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Power Steering Box: Disassembly

  1. Remove steering box from vehicle. See POWER STEERING BOX  under REMOVAL & INSTALLATION. Remove drop arm using special tool (LRT-57-012). Loosen drop arm securing nut, but do not remove before using extractor. Remove dirt excluder from output shaft. See Fig 1 .
    Fig 1: Removing Drop Arm
    G00096823Courtesy of LAND ROVER NORTH AMERICA, INC.
  2. Drain oil, remove draining plugs and bleed screw. Hold steering box over suitable container, turn input shaft from lock to lock, until oil is drained. Refit bleed screw.
  3. Rotate retainer ring until one end is 12 mm (0.47") from extractor hole. Using a drift through hole in cylinder, lift retaining ring from groove in cylinder bore. See Fig 2 .
  4. Remove retainer ring, using a screwdriver. See Fig 2 .
  5. Turn input shaft to left lock until piston pushes out cover. Turn input shaft fully in opposite direction, applying pressure to piston. See Fig 2 .
    Fig 2: Removing Retaining Ring
    G00096855Courtesy of LAND ROVER NORTH AMERICA, INC.
  6. Remove set screw retaining rack pad adjuster. See Fig 3 .
  7. Remove rack adjuster and pad. See Fig 3 . Remove sector shaft adjuster locknut.
  8. Remove 4 bolts from each corner of sector shaft cover. See Fig 3 . Screw in sector shaft adjuster until cover is removed.
  9. Slide out sector shaft. See Fig 3 .
    Fig 3: Removing Sector Shaft
    G00096859Courtesy of LAND ROVER NORTH AMERICA, INC.
    10. NOTE: Should difficulty be experienced, warm casing and bearing assembly. Cool bearing cup using a Mandrel and tap steering box on a bench.
  10. Remove piston, a bolt screwed into piston will assist removal.
  11. Remove input shaft dirt excluder.
  12. Remove worm adjuster locknut using a "C" Wrench (LRT-57-007). See Fig 4 . Remove worm adjuster using Worm Adjuster Wrench (LRT-57-006).
    Fig 4: Removing Worm Adjuster
    G00096863Courtesy of LAND ROVER NORTH AMERICA, INC.
  13. Tap splined end of shaft to free bearing. See Fig 5 .
  14. Remove bearing cup and caged ball bearing assembly. See Fig 5 . Remove valve and worm assembly. Remove inner bearing cage, cup and shim washers. Retain shims for reassembly.
    Fig 5: Removing Inner Bearing Cage, Cup & Shim Washers
    G00096867Courtesy of LAND ROVER NORTH AMERICA, INC.
    15. CAUTION: Do not remove sector shaft bearings from casing. Replacement parts are not available. If sector shaft bearings are worn, install a new steering box.
  15. To remove steering box seals, remove circlip and seal from sector shaft housing bore. See Fig 6 .
    16. CAUTION: The use of a seal puller is recommended to prevent damage to casing, and possible oil leaks.
  16. Remove circlip and seals from input shaft housing bore. See Fig 6 .
Fig 6: Removing Circlips & Seals From Input Shaft Housing Bore
G00096871Courtesy of LAND ROVER NORTH AMERICA, INC.
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