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Rear Headliner Vent Poor Performance (JLRTB02119NAS2)

WARNING: This page is about the LR4 Base, which is a different variant/trim than selected.
Publication date: 2024-07-29
Reference number: JLRTB02119NAS2

REAR HEADLINER VENT POOR PERFORMANCE

REAR HEADLINER VENT POOR PERFORMANCE

TECHNICAL SERVICE BULLETIN

Reference Number(s): JLRTB02119NAS2, Date of Issue:  July 29, 2024
LAND ROVER: All Models
SECTION: 412-02

CONDITION SUMMARY

SITUATION: 

The air passing through the rear right headliner air vent is approximately 12°C (53 degrees Fahrenheit) higher than the air passing through the rear left headliner air vent.

This technical bulletin has been updated due to changes to the affected Vehicle Range, Parts, Warranty Information, Service Information and Service Instruction. 

CAUSE: 

Excessive increase in air temperature within the air ducts, caused by the current air duct routing and insufficient insulation.

ACTION: 

Follow the instructions below

PARTS

PARTS INFORMATION

PART NUMBER DESCRIPTION QUANTITY
Vehicles with 5 seats only 
LR185930 Air duct 1
LR185931 Air duct 1
LR185932 Air duct 1
LR185933 Air duct 1
LR185934 Air duct 1
LR185935 Air duct 1
LR185936 Air duct 1
Vehicles with 7 seats only 
568123459 Air duct 1
568123460 Air duct 1
568123461 Air duct 1
568123462 Air duct 1
568123463 Air duct 1
568123465 Air duct 1
568123466 Air duct 1

WARRANTY

NOTE: *When submitting your Warranty claim within the Warranty portal, use the Condition Code list shown to select the Condition Code which best describes the vehicle defect.
NOTE:
  • Repair procedures are under constant review, and therefore times are subject to change; those quoted here must be taken as guidance only. Use TOPIx to obtain the latest repair time.
  • The JLR claims submission system requires the use of causal part numbers. Labor only claims must show the causal part number with a quantity of zero.
WARRANTY INFORMATION

DESCRIPTION SRO TIME (HOURS) CONDITION CODE CAUSAL PART
JLRTB - Without third row seating - Rear air ducts - Renew 99.01.95 3.1 * LR153633
JLRTB - With third row seating - Rear air ducts - Renew 99.01.94 3.5 * LR153633
NOTE: Normal Warranty procedures apply.

SERVICE INFORMATION

NOTE:
  • Some variation in the illustrations may occur, but the essential information is always correct.
  • Some components shown removed for clarity.
  1. G16583747

    The illustration shows the 6 right air ducts which require removal.

    1. Right air duct 1.
    2. Right air duct 2.
    3. Right air duct 3.
    4. Right air duct 4.
    5. Right air duct 5.
    6. Right air duct 6.
  2. G16583748
  3. The illustration shows the 3 left air ducts which require removal.
    1. Left air duct 1.
    2. NOTE: Left air duct 2 will be removed during completion of the 'Headliner Lower For Access' procedure.

      Left air duct 2.

    3. Left air duct 3.

LEFT AND RIGHT AIR DUCT REMOVAL

NOTE:
  • Some variation in the illustrations may occur, but the essential information is always correct.
  • Some components shown removed for clarity.

All vehicles 

  1. NOTE: Left air duct 2 will be removed during completion of the 'Headliner Lower For Access' procedure.

    Lower the headliner for access only, (see TOPIx Workshop Manual section 501-05: Interior Trim And Ornamentation - Removal and Installation - Headliner Lower For Access).

    Vehicles with 5 seats only 

  2. G16583749

    Remove the loadspace floor trim.

    • Release the latch.
    • Remove the loadspace floor trim.
  3. Remove the right loadspace trim panel, (see TOPIx Workshop Manual section 501-05: Interior Trim And Ornamentation - Removal and Installation - Right Loadspace Trim Panel - Vehicles With: 5 Seats/executive Seats).

    Vehicles with 7 seats only 

  4. G16583750

    Use the loop to release and open the smart loadspace compartment floor.

  5. G16583751

    Remove the smart loadspace compartment floor in the illustrated sequence.

  6. Remove the right loadspace trim panel, (see TOPIx Workshop Manual section 501-05: Interior Trim And Ornamentation - Removal and Installation - Right Loadspace Trim Panel - Vehicles With: 7 Seats).

    All vehicles 

  7. NOTE: Left side is shown, right side is similar.
    G16583752

    Remove the right loadspace speaker.

    • Remove the 3 screws.
    • Release the loadspace speaker.
    • Disconnect the electrical connector.
  8. G16583753

    Remove the right upper loadspace side bracket.

    • Release the 8 wiring harness clips.
    • Remove the 2 bolts.
    • Remove the 4 nuts.

    Vehicles with 5 seats only 

  9. Remove the left loadspace trim panel, (see TOPIx Workshop Manual section 501-05: Interior Trim And Ornamentation - Removal and Installation - Left Loadspace Trim Panel - Vehicles With: 5 Seats/executive Seats).

    Vehicles with 7 seats only 

  10. Remove the left loadspace trim panel, (see TOPIx Workshop Manual section 501-05: Interior Trim And Ornamentation - Removal and Installation - Left Loadspace Trim Panel - Vehicles With: 7 Seats).

    All vehicles 

  11. G16583754

    Remove the left loadspace speaker.

    • Remove the 3 screws.
    • Release the loadspace speaker.
    • Disconnect the electrical connector.
  12. G16583755

    Remove the left upper loadspace side bracket.

    • Release the 4 wiring harness clips.
    • Remove the 2 bolts.
    • Remove the 3 nuts.
  13. G16583756

    Remove the rear right junction box assembly.

    • Disconnect the 4 electrical connectors.
    • Remove the 2 bolts.
  14. G16583757

    Reposition the module housing bracket.

    • Remove the 2 nuts.
    • Remove the nut.

    Vehicles with 5 seats only 

  15. G16583758

    Remove and discard the right air duct 1.

    • Remove the 2 trim clips.
    • Release the tab.
  16. G16583759

    Remove and discard the right air duct 2.

    • Remove the trim clip.
  17. NOTE: Reposition right air duct 4 to allow for the removal of right air duct 3.
    G16583760

    Remove and discard the right air duct 3.

    • Release the 4 tabs from the 4 studs.

    Vehicles with 7 seats only 

  18. G16583761

    Remove and discard the right air duct 1 section 1.

    • Release the clip.
    • Release the wiring harness clip.
  19. CAUTION: The right air duct 1 section 2 must not be discarded.
    G16583762

    Remove the right air duct 1 section 2.

    • Remove the 2 trim clips.
  20. CAUTION: The right air duct 2 must not be discarded.
    G16583763

    Remove right air duct 2.

    • Remove the trim clip.
  21. CAUTION: The right air duct 3 must not be discarded.
    NOTE: Reposition right air duct 4 to allow for the removal of right air duct 3.
    G16583764

    Remove the right air duct 3.

    • Release the 4 tabs from the 4 studs.

    All vehicles 

  22. G16583765

    Remove the right D-pillar trim panel mounting bracket.

    • Remove the 2 screws.
      • Torque: 4.8 Nm 
  23. G16583766

    Remove and discard right air duct 4.

    • Release the 2 tabs from the 2 studs.
    • Remove the trim clip.
  24. G16583767

    Remove and discard right air duct 5.

    • Remove the trim clip.
  25. G16583768

    Remove and discard right air duct 6.

    • Remove the 2 trim clips.
  26. G16583769

    Remove and discard left air duct 1.

    • Remove the 2 trim clips.
  27. NOTE: Left air duct 2 must be discarded.

    Left air duct 2 has been removed during completion of the 'Headliner Lower For Access' procedure.

  28. G16583770

    Remove and discard left air duct 3.

    • Remove the 2 trim clips.

NEW LEFT AND RIGHT AIR DUCT INSTALLATION

NOTE:
  • Some variation in the illustrations may occur, but the essential information is always correct.
  • Some components shown removed for clarity.

All vehicles 

  1. NOTE: Repeat this step for the other side.
    G16583771

    Remove the cargo net bracket in the order shown in the illustration.

    • Remove the 2 bolts.

    Vehicles with 5 seats only 

  2. G16583772

    Install the air duct.

    • Install the trim clip.
  3. G16583773

    Install the air duct.

    • Install the trim clip.
    • Secure the electrical wiring harness clip.
    • Install the tab.

    Vehicles with 7 seats only 

  4. G16583774

    Install the right air duct 4.

    • Install the 2 tabs to the 2 studs.
    • Install the trim clip.
  5. NOTE: Reposition right air duct 4 to allow for the installation of right air duct 3.
    G16583775

    Install the right air duct 3.

    • Install the 4 tabs to the 4 studs.
  6. G16583776

    Install the right air duct 2.

    • Install the trim clip.
  7. G16583777

    Install the left air duct 1.

    • Install the trim clip.
  8. G16583778

    Install the right air duct 1 section 2.

    • Install the 2 trim clips.
  9. G16583779

    Install the right air duct 1 section 1.

    • Install the clip.
    • Install the wiring harness clip.

    All vehicles 

  10. G16583780

    Install the air temperature sensor into the air duct in the position shown in the illustration.

  11. G16583781

    Install the air duct.

    • Secure the retaining tab.
  12. G16583782

    Connect the air temperature sensor electrical connector.

  13. G16583783

    Disconnect the electrical connector from the right roof pod.

  14. G16583784

    Install the air temperature sensor into the air duct in the position shown in the illustration.

  15. G16583785

    Install the air duct.

    • Secure the 2 tabs.
  16. G16583786

    Position the left roof pod wiring harness as shown in the illustration and connect the electrical connector.

    • Connect the air temperature sensor electrical connector.
  17. G16583787

    Install the duct.

  18. NOTE: Make sure the air duct retaining tab is located under the right cargo net bracket, as shown in the illustration.
    G16583788

    Install the right cargo net bracket.

    • Install the 2 bolts.
      • Torque: 6 Nm 
    • Install the 2 trim clips.
  19. NOTE: Make sure the air duct retaining tab is located under the left cargo net bracket, as shown in the illustration.
    G16583789

    Install the left cargo net bracket.

    • Install the 2 bolts.
      • Torque: 6 Nm 
    • Install the 2 trim clips.
  20. G16583790

    Raise the head liner.

    • Secure the 5 clips.
    • Secure the 9 magnets.
  21. G16583791

    Connect the 2 headliner harness electrical connectors.

  22. G16583792

    Install the duct in the order shown in the illustration.

    • Install the tab.
  23. G16583793

    Install the duct in the order shown in the illustration.

    • Install the trim clip.
  24. G16583794

    Install the D-pillar trim panel mounting bracket.

    • Install the 2 bolts.
      • Torque: 4.8 Nm 
  25. G16583795

    Install the module housing bracket.

    • Install the 2 nuts.
      • Torque: 5.4 Nm 
    • Install the nut.
      • Torque: 48 Nm 
  26. G16583796

    Install the rear right junction box assembly.

    • Connect the 4 electrical connectors.
    • Install the 2 bolts.
      • Torque: 6 Nm 
  27. G16583797

    Install the left upper loadspace side bracket.

    • Install the 4 wiring harness clips.
    • Install the 2 bolts.
      • Torque: 5 Nm 
    • Install the 3 nuts.
      • Torque: 5 Nm 
  28. G16583798

    Install the left loadspace speaker.

    • Connect the electrical connector.
    • Install the loadspace speaker.
    • Install the 3 screws.
      • Torque: 1.9 Nm 

    Vehicles with 5 seats only 

  29. Install the left loadspace trim panel, (see TOPIx Workshop Manual section 501-05: Interior Trim And Ornamentation - Removal and Installation - Left Loadspace Trim Panel - Vehicles With: 5 Seats/executive Seats).

    Vehicles with 7 seats only 

  30. Install the left loadspace trim panel, (see TOPIx Workshop Manual section 501-05: Interior Trim And Ornamentation - Removal and Installation - Left Loadspace Trim Panel - Vehicles With: 7 Seats).

    All vehicles 

  31. G16583799

    Install the right upper loadspace side bracket.

    • Install the 8 wiring harness clips.
    • Install the 2 bolts.
      • Torque: 5 Nm 
    • Install the 4 nuts.
      • Torque: 5 Nm 
  32. NOTE: Left side is shown, right side is similar.
    G16583800

    Install the right loadspace speaker.

    • Connect the electrical connector.
    • Install the loadspace speaker.
    • Install the 3 screws.
      • Torque: 1.9 Nm 

    Vehicles with 5 seats only 

  33. Install the right loadspace trim panel, (see TOPIx Workshop Manual section 501-05: Interior Trim And Ornamentation - Removal and Installation - Right Loadspace Trim Panel - Vehicles With: 5 Seats/executive Seats).
  34. Install the loadspace floor trim.

    Vehicles with 7 seats only 

  35. Install the right loadspace trim panel, (see TOPIx Workshop Manual section 501-05: Interior Trim And Ornamentation - Removal and Installation - Right Loadspace Trim Panel - Vehicles With: 7 Seats).
  36. Install the smart loadspace compartment floor.

    All vehicles 

  37. Install the headliner, (see TOPIx Workshop Manual section 501-05: Interior Trim And Ornamentation - Removal and Installation - Headliner Lower For Access).
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