16/08/2023 04:31:49

Brake Caliper - Rear - Mando - LH (Remove and Replace)

Correction Code 33010902

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Warning
If the vehicle has air suspension, activate "Jack" mode on the touchscreen before raising and supporting the vehicle.
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Note
Model S base vehicles built after November 16, 2016, have Mando rear integrated parking brake calipers. These vehicles use 1 caliper instead of 2 calipers.
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Note
For replacing brake calipers on Model S base vehicles built before November 16, 2016, or any Model S performance vehicle, replace the Brembo calipers, see Brake Caliper - Rear - Brembo - LH (Remove and Replace).

Special tools recommended for this procedure:

Part Number Description
1085936-00-A E18 Torx Socket
  • 2023-07-20: Replaced removal of brake hose with step to release brake hose from caliper and replace washers.
  • 2023-08-16: Updated EPB Service Mode routine.

Removal

  1. 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).
  2. Unlock the vehicle gateway for diagnostic communication. 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. Remove the underhood storage unit. See Underhood Storage Unit (Remove and Install).
  5. Remove the brake fluid reservoir cap and place an absorbent material around the opening of the reservoir.
    Informational PurposesAn informational icon, calling your attention
    Note
    Place suitable absorbent material around the affected area to absorb any possible fluid spillage.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    If brake fluid is spilled on a painted surface, wash off immediately with clean water.
  6. Remove the rear wheel. See Wheel Assembly (Remove and Install).
  7. Using Toolbox 3:
    1. Select the Actions tab and search for "EPB Service Mode".
    2. For Intel based MCUs, select the ODIN routine PROC_EPB_X_SERVICE-MODEvia Toolbox: (link)via Service Mode:
      • Chassis ➜ Brakes ➜ EPB Service Mode
      • Chassis ➜ Brakes ➜ EPB Service Mode
      • Chassis ➜ Brakes ➜ EPB Service Mode
      via Service Mode Plus: Drive Unit ➜ Rear Drive Unit Replacement ➜ Release / Re-Engage Emergency Parking Brake      , and then click the link of the routine.
    3. For Tegra based MCUs, select the ODIN routine PROC_EPB_X_SERVICE-MODE-STARTvia Toolbox: (link), and then click the link of the routine.
    4. Click RUN, and allow the routine to complete.
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      Note
      Press and hold the brake pedal while performing this routine.
      Warning IconA warning icon, calling your attention to a possibly risky situation
      CAUTION
      The vehicle may roll freely.
  8. Disconnect the harness from the caliper motor.
  9. Remove the bolt that attaches the brake hose to the caliper (torque 42 Nm), and then release the hose from the caliper.
    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.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    If brake fluid is spilled on a painted surface, wash off immediately with clean water.
  10. Remove the bolts (x2) that attach the caliper to the bracket (torque 120 Nm). Remove the caliper.
  11. Remove the bolt (x1) that attaches the name plate to the caliper.

Installation

Installation procedure is the reverse of removal, except for the following:

  • Use needle-nose pliers to ensure that the slots in the rear brake caliper piston face are at the 12 o'clock and 6 o'clock position. positions.
  • Transfer the name plate to the new caliper.
  • Install new washers (x2) when reinstalling the brake hose to the caliper.
  • Perform the brake flush procedure. See Bleed Procedure - One Caliper (Remove and Replace).
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    If brake fluid is spilled on a painted surface, wash off immediately with clean water.
  • Pump the brake pedal at least 5 times to seat the pads against the brake rotors.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warning
    Always check that the brake pads are seated correctly before driving the vehicle.
  • Unlock the vehicle gateway for diagnostic communication, if not already unlocked. See Gateway Unlock.
  • 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.
  • Burnish the brake pads. See Brake Pads - Burnishing.