LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2000 >> 4Runner Base, 4WD >> Repair and Diagnosis (Single Page) >> Steering >> Steering Gear >> Power Steering Rack & Pinion >> Overhaul >> Power Rack & Pinion >> Reassembly (Sienna)

Reassembly (Sienna)

  1. With rack housing mounted vertically in soft-jaw vise, coat NEW seal with power steering fluid, and press into rack housing from end opposite control valve housing portion. See Figure. Ensure oil seal faces in proper direction.
  2. Mount rack housing horizontally in vise. Clean rack teeth of any burrs. Place protective end piece on steering rack teeth end. Coat protective sleeve with power steering fluid. Install steering rack into rack housing. Remove protective sleeve.
  3. Coat NEW "O" ring with power steering fluid. Install "O" ring on rack end bushing. Wrap tape on end of steering rack (opposite of control valve housing end). Install bushing into rack housing. See Figure.
  4. Align hole for wire of cylinder end stopper with slot of rack housing. Use installer tool and turn stopper clockwise 400-500 degrees. See Figure.
  5. Install special connectors onto union fittings of rack housing and attach hand vacuum pump. Apply 15.75" Hg for about 30 seconds. Ensure there is no vacuum leak. If there is, check installation of oil seals at each end of housing. See Figure.
  6. Install grommet into rack housing bracket. Align nub on grommet with hole in bracket. Place bracket in vise, and tighten clamp in place.
  7. Wrap serrated end of control valve shaft with tape. Coat Teflon rings with power steering fluid. Install control valve assembly into rack housing. Press NEW oil seal into place after coating lip with power steering fluid.
  8. Place NEW gasket on rack housing. Align reference marks and position valve housing to rack housing. Install and tighten bolts to specifications. See TORQUE SPECIFICATIONS .
  9. Hold control valve shaft bottom end to prevent turning. Install NEW self-locking nut on top end of shaft. Tighten to specifications. See TORQUE SPECIFICATIONS . Install dust cover.
  10. Apply thread lock sealant to 2-3 threads of rack housing cap. Install and tighten cap to specification. See TORQUE SPECIFICATIONS . Stake cap in 2 places.
  11. Apply thread lock sealant to 2-3 threads of rack guide spring cap. Install rack guide sub-assembly, spring and cap. Temporarily tighten cap.
  12. Temporarily install both rack ends. Tighten rack guide cap to 18 ft. lbs. (24 N.m). Using wrench on rack guide cap, loosen cap by 12 degrees. Using torque wrench on top end of control valve stem, turn stem right and left 1-2 times. Using wrench, loosen rack guide spring cap until rack guide spring is not functioning. Tighten rack guide spring cap until preload is within 6.9-12.2 INCH lbs. (0.8-1.4 N.m), measured with torque wrench on control valve stem.
  13. Apply thread lock sealant to rack guide spring cap lock nut. Using wrench to hold spring cap from rotating, use torque wrench to tighten lock nut to specification. See TORQUE SPECIFICATIONS . Recheck preload.
  14. Remove both rack ends. Install NEW claw washers on each end of rack. Align claws with grooves in rack. Install rack ends. Hold rack from turning, and tighten rack ends to 44 ft. lbs. (60 N.m). Stake claw washers.
  15. Ensure steering rack hole (next to rack end) is not clogged with grease. Clean as necessary. Install boots and clamps. Pinch clamps until there is .08" (2.0 mm), or less, clearance between clamp ends.
  16. Screw tie rod end lock nut onto tie rod until reference marks are aligned. Install left and right tie rod ends. After adjusting toe-in, tighten lock nuts to specification. See TORQUE SPECIFICATIONS .
  17. Install 2 NEW "O" rings, coated with power steering fluid, and 2 turn pressure tubes. Tighten fittings to specification. See TORQUE SPECIFICATIONS .
scientia non olet · About LEMON Manuals