|HOOT OR WHISTLE NOISE FROM REAR A/C SYSTEM|
The noise will most likely be heard by the customer when driving the vehicle with the interior cooled down, the rear A/C off, front A/C on, and the blower fan on the low speed setting.
Replace the thermostatic expansion valve (TXV), located near the rear auxiliary A/C housing.
|PART NUMBER||PART NAME|
|6L1Z-19849-B||Thermostatic Expansion Valve|