Volvo Coupes/Sedans/Wagons 1970-1989 Repair Guide

Shock Absorbers

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REMOVAL & INSTALLATION



140, 160 and 200 Series

See Figures 1, 2, 3, 4 and 5

  1. Remove the hub cap and loosen the lug nuts two or three turns. Place blocks in front of the front wheels. Jack up the rear of the car and place jackstands in front of the rear jacking points. Remove the wheel.
  2.  



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Fig. Fig. 1: Use a wrench with sufficient leverage to remove the upper shock absorber mounting nut



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Fig. Fig. 2: Use a wrench to prevent the bolt from turning while you remove the nut retaining the lower mounting hardware

  1. Remove the nuts and bolts which retain the shock absorber to its upper and lower attachments and remove the shock absorber. Make sure that the spacing sleeve (inside the axle support arm for the lower attachment) is not misplaced.
  2.  



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Fig. Fig. 3: Cutaway view of the rear shock absorber and its mounting points-200 series



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Fig. Fig. 4: Once detached, remove the through-bolt that serves as the lower shock pivot

  1. The damping effect of the shock absorber may be tested by securing the lower attachment in a vise and extending and compressing it. A properly operating shock absorber should offer about three times as much resistance to extending the unit as to compressing it. Replace the shock absorber if any impaired function is found. Also replace it if any leakage is present or if the rubber bushings are damaged.
  2.  



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Fig. Fig. 5: Once free, remove the shock absorber from the vehicle

To install:
  1. Position the shock absorber to its upper and lower attachments. Make sure that the spacing sleeve is installed inside the axle support (trailing) arm and is aligned with the lower attachment bolt hole.
  2.  
  3. Install the retaining nuts and bolts and tighten to 63 ft. lbs. (85 Nm). On 240 and 260 series, the shock fits inside the support arm. On all 140 and 164 models, the shock attaches on the outboard side of the support arm.
  4.  
  5. Install the wheel and tire assembly. Remove the jackstands and lower the car. Tighten the lug nuts to 85-90 ft. lbs. (115-122 Nm), and install the hub cap.
  6.  

1800 Series
  1. Fold the rear seat back forward. On 1800E models, remove the upholstery for the shelf under the rear window, and on 1800ES models fold back the carpet for the cargo bed, which will reveal the shock absorber upper attaching points.
  2.  
  3. Remove the upper nut, washers, and outer rubber bushing from the top of the shock absorber.
  4.  
  5. Under the car, remove the lower nut, washer, and outer rubber bushing from the bottom of the shock absorber.
  6.  
  7. Compress and remove the shock absorber.
  8.  
  9. Test the damping action of the shock absorber. Extending the unit should offer about three times as much resistance as compressing the unit. If the shock absorber is operating properly and is being reinstalled, be sure to use new rubber bushings.
  10.  

To install:
  1. Install inner washers and new rubber bushings, if removed, on the unit. Compress the shock absorber and position it to its upper and lower attachments.
  2.  
  3. Install the outer nut, washers, and new rubber bushings first to the top and then to the bottom of the shock absorber.
  4.  
  5. Replace the package shelf upholstery or the cargo bed carpet to its original position.
  6.  

700 Series Except Multi-link Suspension
  1. Loosen the lug nuts two or three turns. Place blocks in front of the front wheels. Jack up the rear of the car and place jackstands in front of the rear jacking points.
  2.  
  3. Remove the wheel. (While not absolutely necessary, access is improved.)
  4.  
  5. Place a jack under the rear axle and elevate the axle just enough to take the tension off the lower shock absorber mount.
  6.  
  7. Remove the lower shock absorber bolt.
  8.  
  9. In the spare tire well, locate and remove the rubber plug which covers the access hole to the upper shock mount.
  10.  


CAUTION
Remember the car is on jackstands. Do not climb into the trunk or the car may become unbalanced and fall off the stands. Work from the side of the car and reach into the trunk.

  1. Remove the upper bolt and remove the shock absorber.
  2.  

To install:
  1. First tighten the upper bolt and then the lower one. Tighten both bolts to 63 ft. lbs. (85 Nm). Replace the rubber plug in the spare tire well.
  2.  
  3. Lower the rear axle and remove the jack.
  4.  
  5. Install the wheel and lower the vehicle. Tighten the wheel lugs to 63 ft. lbs. (85 Nm).
  6.  

 
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