18/11/2024 04:13:18

Steering Rack (LHD Dual Motor) (1st Generation) (Remove and Replace)

Correction Code 32012202

  • 2024-11-18: Updated firmware install step.
  • 2023-07-13: Updated post-replacement routines.
This procedure is for vehicles built before April 10, 2016.
See also:

  • Vehicles built between April 10, 2016 and April 24, 2019: See

  • Vehicles built after April 24, 2019: See

Warning IconA warning icon, calling your attention to a possibly risky situation
Warning
If the vehicle has air suspension, activate "Jack" mode on the touchscreen before raising and supporting the vehicle.

Removal

  1. Remove the front subframe:

    • Subframe Assembly - Front - 1st Generation (Dual Motor) (Remove and Install). See

    • Subframe Assembly - Front - 2nd Generation (Dual Motor) (Remove and Install). See

  2. Remove and discard the bolts that secure the steering rack assembly to the subframe (torque 175 Nm).
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Replace all Patchbolt(s).
    Informational PurposesAn informational icon, calling your attention
    Note
    Record the positions of any shims.

Installation

Installation procedure is the reverse of removal, except for the following:
Warning IconA warning icon, calling your attention to a possibly risky situation
CAUTION
Replace all nylon-insert locknuts.
Warning IconA warning icon, calling your attention to a possibly risky situation
CAUTION
Replace all patchbolt(s).
  • Make sure that the lower intermediate shaft to pinion markings align correctly.
  • When reinstalling the bolts that secure the steering rack to the subframe, follow this sequence:
    1. Tighten the LH bolt to 30 Nm.
    2. Tighten the RH bolt to 30 Nm.
    3. Fully torque the LH bolt to 175 Nm.
    4. Fully torque the RH bolt to 175 Nm.
  • Update the vehicle firmware. See Firmware Update.
  • Connect a laptop with Toolbox 3 to the vehicle. See Toolbox 3 (Connect and Disconnect).
  • Unlock the vehicle gateway. See Gateway Unlock.
  • Using Toolbox 3:
    1. Select the Actions tab and search for "EPAS Post Replacement"
    2. Select the ODIN routine PROC_EPAS_X_POST-REPLACEMENTvia Toolbox: (link)via Service Mode: Chassis ➜ Steering ➜ Post Steering Rack Replacement, and then click the link of the routine.
    3. Click RUN, and allow the routine to complete.
  • Perform a Lock To Lock-Angle test. See Lock To Lock-Angle Test.
  • Disconnect the laptop with Toolbox 3 from the vehicle. See Toolbox 3 (Connect and Disconnect).
  • Refer to the Alignment Requirement tables to determine whether an EPAS alignment check (EC) or four wheel alignment check (AC) is necessary. If performed, add the alignment check/adjust as a separate activity. See Alignment Requirement - Suspension.