upper bracket assembly and spring pad.
  16.  
  17. Remove the collar and bushing.
  18.  
  19. Remove the cup, bump rubber and dust cover.
  20.  
  21. Remove the coil spring
  22.  

To assemble:

  1. Install the coil spring to the shock absorber using Special Tools MB991237 and MB991239 or suitable spring compressor.
  2.  
  3. Align the edge of the coil spring to the stepped portion of the shock absorber spring seat.
  4.  
  5. Install the upper bracket assembly so that the lower bushing inner pipe of the shock absorber is perpendicular to the radial alignment of the upper bracket's studs.
  6.  
  7. Install or connect the following:

    Dust cover and bump rubber.
     
    Cup and bushing
     
    Collar, upper spring pad and bracket assembly.
     
    Upper bushing and washer.
     

  8.  
  9. When properly aligned, remove special tools MB991237 and MB991239, and then tighten the jam nut and torque to 17 ft. lbs. (23 Nm).
    WARNING
    Do not use an impact wrench to tighten the jam nut, otherwise the jam nut will be damaged.

  10.  
  11. Remove the compressor tools and install the shock absorber.

    Click image to see an enlarged view

    Fig. Alignment of lower bushing pipe to upper spring seat studs-all models



    Click image to see an enlarged view

    Fig. Alignment of spring seat-all models



    Click image to see an enlarged view

    Fig. Rear shock access-all models



    Click image to see an enlarged view

    Fig. Holding the piston rod to remove jam nut-all models



    Click image to see an enlarged view

    Fig. Compress the coil spring as shown-all models

  12.  

 
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