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Coolant Leak at Rear

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Coolant Leak at Rear

Some 2018 Lincoln Navigator and Ford Expedition vehicles built on or before Sept. 5, 2018, may exhibit an overheating condition, low antifreeze/coolant, and/or a coolant leak at the rear of the vehicle.

Raise the vehicle on a hoist and inspect for an antifreeze leak from the rear of the vehicle, behind the right rear tire. If a leak is found, replace the rear climate control housing.

Refer to the workshop manual section 412-02. During the climate control housing replacement, inspect the electrical connectors for fluid contamination.

If contamination is present, clean the connectors using terminal cleaner and compressed air before reconnecting.

PARTS

JL1Z-19850-AJ............Rear climate control housing

HL3Z-19B596-A..........A/C hose kit

VC-3-B........................Motorcraft orange concentrated antifreeze (all except Canada)

CVC-3-B2....................Motorcraft orange concentrated antifreeze (Canada)

VC-13-G......................Motorcraft orange concentrated antifreeze

………………….……..(vehicles built on or after July 9, 2018, all except Canada)

CVC-13-G....................Motorcraft orange concentrated antifreeze

………………………....(vehicles built on or after July 9, 2018, Canada)

YN-35..........................Motorcraft R-1234yf refrigerant PAG oil

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