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 (Land Cruiser, Tacoma 4WD, Tundra & 4Runner)

Reassembly (Land Cruiser, Tacoma 4WD, Tundra & 4Runner)

  1. With rack housing mounted vertically in soft-jaw vise, coat NEW seal lip with power steering fluid. Press seal and spacer 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 sleeve 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 rack housing oil seal lip with power steering fluid. Install seal into rack housing.
  4. Coat NEW cylinder end stopper "O" ring with power steering fluid. Install cylinder end stopper and tighten to specification. See TORQUE SPECIFICATIONS . Stake rack housing at end stopper.
  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 a leak, check installation of oil seals at each end of housing. See Figure.
  6. Coat Teflon rings of control valve assembly with power steering fluid. Wrap serrated end of control valve shaft with tape. Push control valve assembly into housing. Coat NEW "O" ring with power steering fluid and install into bearing guide nut. Install and tighten nut. See TORQUE SPECIFICATIONS . Stake guide nut.
  7. Coat NEW control valve "O" ring with power steering fluid. Install into control valve housing. Align reference marks for housings. Position control valve housing. Install and tighten mounting bolts. See TORQUE SPECIFICATIONS . Install dust cover.
  8. Install rack guide, spring and rack guide spring cap. Apply thread lock sealant to cap threads. Temporarily install cap.
  9. Temporarily install both rack ends. Using a 21-mm wrench, tighten rack guide spring cap to 18 ft. lbs. (24 N.m). Loosen cap by 12 degrees on Tundra, or 19 degrees on all other models. With torque wrench on top end of control valve stem, turn stem right and left 1-2 times. Loosen rack guide spring cap until rack guide spring is not functioning. Tighten rack guide spring cap until preload is within 11.5-16 INCH lbs. (1.3-1.8 N.m) on Land Cruiser, 10.4-13.9 INCH lbs. (1.2-1.6 N.m) on Tundra, or 4.1-14.9 INCH lbs. (0.5-1.7 N.m) on all other models, measured with torque wrench on control valve stem. See Figure.
  10. Apply thread lock sealant to rack guide spring cap lock nut. Hold spring cap from rotating, use torque wrench to tighten lock nut to specification. See TORQUE SPECIFICATIONS . Recheck preload.
  11. 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 56 ft. lbs. (76 N.m). Stake claw washers.
  12. Ensure steering rack hole (next to rack end) is not clogged with grease. Clean as necessary. Install boots, clamps and clips. Pinch clamp until there is .08" (2.0 mm) or less clearance between clamp ends.
  13. 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 .
  14. Install NEW union seats into housing fittings. Install 2 turn pressure tubes. Tighten fittings to specification. See TORQUE SPECIFICATIONS .
scientia non olet · About LEMON Manuals