Expedition 4WD V8-5.4L VIN 5 (2006)
Evaporator Drain Tube: Customer Interest
A/C - Water Leaks Onto Passenger Front Floor
TSB 05-20-7
10/17/05
A/C CONDENSATION LEAKING ONTO THE PASSENGER FRONT FLOOR
FORD:
2005-2006 Expedition
LINCOLN:
2005-2006 Navigator
ISSUE
Some 2005-2006 Expedition and Navigator vehicles may exhibit water leaking on to the passenger floor from the NC plenum drain tube area.
ACTION
Refer to the following Service Procedure to determine if the water leak is from the air conditioning drain tube and repair as necessary.
SERVICE PROCEDURE
1.
Turn off air suspension, if equipped.
2.
Verify the leak is from the HVAC case drain seal and not from another source. Pull back the carpet on the passenger floorboard and feel the
HVAC drain tube seal for water (Figure 1A-1B).
a.
If signs of water or moisture are present continue on with the TSB.
b.
If there are no signs of water or moisture at the drain tube seal, follow normal diagnosis and repair procedures.
3.
Expedition only: Open hood and remove transmission dip stick.
4.
Navigator only: Use Message Center to position running boards in the extended position (out setting). Refer to Owners Guide, drivers control
