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| HOOT OR WHISTLE NOISE FROM REAR A/C SYSTEM |
:
2005-2006 Expedition/Navigator vehicles built before 1/30/2006 may exhibit a hoot or whistle noise inside the passenger compartment, coming from the rear auxiliary 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.
ACTION:
Replace the thermostatic expansion valve (TXV), located near the rear auxiliary A/C housing.
| PART NUMBER | PART NAME |
6L1Z-19849-B  | Thermostatic Expansion Valve |
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Last update on 2025-05-10 / Affiliate links / Images from Amazon Product Advertising API
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