Toyota Cressida and Van 1983-1990

Torsion Bars

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REMOVAL & INSTALLATION



Van
2WD MODELS


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Fig. Fig. 1 When removing the torsion bar spring, place matchmarks on the torsion bar, anchor arm and torque arm



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Fig. Fig. 2 Remove the locknut and measure the protruding bolt end (A) for reference of ground clearance



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Fig. Fig. 3 Remove the adjusting nut, then the anchor arm and torsion bar



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Fig. Fig. 4 The left and right torsion bars are marked from the factory, do not interchange them



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Fig. Fig. 5 If installing a new torsion bar, apply light lithium based grease to the spline of the torsion bar



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Fig. Fig. 6 On new torsion bar installation, the bolt end protrusion should measure about 0.39 in. (10mm)



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Fig. Fig. 7 Adjust the height at bolt (B)

These vehicles are equipped with torsion bar front springs.

Great care must be taken to make sure springs are not mixed after removal. It is strongly suggested that before removal, each spring be marked with paint, showing front and rear of spring and from which side of the vehicle it was taken. If the springs are installed backwards or on the wrong sides of the vehicle, they could fracture. If replacing the springs, it is not necessary to mark them.

  1. Raise and safely support the front of the vehicle.
  2.  
  3. Slide the boot from the rear of torsion bar spring, then paint an alignment mark from the torsion bar spring onto the anchor arm and the torque arm. There are right and left identification marks on the rear end of the torsion bar springs.
  4.  
  5. On the rear torsion bar spring holder, there is a long bolt that passes through the arm of the holder and up through the frame crossmember. Remove the locking nut only from this bolt.
  6.  
  7. Using a small ruler, measure the length from the bottom of the remaining nut to the threaded tip of the bolt and record this measurement.
  8.  
  9. Place a jack under the rear torsion bar spring holder arm and raise the arm to remove the spring pressure from the long bolt. Remove the adjusting nut from the long bolt.
  10.  
  11. Slowly lower the jack.
  12.  
  13. Remove the long bolt, the spacers, the anchor arm and the torsion bar spring. The torsion bar should be easily pulled out of the anchor and the torque arms.
  14.  

Inspect all parts for wear damage or cracks. Check the boots for rips and wear. Inspect the splined ends of the torsion bar spring and the splined holes in the rear holder and the front torque arm for damage. Replace as necessary.

To install:

  1. Coat the splined ends of the torsion bar with multi-purpose grease.
  2.  
  3. If installing the old torsion bars, perform the following:
  4.  
    1. Slide the front of the torsion bar spring into the torque arm, making sure that the alignment marks are matched.
    2.  
    3. Slide the anchor arm onto the rear of the torsion bar spring, making sure that the alignment marks are matched. Install the long bolt and it's spacers.
    4.  
    5. Tighten the adjusting nut so that it is the same length as it was before removal.
    6.  


Do not install the locknut.

  1. When installing a new torsion bar spring, perform the following:
  2.  
    1. Raise the front of the vehicle, replace the wheel and tire assembly, place a wooden block, 7 1 / 2 in. (191mm) high, under the front tire. Lower the jack until the clearance between the spring bumper (on the lower control arm) and the frame is 1 / 2 in. (13mm).
    2.  
    3. Slide the front of the torsion bar spring into the torque arm.
    4.  
    5. Install the anchor arm into the rear of the torsion bar spring, then the long bolt and the spacers. the distance from the top of the upper spacer to the tip of the threaded end of bolt is 8-28mm (0.310-1.100 in.).
    6.  


Make sure the bolt and bottom spacer are snugly in the holder arm while measuring.

    1. Remove the wooden block and lower the vehicle until it rests on the jackstands.
    2.  
    3. Install and tighten the adjusting nut until the distance from the bottom of the nut to the tip of the threaded end of the bolt is 68.5-89mm (2.7-3.5 in.).
    4.  


Do not install the locknut.

  1. Apply multi-purpose grease to the boot lips, then refit the boots to the torque and the anchor arms.
  2.  
  3. Lower the vehicle to the floor and bounce it several times to settle the suspension. With the wheels on the ground, measure the distance from the ground to the center of the lower control arm-to-frame shaft. Adjust the vehicle height using the adjusting nut on the anchor arm. The height should be approximately 262mm (10.31 in.).
  4.  

If, after achieving the correct vehicle height, the distance from the bottom of the adjusting nut to the top of the threaded end of the long bolt is not within 68.5-89mm (2.7-3.5 in.), change the position of the anchor arm-to-tension bar spring spline and reassemble.

  1. Install and tighten the locknut on the long bolt to 61 ft. lbs.
  2.  

Make sure the adjusting nut does not move when tightening locknut.

4WD MODELS

Great care must be taken to make sure springs are not mixed after removal. It is strongly suggested that before removal, each spring be marked with paint, showing front and rear of spring and from which side of the vehicle it was taken. If the springs are installed backwards or on the wrong sides of the vehicle, they could fracture. If replacing the springs, it is not necessary to mark them.

  1. Raise and safely support the vehicle.
  2.  
  3. Using a piece of chalk, remove the boots, then, matchmark the torsion bar spring, the anchor arm and the torque arm.
  4.  
  5. Remove the locknut.
  6.  
  7. Measure the protruding length of the adjusting arm bolt (from the nut to the end of the bolt).
  8.  

The adjusting arm bolt measurement is used as a reference to establish the chassis ground clearance.

  1. Remove the adjusting nut, the anchor arm and the torsion bar spring.
  2.  

When installing the torsion bar springs, be sure to check the left/right indicating marks on the rear end of the springs; be careful not to interchange the springs.

To install:

  1. Using molybdenum disulphide lithium base grease, apply a coat to the torsion bar spring splines.
  2.  
  3. If installing a used torsion bar spring, perform the following procedures:
  4.  
    1. Align the matchmarks and attach the torsion bar spring to the torque arm.
    2.  
    3. Align the matchmarks and attach the anchor arm to the torsion bar spring.
    4.  
    5. Tighten the adjusting nut until the bolt protrusion is the same as it was before.
    6.  

  5. If installing a new torsion bar spring, perform the following procedures:
  6.  
    1. Make sure the upper and lower arms rebound.
    2.  
    3. Install the boots onto the torsion bar spring.
    4.  
    5. Install one end of the torsion bar spring to the torque arm.
    6.  
    7. Install the torsion bar spring onto the opposite end of the anchor arm.
    8.  
    9. Finger-tighten the adjusting nut until the adjusting bolt protrudes about 39.8mm (1.570 in.).
    10.  
    11. Tighten the adjusting nut until the adjusting bolt protrudes about 61mm (2.400 in.).
    12.  
    13. Install the wheel(s) and lower the vehicle. Bounce the front of the vehicle to stabilize the suspension.
    14.  

  7. To adjust the ground clearance, turn the adjusting nut until the center of the cam plate nut (located of the front end of the lower suspension arm) is 252.5mm (9.940 in.) above the ground.
  8.  
  9. After adjusting the ground clearance, tighten the locknut to 58 ft. lbs. then, install the boots.
  10.  

 
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