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NHTSA ID Number: 10144918
Manufacturer Communication Number: TSB 18-2253
Summary
Some 2017-2018 F-Super Duty vehicles equipped with a 6.7L engine built on or before 8-Jul-2018 may exhibit a lack of heat coming from the driver side vents when operating the vehicle in ambient temperatures below -20Å?C (4Å?F). This condition may be due to deposits from the engine coolant trapped in the heater core. Follow the Service Procedure steps to correct the condition.
10 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
FORD |
F-250 SD | 2017-2018 |
| FORD |
F-350 SD | 2017-2018 |
| FORD |
F-450 SD | 2017 |
| FORD |
F-550 SD | 2017 |
| FORD |
F-650 SD | 2017-2018 |
| FORD |
F-750 SD | 2017-2018 |
| TECHNICAL SERVICE BULLETIN 6.7L – Lack Of Heat From Driver Side Vents When Operating In Ambient Temperatures Below -20°C (4°F) – Built On Or Before 8-Jul-2018 | 18-2253 20 August 2018 |
This bulletin supersedes 18-2052. Reason for update: New Part/Procedure For Same Condition
Model:
| Ford
2017-2018 F-Super Duty |
Summary
This article supersedes TSB 18-2052 to update the Service Procedure, Parts List, Issue Statement and production fix date.
Issue: Some 2017-2018 F-Super Duty vehicles equipped with a 6.7L engine built on or before 8-Jul-2018 may exhibit a lack of heat coming from the driver side vents when operating the vehicle in ambient temperatures below -20°C (4°F). This condition may be due to deposits from the engine coolant trapped in the heater core.
Action: Follow the Service Procedure steps to correct the condition.
Parts
| Description | Part Number | Quantity |
| Heater Core | HC3Z-18476-A | 1 |
| Heater Core Outlet Hose | HC3Z-18472-F  | 1 |
| Heater Core Inlet Hose | HC3Z-18472-E | 1 |
| Powertrain Secondary Coolant Thermostat Gasket | BC3Z-00815-B | 1 |
| Steering Column Shaft Bolt (1 piece required, 4 pieces per package) | W714409-S439 | 1 |
| Powertrain Secondary Coolant Pressure Relief Cap | BC3Z-8100-A | 1 |
| Engine Coolant Cap | HC3Z-8100-B | 1 |
| Thermostatic Expansion Valve Manifold O-Rings (Kit) | DR3Z-19B596-A | 1 |
| Thermostat Assembly | BC3Z-8575-D | 1 |
| Oil Cooler Hose | BC3Z-6B851-A | 1 |
| Heater Core O-ring/Clip Kit | BC3Z-8287-C | 1 |
| Front Seat Bolts, Driver and Passenger (8 pieces required, 8 pieces per package) | W717731-S451 | 1 |
| Upper Assist Handle Bolt Cover, Right Side – Refer To The Parts Catalog For The VIN Specific Application | 1531458 | 1 |
| Upper Assist Handle Bolt Cover, Left Side – Refer To The Parts Catalog For The VIN Specific Application | 1531459 | 1 |
| Lower Assist Handle Bolt Cover, Right Side – Refer To The Parts Catalog For The VIN Specific Application | 1531458 | 1 |
| Lower Assist Handle Bolt Cover, Left Side – Refer To The Parts Catalog For The VIN Specific Application | 1531459 | 1 |
| Authorized Modification Label | FPS 8262 | 1 |
| Motorcraft® PAG Refrigerant Compressor Oil | YN-12-D | 1 |
| Motorcraft® Premium Cooling System Flush | VC-1 | 1 |
| Motorcraft® Yellow Concentrated Antifreeze/Coolant | VC-13-G | 5 |
| 5/8″ (16 mm) Garden Hose | Obtain Locally | 1 |
| 5/8″ (16 mm) Heater Hose | Obtain Locally | 2 |
| 5/8″ (16 mm) Garden Hose Coupling Adapter | Obtain Locally | 2 |
| 3/4″ x 5/8″ (19 mm x 16 mm) Coupling Adapter | Obtain Locally | 1 |
| Hose Clamps For 5/8″ Or 3/4″ Hose | Obtain Locally | 6 |
| Distilled Water | Obtain Locally | 5 Gallons |
Warranty Status: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage 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.
Labor Times
| Description | Operation No. | Time |
| 2017-2018 F-Super Duty 6.7L 40/0/40 Seat: Diagnose And Replace The Heater Core Includes Time To Flush Both Primary And Secondary Cooling Systems (Do Not Use With Any Other Labor Operations) | 182253A | 12.2 Hrs. |
| 2017-2018 F-Super Duty 6.7L 40/20/40 Seat: Diagnose And Replace The Heater Core Includes Time To Flush Both Primary And Secondary Cooling Systems (Do Not Use With Any Other Labor Operations) | 182253B | 12.4 Hrs. |
| 2017-2018 F-Super Duty 6.7L Center Console: Diagnose And Replace The Heater Core Includes Time To Flush Both Primary And Secondary Cooling Systems (Do Not Use With Any Other Labor Operations) | 182253C | 12.4 Hrs. |
Repair/Claim Coding
| Causal Part: | 18472 |
| Condition Code: | 42 |
Tool List
| Drive | Tool Name |
|---|---|
| 1/4″ | Power Tool |
| 1/4″ | Ratchet |
| 1/4″ | Torque Wrench |
| 1/4″ | 4″ Extension |
| 1/4″ | 10″ Extension |
| 1/4″ | 5.5 mm Socket |
| 1/4″ | 7 mm Socket |
| 1/4″ | 8 mm Socket |
| 1/4″ | 10 mm Socket |
| 1/4″ | 11 mm Socket |
| 1/4″ | 13 mm Socket |
| 1/4″ | Torx® T20 Socket |
| 3/8″ | Ratchet |
| 3/8″ | Torque Wrench |
| 3/8″ | Power Tool |
| 3/8″ | 5″ Extension |
| 3/8″ | 10″ Extension |
| 3/8″ | 10 mm Socket |
| 3/8″ | 13 mm Socket |
| 3/8″ | Torx® T30 Socket |
| 1/2″ | Power Tool |
| 1/2″ | 21 mm Socket |
| 8 mm Wrench | |
| Hose Clamp Pliers | |
| Needle Nose Pliers | |
| Short Trim Tool | |
| Long Trim Tool | |
| Magnet | |
| Infrared Thermometer Or Equivalent |
Service Procedure
1. Does the vehicle exhibit a lack of heat from the driver side vents when operated in temperatures below -20°C (4°F)?
(1). Yes – proceed to Step 2.
(2). No – this article does not apply. Refer to Workshop Manual (WSM), Section 412-00.
2. Run the engine until it reaches normal operating temperature.
3. Select the floor position on the control assembly and set the temperature control to full warm with the blower to the lowest setting.
4. Increase the engine speed to 3,500 revolutions per minute (RPM). After 30 seconds, allow the engine to return to idle for an additional 30 seconds.
5. Using a suitable temperature measuring device, check the heater core inlet hose temperature. Is the heater core inlet hose temperature above 66°C (150°F)?
(1). Yes – proceed to Step 6.
(2). No – this article does not apply. Refer to WSM, Section 412-00.
6. Measure the heater core inlet and outlet hose temperature. Are the hose temperatures within 6-17°C (10-30°F)?
(1). Yes – this article does not apply. Refer to WSM, Section 412-00.
(2). No – proceed to Step 7.
7. Bypass the heater core.
(1). Drain the primary engine cooling system. Refer to WSM, Section 303-03.
(2). Disconnect the heater core hoses at the heater core. Refer to WSM, Section 412-00.
(3). Cut and discard the quick connect fitting ends from the heater core hoses where they attach to the heater core and install a 3/4″ by 5/8″ (19 mm by 16 mm) barbed coupling into both hoses to bypass the heater core.
(4). Secure with hose clamps.
8. Replace the heater core. Refer to WSM, Section 412-00. Do not connect the heater hoses at this time.
9. Perform a primary engine cooling system flush using the without oil or transmission fluid contamination procedure. Refer to WSM, Section 303-03.
(1). When the WSM states to flush the cooling system with fresh water, make sure to flush the system for 2 minutes.
(2). Do not perform the final fill and bleed of the engine cooling system as directed in the WSM at this time.
10. Install new inlet and outlet heater core hoses. Refer to WSM, Section 412-00.
11. Fill and bleed the primary cooling system using Motorcraft® Yellow Concentrated Antifreeze/Coolant. Refer to WSM, Section 303-03.
12. Perform a powertrain secondary cooling system flush without fuel contamination procedure. Refer to WSM, Section 303-03.
(1). It is not necessary to perform WSM steps 23-39.
(2). When the WSM states to flush the cooling system with fresh water, make sure to flush the system for 2 minutes.
13. Fill and bleed the secondary cooling system using Motorcraft® Yellow Concentrated Antifreeze/Coolant. Refer to WSM, Section 303-03.
14. Fill out the Authorized Modification Label with the following text: “Use Only Motorcraft® Yellow Antifreeze/Coolant”.
15. Clean the coolant reservoir surface with isopropyl alcohol and apply the Authorized Modification Label.
16. Advise the owner or driver the unit is using a different coolant (Motorcraft® Yellow Antifreeze/Coolant) for the environmental conditions. Highlight the coolant used on the customer’s copy of the repair order.
1 Associated Document
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Open in new tab NHTSA ID Number: 10136578
Manufacturer Communication Number: TSB18-2052
Summary
Some 2017-2018 F-Super Duty vehicles equipped with a 6.7L engine may exhibit a lack of heat on the driver side when the vehicle is operated in ambient temperatures below -20Å?C (4Å?F). This condition may be due to deposits from the engine coolant trapped in the heater core. Follow the Service Procedure steps to correct the condition.
1 Associated Document
Manufacturer Communications
18-2052
12 February 2018
MC-10136578-9999.pdf 107.126KB
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- Do not mix different colors or types of coolant in your vehicle
- Contains a bittering agent
- Yellow-colored, longer-life, ethylene glycol-based antifreeze/coolant for use in gasoline and diesel engines
- Provides year-round antifreeze, anti-boil and corrosion protection
- 50/50 mixture of coolant and distilled water provides freeze protection down to -34°F (-37°C) and boiling protection up to 265°F (129°C)
- Do not mix different colors or types of coolant in your vehicle
- Contains a bittering agent
- Yellow-colored, longer-life, ethylene glycol-based antifreeze/coolant for use in gasoline and diesel engines
- Provides year-round antifreeze, anti-boil and corrosion protection
- A 50/50 mixture of coolant and distilled water provides freeze protection down to -34°F (-37°C) and boiling protection up to 265°F (129°C)
- Do not mix different colors or types of coolant in your vehicle
- Contains a bittering agent
- 1 GALLON ENGINE ANTIFREEZE/COOLANT: Fully compatible with other extended life antifreeze/coolants. This item contains a bittering agent called Denatonium Benzoate.
- PROTECTS: Advanced formulation prevents rust & corrosion protecting all engine cooling system components
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- PREDILUTED ANTIFREEZE AND COOLANT: Engineered to support any vehicle's engine cooling system to enhance performance and provide protection. This item contains a bittering agent called Denatonium Benzoate.
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- Part number: VC5DIL
- Country of Origin: United States
- Package Weight: 4.15 kilograms
- "This product contains bittering agent"
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