ford Workshop Repair Guides

Ford Workshop Service and Repair Manuals

All Technical Service Bulletins for Expansion Valve: > < Evaporator Temperature Sensor / Switch|Description and Operation|Page 8813
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Expansion Valve: Customer Interest
A/C - Rear A/C Hoot/Whistle Noise

TSB 06-10-4

05/29/06

HOOT OR WHISTLE NOISE FROM REAR A/C 
SYSTEM

FORD:
2005-2006 Expedition

LINCOLN:
2005-2006 Navigator

This article supersedes TSB 05-21-1 to add a production fix date.

ISSUE
Some 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, following the Workshop Manual procedure (Removal And
Installation: Thermostatic Expansion Valve). The procedure can be found in Section 412-03B of the 2005 MY Workshop Manual, or Section 412-02 of
the 2006 MY Workshop Manual.

Parts Block

WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage

OPERATION

DESCRIPTION

TIME

061004A

2005-2006

1.7

Expedition/Navigator:

Hrs.

Replace The Thermostatic
Expansion Valve Includes
Time To Verify Concern,
Recover, Evacuate, Re-
Charge Air Conditioning
System: (Do not use with
19700A, 19700AZU,
19700A13)

DEALER CODING

CONDITION

BASIC PART NO.

CODE

19849

42

Disclaimer

All Technical Service Bulletins for Expansion Valve: > < Evaporator Temperature Sensor / Switch|Description and Operation|Page 8813