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Steering Column - Tilt: Diagnosis Lexus LX J80

Steering Column 4 illustrations ~237 words

Inspection

Ensure lock mechanism operates properly. Check upper bracket for damage and bearings for rotating smoothness. Check steering shafts for bending, damaged splines or damaged "U" joint. Check column tube for bending or other damage. Repair or replace components as necessary.

Scheme 1

Scheme 1: Reassembly

Scheme 2

Scheme 2
  1. To reassemble, reverse disassembly procedure. Align bushing tab with hole of column tube. Apply molybdenum disulfide lithium base grease to tilt lever assembly, lock bolt, main shaft and steering column bolt pivot points.
  2. Select steering column bolt with hole when upper column tube is marked "1"; select bolt without hole when tube is marked "2". (Scheme 1) Tap steering column bolts into place.
  3. Engage tilt sub-lever side pawl to center of ratchet. While turning tilt lever side collar, engage tilt lever side pawl to ratchet. (Scheme 2) Install and tighten tilt pawl nut.
  4. With tilt pawl and ratchet engaged, install 2 tilt pawl stoppers. Ensure alignment marks on stopper and tilt pawl align when stopper is rotated to pawl side. (Scheme 2)
  5. If alignment marks do not align, select replacement tilt pawl stoppers. See «TILT PAWL STOPPER SELECTION»(ref-54002-S00219815382001011600000). After selecting tilt pawl stoppers, ensure both sides of pawl and ratchet are fully engaged.
  6. Tighten steering column clamp tapered head bolts until hexagonal head breaks off. Ensure main shaft locks securely in uppermost and lowermost positions.
Tilt Lever Side (Mark)Tilt Sub-Lever Side (Mark)Dimension "A" In. (mm)
1A.498-.502 (12.65-12.75)
2B.494-.498 (12.55-12.65)
3C.490-.494 (12.45-12.55)
4D.486-.490 (12.35-12.45)
5E.482-.486 (12.25-12.35)

TILT PAWL STOPPER SELECTION

Pawl Mark (1)Shaft ColorShaft Part No.
1White45856-42010
2Yellow45856-42020
3Black45856-42030
(1) (Scheme 4)

TILT STEERING SHAFT SELECTION

Scheme 3

Scheme 3

Scheme 4

Scheme 4