Lexus IS250 · Service Manual STEERING

REASSEMBLY

Removal / installation

NOTICE:
  1. When using a vise, do not overtighten.
  2. When installing, coat the parts indicated by allows with MP grease (Click here).


1. INSTALL STEERING MAIN SHAFT ASSEMBLY

  1. Secure the steering column tube assembly upper in a vise.

  1. Install the steering main shaft assembly to the steering column tube assembly upper.

  1. C104470E01
    Using a snap ring expander, install a new steering main shaft snap ring to the steering main shaft.

    NOTICE:
    1. Do not damage the steering main shaft.
    2. Securely install the steering main shaft snap ring to the groove on the steering main shaft.


2. INSTALL TILT STEERING SUPPORT COLLAR

  1. C104850E01
    Install the 2 tilt steering support collars to the steering column tube assembly lower.

    NOTICE:
    Install the tilt steering support collars with the notches facing the direction shown in the illustration.


3. INSTALL STEERING COLUMN BRACKET SPACER

  1. C104853E01
    Using a vise with an aluminum plate and a shop rag or a piece of cloth, install the steering column bracket spacer to the steering column tube assembly lower.

    NOTICE:
    Install the steering column bracket spacer with its bore facing the direction shown in the illustration.


4. INSTALL TELESCOPIC STEERING GUIDE

  1. C104854E02
    Align the 3 protrusions on the telescopic steering guide with the 3 holes on the steering column tube assembly lower, and install the telescopic steering guide to the steering column tube assembly lower.


5. INSTALL STEERING COLUMN TUBE ASSEMBLY LOWER

  1. C106125E01
    Apply MP grease to the area shown in the illustration on the steering main shaft assembly.

  1. C104465E02
    Install the steering column tube assembly lower to the steering column tube assembly upper.


6. INSTALL STEERING MAIN SHAFT SNAP RING

  1. Secure the steering column tube assembly upper in a vise.

  1. C104474E01
    Using a snap ring expander, install a new steering main shaft snap ring to the steering main shaft.

    NOTICE:
    1. Do not damage the steering main shaft.
    2. Securely install the steering main shaft snap ring to the groove on the steering main shaft.


7. INSTALL TILT STEERING PAWL ASSEMBLY

  1. C104475
    Install the tilt steering pawl to the steering column tube assembly upper.

    NOTICE:
    Make sure that the tilt steering pawl is installed in the collect direction as shown in the illustration.


8. INSTALL BREAK AWAY BRACKET

  1. C104476
    Apply MP grease to the sliding surface of the break away bracket, and install it to the steering column tube assembly upper.


9. INSTALL STEERING COLUMN TUBE STOPPER

  1. C104477E01
    Apply MP grease to the sliding surface of the steering column tube stopper (with groove).

  1. Install the steering column tube stopper (with groove) to the break away bracket as shown in the illustration.

  1. C104478E01
    Apply MP grease to the sliding surface of the steering column tube stopper (without groove).

  1. Install the steering column tube stopper (without groove) to the break away bracket as shown in the illustration.


10. INSTALL NO. 1 TILT LEVER LOCK BOLT

  1. C104479E01
    Apply MP grease to the sliding surface of the steering telescopic lever, and insert the No. 1 tilt lever lock bolt to the steering telescopic lever.

  1. C104480
    Install the No. 1 tilt lever lock bolt to the break away bracket.

    NOTICE:
    1. Do not drop the steering column tube stopper.
    2. Securely insert the No. 1 tilt lever lock bolt into the hole of the tilt steering pawl.

  1. C104481E01
    Apply MP grease to the sliding surface of the thrust needle roller bearing, and install it to the No. 1 tilt lever lock bolt.

  1. Install the tilt steering rotor.

  1. Temporarily tighten a new tilt steering adjusting nut.

    NOTICE:
    The tilt steering adjusting nut is a left-hand threaded nut.

  1. C120777
    Using a socket hexagon wrench (8 mm), torque the No. 1 tilt lever lock bolt.

    Torque:
    2.0 N*m{ 20 kgf*cm , 18 in.*lbf }

    NOTICE:
    The No. 1 tilt lever lock bolt is a left-hand threaded bolt.


11. INSTALL NO. 1 TILT STEERING SUPPORT REINFORCE

  1. C104483
    Install the tilt steering support reinforce to the steering tilt lever with the No. 2 tilt lever lock bolt.

    Torque:
    5.4 N*m{ 55 kgf*cm , 48 in.*lbf }

    NOTICE:
    The No. 2 tilt lever lock bolt is a left-hand threaded bolt.


12. INSTALL NO. 1 TILT STEERING ADJUSTING NUT

  1. C104454
    Turn the steering tilt lever to the lock position.

  1. C128796E01
    Using a socket hexagon wrench (8 mm), hold the No. 1 tilt lever lock bolt and tighten the tilt steering adjusting nut.

    Torque:
    3.0 N*m{ 31 kgf*cm , 27 in.*lbf }

    NOTICE:
    The steering adjusting nut is a left-hand threaded nut.

  1. C104485
    Using pliers, stake the No. 1 tilt steering adjusting nut.

    NOTICE:
    After installation, make sure that the No. 1 tilt steering adjusting nut is securely staked.


13. INSTALL TILT STEERING JUMP UP SPRING

  1. Secure the break away bracket in a vise.

  1. C104486
    Using pliers, install the tilt jump up spring to the break away bracket as shown in the illustration.

    HINT:
    Use a shop rag or a piece of cloth to prevent the spring from flying out.


14. INSTALL TILT LEVER RETURN SPRING

  1. C104452E01
    Using SST, install the tilt lever return spring to the break away bracket and steering tilt lever.
    SST
    09921-00010  

    NOTICE:
    Do not drop the damper from the tilt lever return spring.

    HINT:
    Use a shop rag or a piece of cloth to prevent the spring from flying out.


15. INSTALL BREAK AWAY COLLAR SUB-ASSEMBLY

  1. C104462
    Install the 2 break away collar sub-assemblies and the 2 break away capsules to the break away bracket.

    NOTICE:
    Do not crush the disc springs of the break away collars.


16. INSTALL TILT STEERING SUPPORT

  1. C120768
    Install the tilt steering support to the steering column tube assembly lower with the bolt.

    Torque:
    15 N*m{ 153 kgf*cm , 11 ft.*lbf }


17. INSTALL STEERING LOCK ACTUATOR ASSEMBLY

  1. C115548
    Temporarily install the steering lock actuator assembly with 2 new tapered-head bolts.

  1. Tighten the 2 tapered-head bolts until the bolt heads break off.

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