Ford 2015-2019 Transit | Engine: 3.7L |
Issue:
Some 2015-2019 Transit vehicles equipped with a 3.7L engine and block heater may exhibit a repeat coolant leak from a deteriorated O-ring and/or intake manifold thermostat housing. This may be due to the block heater in the thermostat housing. To correct the condition, install a block heater service kit in the engine block.
Action:
Follow the Service Procedure steps to correct the condition if the vehicle meets all of the following criteria:
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2015-2019 Transit
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3.7L engine
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Equipped with a block heater in the thermostat housing
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Coolant leak from thermostat housing
| Service Part Number | Package Order Quantity | Description | | KK4Z-6D008-AKK4Z-6D008-A | 1 | Block Heater Service Kit | | VC-13DL-GVC-13DL-G | As Needed | Motorcraft® Yellow Concentrated Antifreeze/Coolant (All Markets Except Canada) | | CVC-13DL-GCVC-13DL-G | As Needed | Motorcraft® Yellow Concentrated Antifreeze/Coolant (Canada Only) |
Quantity refers to the amount of the service part number required to repair the vehicle. As Needed indicates the amount of the part may vary and/or is not a whole number. Parts can be billed out as non-whole numbers, including less than 1. | Service Part Number | Package Order Quantity | Description | | AT4Z-8527-AAT4Z-8527-A | If Needed | Thermostat Housing O-ring Seal | | JL3Z-9424-BJL3Z-9424-B | If Needed | Lower Intake Manifold | | BL3Z-8A586-GBL3Z-8A586-G | If Needed | Thermostat Housing | | 7T4Z-8590-A7T4Z-8590-A | If Needed | O-ring Seal | | AT4Z-9H486-AAT4Z-9H486-A | If Needed | Upper Intake Manifold Gasket |
If Needed indicates the part is not mandatory. Warranty Status: Eligible under provisions of New Vehicle Limited Warranty (NVLW)/Service Part Warranty (SPW)/Service Part New Vehicle (SPNV)/Extended Service Plan (ESP) coverage. Limits/policies/prior approvals are not altered by a TSB. NVLW/SPW/SPNV/ESP coverage limits are determined by the identified causal part and verified using the OASIS part coverage tool. | Description | Operation No. | Time | | 2015-2019 Transit 3.7L: Inspect And Install Immersion Block Heater Kit, Includes Time To Replace The Thermostat Housing And/Or Gasket As Necessary (Do Not Use With Any Other Labor Operations) | 212408A | 2.3 Hrs. | | 2015-2019 Transit 3.7L: Inspect And Install Immersion Block Heater Kit, Includes Time To Replace The Thermostat Housing And/Or Gasket And Intake Manifold Tube As Necessary (Do Not Use With Any Other Labor Operations) | 212408B | 3.3 Hrs. |
| Causal Part: | 9J447 | | Condition Code: | D8 |
1. Remove the existing cooling system block heater and wire harness from the thermostat housing. Refer to Workshop Manual (WSM), Section 303-03A.
2. Remove the thermostat housing. Refer to WSM, Section 303-03A.
3. Inspect the thermostat housing, thermostat housing O-ring seal, and intake manifold tube for damage and replace as necessary. Refer to WSM, Section 303-03A.
4. Install the immersion block heater and harness kit. Refer to the instruction sheet included in the kit.
5. Fill and bleed the cooling system. Refer to WSM, Section 303-03A, General Procedures, Engine Cooling System Draining, Vacuum Filling and Bleeding.
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