A/C - Whistling Noise With A/C ON
No: JTB00207Issue: 1
Date: 31 AUG 2010
SECTION: 412
Air Conditioning Whistle Noise
AFFECTED VEHICLE RANGE:
CONDITION SUMMARY:
Situation:
A high-pitched whistle noise may be heard at low engine speeds and hot ambient temperatures. This noise may be caused by air flow within the air conditioning pipes.
Action:
In the event of a customer concern of the above, refer to the Repair Procedure outlined below to install a spacer in to the air conditioning pipe.
PARTS:
TOOLS:
Refer to Workshop Manual for any required special tools
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.
DDW requires the use of causal part numbers. Labor only claims must show the causal part number with a quantity of zero.
Normal Warranty policies and procedures apply.
REPAIR PROCEDURE
INSTALL AIR CONDITIONING SPACER
1. Refer to Workshop Manual section 412-00: Climate Control System - General Information > General Procedures > Air Conditioning (A/C) System Recovery, Evacuation and Charging, and recover the A/C system refrigerant.
2. Refer to Workshop Manual section 501-05: Interior Trim and Ornamentation > Removal and Installation > Engine Cover, and remove the engine cover.
3. Disconnect the A/C pipe. (Figure 1)
4. Remove and discard the 0-ring seal from the pipe.
5. Install the new spacer (C2P 22168). (Figure 2)
6. Install a new 0-ring seal (C2C 7668) to the A/C pipe.
7. Install the A/C pipe: (Figure 1)
Tighten the bolt to 9Nm (6.6 lbf ft).
8. Refer to Workshop Manual section 501-05: Interior Trim and Ornamentation > Removal and Installation > Engine Cover, and install the engine cover.
9. Refer to Workshop Manual section 412-00: Climate Control System - General Information > General Procedures > Air Conditioning (A/C) System Recovery, Evacuation and Charging, and evacuate and charge the A/C system refrigerant.