2026-02-24

Umbrella Valve - Set (Remove and Replace)

Correction code 16102742 0.66 NOTE: Unless otherwise explicitly stated in the procedure, the correction code and FRT listed above reflect all of the work required to perform this procedure, including the linked procedures. Do not stack correction codes unless explicitly told to do so. NOTE: See Flat Rate Times to learn more about FRTs and how they are created. NOTE: See Personal Protection to make sure you are wearing proper PPE when performing the procedure below. NOTE: See Ergonomic Precautions for safe and healthy working practices.

Warning IconA warning icon, calling your attention to a possibly risky situation
Warning
This procedure is a DRAFT. Although it has been validated, Warnings and Cautions might be missing. Follow safety requirements and use extreme caution when working on or near High Voltage systems and components.
  • 2026-02-24: Added caution to not skip steps. Added videos.
  • 2025-07-30: Added alternative grease.
  • 2025-05-12: Released new procedure.
Warning IconA warning icon, calling your attention to a possibly risky situation
Warning
The video(s) included in this procedure are meant as an overview for supplemental purposes only. Follow all of the steps listed in the procedure to avoid damage to components and/or personal injury.
Warning IconA warning icon, calling your attention to a possibly risky situation
CAUTION
Do not skip steps to perform the HV battery air leak test. Failure to perform the air leak test may result in HV battery water ingress.

Remove

  1. Open the front doors and lower the front windows.
  2. Open the RH rear door.
  3. Remove the RH rocker panel molding. See Molding - Rocker Panel - LH (Remove and Replace).
  4. Raise and support the vehicle. See Raise Vehicle - 2 Post Lift.
  5. Remove the mid aero shield panel. See Panel - Aero Shield - Rear (Remove and Replace).
  6. Remove the umbrella valves (x5) from the RH side of the HV battery.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warning
    If liquid is observed leaking from the valve during removal, immediately halt the procedure and consult Toolbox article 5401800 for further instructions.
    Informational PurposesAn informational icon, calling your attention
    Note
    Use a plastic trim tool to unlock the umbrella valve clips from the thermal vent.

Install

  1. Use IPA wipes to thoroughly clean the thermal vent openings (x5).
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Make sure no dirt or debris enters the HV battery enclosure during cleaning.
    Informational PurposesAn informational icon, calling your attention
    Note
    Remove any debris that may have built up. Allow 1 minute of dry time.
  2. Use a gloved finger to apply grease around the perimeter of each thermal vent opening (x5).
    • For EMEA: Molykote M77 (PN: 1014689-00-B) or Klübersynth RA 44 (PN: 1110230-01-A).
    • For other reagions: High Vacuum Grease (PN: 1024173-00-A).
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Make sure that there are no gaps in the grease application.
  3. Make sure to only use new umbrella valves. Refer to image for how to identify new parts.
  4. Inspect the new umbrella valves for proper assembly.
    Informational PurposesAn informational icon, calling your attention
    Note
    Reject any incorrectly assembled parts. Only use reworked parts if they match the “Good” requirements. To check if the thermal vent is properly pre-assembled, rotate the umbrella around the clamp. If it rotates smoothly without any resistance, the installation is correct. If there is any resistance, even slight, the installation is incorrect. To fix it, push the umbrella more firmly onto the clamp.
  5. Install the new umbrella valves (x5) into the HV Battery.
    Informational PurposesAn informational icon, calling your attention
    Note
    Push the valve into the thermal vent opening with the legs facing inward. Confirm all three legs are clipped into the opening with an audible click. Push the umbrella into HV battery enclosure after verification.
  6. Perform the HV battery leak test. See HV Battery Air Leak Test (In Vehicle).
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    While the HV battery is pressurized, inspect each umbrella valve for escaping air. Perform the following test regardless of leak test results.
    • Place a hand over each umbrella valve to feel for escaping air.
    • Spray soapy water over each umbrella valve and inspect for bubbles.

    If leaks are found, replace the umbrella valve as needed.

    If no leaks from any of the umbrella valves are found, but the HV battery leak test is failing, refer to Toolbox article 5402000 for further diagnoses.

    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warning
    The video(s) included in this procedure are meant as an overview for supplemental purposes only. Follow all of the steps listed in the procedure to avoid damage to components and/or personal injury.
  7. Install the mid aero shield panel. See Panel - Aero Shield - Rear (Remove and Replace).
  8. Remove the vehicle from the lift. See Raise Vehicle - 2 Post Lift.
  9. Install the RH rocker panel molding. See Molding - Rocker Panel - LH (Remove and Replace).
  10. Close the doors and raise the windows.