Ford just came out with tsb for foul smells.
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12-8-8 3.5L TI-VCT - FOUL ODOR FROM COOLING SYSTEM - BUILT ON OR BEFORE 7/9/2012
Publication Date: August 14, 2012
FORD: 2012-2013 Explorer
Some 2012-2013 Explorer vehicles equipped with a 3.5L TI-VCT engine and built on or before 7/9/2012 may exhibit a foul, rotten-egg type odor coming from the cooling system or components, typically after coming to a stop with the climate control recirculation door in the fresh air mode.
Follow the Service Procedure to correct the condition.
Flush the cooling system. Refer to Workshop Manual (WSM), Section 303-03.
Replace the upper and lower radiator hoses.
Remove degas bottle cap and inspect the top sealing surface on the bottle for defects. Use your fingertip to feel for nicks/gouges that are hard to see. If you feel a nick, replace the degas bottle. Refer to WSM, Section 303-03.
Replace the hoses at the coolant degas bottle.
Replace the heater hoses.
Refill the system with new Motorcraft® Orange Antifreeze/Coolant to the appropriate level, refer to WSM, Section 303-03.
PART NUMBER PART NAME
BB5Z-8260-E Radiator Hose - Upper
BB5Z-8286-G Radiator Hose - Lower without Oil Cooler
BB5Z-8286-H Radiator Hose - Lower with Oil Cooler
DB5Z-8C289-C Degas Bottle-To-Coolant Inlet Pipe Hose
BB5Z-8276-C Thermostat Housing-To-Degas Bottle Hose
BB5Z-18472-E Heater Hoses
VC-1 Motorcraft® Premium Cooling System Flush
VC-3-B Motorcraft® Orange Antifreeze/Coolant Concentrated
AG1Z-8A080-S Degas Bottle
Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
IMPORTANT: Warranty/ESP coverage limits/policies/prior approvals are not altered by a TSB. Warranty/ESP coverage limits are determined by the identified causal part and verified using the OASIS part coverage tool.
OPERATION DESCRIPTION TIME
120808A 2012-2013 Explorer: Flush The Cooling System And Replace Hoses Following The Service Procedure Includes Time To Remove And Install The Radiator (Do Not Use With Any Other Labor Operations) 3.7 Hrs.
120808B 2012-2013 Explorer: Flush The Cooling System And Replace Degas Bottle And Hoses Following The Service Procedure Includes Time To Remove And Install The Radiator (Do Not Use With Any Other Labor Operations) 3.9 Hrs.
BASIC PART NO. CONDITION CODE
NOTE: The information in Technical Service Bulletins is intended for use by trained, professional technicians with the knowledge, tools, and equipment to do the job properly and safely. It informs these technicians of conditions that may occur on some vehicles, or provides information that could assist in proper vehicle service. The procedures should not be performed by "do-it-yourselfers". Do not assume that a condition described affects your car or truck. Contact a Ford or Lincoln dealership to determine whether the Bulletin applies to your vehicle. Warranty Policy and Extended Service Plan documentation determine Warranty and/or Extended Service Plan coverage unless stated otherwise in the TSB article. The information in this Technical Service Bulletin (TSB) was current at the time of printing. Ford Motor Company reserves the right to supercede this information with updates. The most recent information is available through Ford Motor Company's on-line technical resources.
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