A/C - Squeak/Squeal When Switched To Recirculation Mode
No: LTB00103Issue: 3
Date: 20 NOV 2009
ISSUE '3' CHANGES ARE EXTENSIVE AND THEREFORE NOT HIGHLIGHTED. THE PREVIOUS REPAIR PROCEDURE IS NO LONGER VALID AND MUST NO LONGER BE PERFORMED.
SECTION: 412
'Squeak' / 'Squeal' Noise After Selecting Recirculation
AFFECTED VEHICLE RANGE
CONDITION SUMMARY:
Situation:
After selecting 'Recirculation' on the climate control panel, a 'squeak' or 'squeal' noise is heard. The noise is generated by the movement between the two resin linkages due to dust contamination of the lubricating grease.
NOTE:
The Repair Procedure has changed extensively. The previous Repair Procedure is no longer valid and must no longer be performed.
Action:
In the event of a customer concern of the above, follow the Repair Procedure outlined below to lubricate the two recirculation flap resin linkages.
PARTS
WARRANTY:
NOTE:
Repair procedures are under constant review, and therefore times are subject to change; those quoted here must be taken as guidance only. Always refer to DDW to obtain the latest repair time.
NOTE:
The Repair Procedure has changed extensively. The previous Repair Procedure is no longer valid and must no longer be performed.
DDW requires the use of causal part numbers. Labor only claims must show the causal part number with a quantity of zero.
NOTE:
The Repair Procedure has changed extensively. The previous Repair Procedure is no longer valid and must no longer be performed.
REPAIR PROCEDURE
GREASE RECIRCULATION FLAP LINKAGES - LR3
1. Remove the instrument panel console. (Figure 1)
2. Remove the passenger side register trim panel: (Figure 2)
^ Release the two clips.
3. Remove the stowage compartment tray. (Figure 3)
4. Turn ignition 'ON'.
NOTE:
Ensure recirculation indicator is NOT illuminated.
5. Set climate control to 'Fresh Air' mode.
^ Once 'Fresh Air' mode is activated, the recirculation flap lever will be visible. (Figure 4)
6. Turn ignition 'OFF'.
NOTE:
Instrument panel cover removed for clarity.
7. Locate recirculation flap lever. (Figure 5)
WARNING:
Observe all applicable health and safety precautions; wear protective gloves.
WARNING:
Use only grease LR020046.
8. Apply grease to the lever slide: (Figure 6)
^ Approximate quantity as shown in Figure 6.
9. Turn ignition 'ON'.
10. Alternately select 'Recirculation' and 'Fresh Air' mode on the climate control panel to open / close the recirculation flap, distributing the grease on the lever.
^ It may be necessary to repeat the open / close cycle 10 times.
11. Verify noise has been eliminated.
12. Turn ignition 'OFF'.
13. If squeak / squeal noise is still evident, repeat steps 8 - 12.
14. Install stowage compartment tray.
15. Install the passenger side register trim panel.
16. Install the instrument panel console.
NOTE:
The Repair Procedure has changed extensively. The previous Repair Procedure is no longer valid and must no longer be performed.
GREASE RECIRCULATION FLAP LINKAGES - RANGE ROVER SPORT
1. Remove the audio side trim panel. (Figure 7)
^ Release the four clips.
2. Remove the center reinforcement trim panel. (Figure 8)
3. Remove the stowage compartment side trim panel: (Figure 10)
4. Remove the stowage compartment tray. (Figure 11)
5. Turn ignition 'ON'.
NOTE:
Ensure recirculation indicator is NOT illuminated.
6. Set climate control to 'Fresh Air' mode.
^ Once 'Fresh Air' mode is activated, the recirculation flap lever will be visible. (Figure 12)
7. Turn ignition 'OFF'.
NOTE:
Instrument panel cover removed for clarity.
8. Locate recirculation flap lever. (Figure 13)
WARNING:
Observe all applicable health and safety precautions; wear protective gloves.
WARNING:
Use only grease LR020046.
9. Apply grease to the lever slide: (Figure 14)
^ Approximate quantity as shown in Figure 14.
10. Turn ignition 'ON'.
11. Alternately select 'Recirculation' and 'Fresh Air' mode on the climate control panel to open / close the recirculation flap, distributing the grease on the lever.
^ It may be necessary to repeat the open / close cycle 10 times.
12. Verify noise has been eliminated.
13. Turn ignition 'OFF'.
14. If squeak / squeal noise is still evident, repeat steps 9 - 13.
15. Install stowage compartment tray.
16. Install the stowage compartment side trim panel
17. Install the center reinforcement trim panel.
18. Install the audio side trim panel.