Subaru ff-1/1300/1400/1600/1800/Brat 1970-1984 Repair Guide

Rear Control (Inner) Arms

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REMOVAL & INSTALLATION




WARNING
The vehicle must be in the unloaded condition. Remove all cargo from the vehicle, there should be no weight bearing down on the rear suspension.

  1. Loosen the rear wheel lug nuts.
  2.  
  3. Raise and support the rear of the vehicle with jackstands; position the jackstands under the crossmember.
  4.  
  5. Remove the wheel/tire assemblies.
  6.  
  7. Remove the shock absorber/strut-to-inner arm nut/bolt and separate the shock absorber/strut from the inner arm.
  8.  
  9. If equipped with 4WD, perform the following procedures:
  10.  
    1. Using a 6mm pin punch, drive the spring pins from the halfshaft-to-axle shaft and the halfshaft-to-differential assembly.
    2.  
    3. While pushing downward on the inner arm, separate the halfshaft from the axle shaft.
    4.  
    5. Pull the halfshaft from the differential and position it out of the way.
    6.  

  11. Disconnect and plug the brake hose from the brake pipe on each inner arm.
  12.  
  13. Remove the outer arm-to-inner arm nuts/bolts, then separate the inner arm from the outer arm and support the inner arm with a jackstand.
  14.  
  15. Remove the inner arm-to-crossmember nut/bolt and the inner arm from the vehicle.
  16.  

To install:

  1. Use new spring pins (4WD) and reverse the above process.
  2.  
  3. Torque the inner arm-to-crossmember nuts/bolts to 54-69 ft. lbs. (73-93 Nm) and the inner arm-to-outer arm bolts to 87-108 ft. lbs. (117-146 Nm).
  4.  
  5. Torque the shock absorber-to-inner arm nut/bolt to 65-87 ft. lbs. (88-117 Nm).
  6.  
  7. Bleed the brake system. Check and/or adjust the rear vehicle height and the rear wheel alignment.
  8.  

 
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