26/07/2023 16:56:07

Brake Hose - Adaptive - Front - LH (Remove and Replace)

Correction Code 33030312

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Warning
If the vehicle has air suspension, activate "Jack" mode on the touchscreen before raising and supporting the vehicle.

Removal

  1. Open the LH front door.
  2. Remove the rear underhood apron. See Underhood Apron - Center - Rear (Remove and Replace).
  3. Raise and support the vehicle.
  4. Connect a laptop to the diagnostic port of the vehicle, and then use Toolbox 3 to locally connect to the vehicle. See Toolbox 3 (Connect and Disconnect).
  5. Unlock the vehicle gateway for diagnostic communication. See Gateway Unlock.
  6. In Toolbox 3, click the Actions tab, type "Pressure-Burnished" into the search field, click TEST_BRAKE_X_STIFFNESS-TEST-PRESSURE-BURNISHEDvia Toolbox: (link)via Service Mode: Chassis ➜ Brakes ➜ Brake Stiffness Test, click Run, and allow the routine to complete.
  7. Remove the LH front wheel. See Wheel Assembly (Remove and Install).
  8. Position an oil drain container under the LH front wheel area.
  9. Remove the banjo bolt that attaches the brake hose to the LH front brake caliper (torque 42 Nm).
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    To prevent damage always use a suitable wrench to hold the backing nut when loosening pipes and unions.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Plug pipe connections to prevent ingress of moisture or dirt.
    Informational PurposesAn informational icon, calling your attention
    Note
    Place suitable absorbent material around the affected area to absorb any possible fluid spillage.
  10. Remove the bolt that attaches the brake hose bracket to the LH air spring module (torque 10 Nm).
  11. Release the nut that attaches the LH front brake hose to the brake pipe (torque 16 Nm).
  12. Remove the retaining clip from the LH brake hose bracket.
  13. Remove the brake hose from the vehicle.

Installation

Installation procedure is the reverse of removal, except for the following:
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Note
Clean the affected areas before installation.
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Warning
Replace both sealing washers.
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CAUTION
Ensure that the brake hose is oriented correctly with no excessive twist or bends.
Warning IconA warning icon, calling your attention to a possibly risky situation
CAUTION
Ensure that the retaining clips that secure the brake hose are oriented correctly.
  1. Bleed the brake caliper (refer to procedure).
  2. Unlock the vehicle gateway for diagnostic communication, if not already unlocked. See Gateway Unlock.
  3. In Toolbox 3, click the Actions tab, type "Pressure-Burnished" into the search field, click TEST_BRAKE_X_STIFFNESS-TEST-PRESSURE-BURNISHEDvia Toolbox: (link)via Service Mode: Chassis ➜ Brakes ➜ Brake Stiffness Test, click Run, and allow the routine to complete.
  4. Perform a road test using a series of ABS-active stops and make sure that the brake pedal feel and brake performance is as intended.