NHTSA ID Number: 10177860
Manufacturer Communication Number: TSB 20-2223
Summary
Some 2017 Ford GT vehicles equipped with parallel transmission gearset and clutch coolers may exhibit intermittent clutch fluid overheating when used in track conditions.
1 Affected Product
Vehicle
| MAKE | MODEL | YEAR |
FORD | GT | 2017 |
| TECHNICAL SERVICE BULLETIN Transmission Clutch Fluid Overheating During Track Use – Vehicles Equipped With Parallel Coolers Only | 20-2223 07 July 2020 |
This bulletin supersedes 18-2391. Reason for update: Incorrect Procedure
Model:
2017 Ford GT
Summary
This article supersedes TSB 18-2391 to update the Service Procedure attachments.
Issue: Some 2017 Ford GT vehicles equipped with parallel transmission gearset and clutch coolers may exhibit intermittent clutch fluid overheating when used in track conditions.
Action: Follow the Service Procedure steps to correct the condition on vehicles that meet all of the following criteria:
- 2017 Ford GT
- Equipped with parallel transmission gearset and clutch coolers
- Intermittent clutch fluid overheating when used in track conditions
NOTE: Part quantity refers to the number of that service part number required, which may be different than the number of individual pieces. Service part numbers contain 1 piece unless otherwise stated. “As Needed” indicates the part is required but the number may vary or is not a whole number; parts can be billed out as non-whole numbers, including less than 1.
Parts
| Description | Quantity | Part Number |
| Transmission Clutch Oil Cooler Repair Kit | 1 | HG7Z-7K177-A |
Warranty Status: Eligible under provisions of New Vehicle Limited Warranty (NVLW)/Service Part Warranty (SPW)/Special Service Part (SSP)/Extended Service Plan (ESP) coverage. Limits/policies/prior approvals are not altered by a TSB. NVLW/SPW/SSP/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 Ford GT: Install The Gear Set Cooler And Fan Assembly Following The Work Instructions | MT202223 | Actual Time |
Repair/Claim Coding
| Causal Part: | 7A095 |
| Condition Code: | 42 |
Service Procedure
NOTE: Only a certified GT service dealer can order parts for a GT, submit warranty claims on GT repairs, and service a GT. Certified GT dealers cannot order parts for dealers that are not GT certified.
- Inspect the factory equipped transmission gearset and clutch cooler by looking thru the rear fascia grille opening at the left side of the rear bumper cover. (Figure 1) Is the vehicle equipped with a perpendicular transmission gearset and clutch cooler? (Figure 2-3)
(1). Yes – this article does not apply. Refer to Workshop Manual (WSM), Section 307-02 for normal diagnostics.
(2). No – proceed to Step 2.
- Complete the transmission clutch cooler repair using the attached work instructions.
NOTE: This procedure is considered one that is complex and involves a high level of repair difficulty. For all technical assistance from Multimatic, contact the Ford GT Concierge using the Ford dealer access phone number.
NOTE: A bill of materials (BOM) is attached for the transmission clutch cooler repair kit. Please review the BOM to verify all parts are present before beginning the repair.
- Place the revised Owners Manual addendum card provided in the parts kit into the Owners Manual sleeve and notify the customer.
(1). If the Owners Manual kit is covered in original shipping material, do not remove from packaging. If the Owners Manual is not present, place the addendum card in the storage bag.
SEOCONTENT-START
TECHNICAL SERVICE BULLETIN
Transmission Clutch Fluid Overh eating During Track Use – Vehicles
Equipped With Parallel Coolers Only
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 Ford GT: Install The Gear Set Cooler And Fan Assembly Following The Work Instructions |
MT182391 | Actual Time |
Repair/Claim Coding
| Causal Part: | 7A095 |
| Condition Code: | 42 |
SEOCONTENT-END
1 Associated Document
Manufacturer Communications
20-2223
07 July 2020
MC-10177860-0001.pdf 544.132KB
NHTSA ID Number: 10153917
Manufacturer Communication Number: TSB 18-2391
Summary
Some 2017 Ford GT vehicles equipped with parallel transmission gearset and clutch coolers may exhibit intermittent clutch fluid overheating when used in track conditions. Follow the Service Procedure steps to correct the condition.
18-2391
02 January 2019
- 【IMPORTANT FUNCTION】Durable brazed aluminum construction, incorporates advanced low-pressure drop technology, 30% more cooling delivers maximum heat transfer. Maintain lower temperatures in your transmission, extend the life of the vehicle you depend on.
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- 【Full Spare Parts】40k Transmission Oil Cooler kit comes with a complete set of mounting hardware, including high-quality bolts, fasteners, and brackets. These components are designed to seamlessly match different vehicle types and installation configurations, simplifying the installation process while ensuring reliable and stable mounting.
- 【WARRANTY】Trans Cooler come with a 12-month warranty, if you have any questions about the product before or after purchase, you can contact us at any time
- STACKED-PLATE PERFORMANCE CORE - The 13-row stacked-plate heat exchanger design delivers efficient transmission fluid cooling with minimal pressure loss, keeping your automatic transmission running in the optimal temperature range under heavy load, towing, or high-performance driving conditions.
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- LEAK-FREE O-RING SEALED FITTINGS - Precision-machined 3/4"-16 to 3/8" hose barb adapter fittings feature an integrated O-ring seal, ensuring a reliable, drip-free connection to your transmission lines without the risk of seepage common with basic compression fittings.
- COMPLETE INSTALLATION KIT INCLUDED - Kit includes 50 inches of SAE J1532-rated transmission cooler hose with spiral polyester reinforcement for increased pressure tolerance, stainless-steel worm-gear clamps, 3/8" hose barb unions, and 4 universal mounting brackets with all necessary hardware.
- TRULY UNIVERSAL FITMENT - Designed to fit virtually any vehicle platform, this cooler is compatible with automatic transmission fluid, power steering fluid, engine oil, and other automotive fluids — making it a versatile upgrade for daily drivers, trucks, tow rigs, and performance builds alike.
- [Application and Compatibility] The LPD47391 40k Transmission Oil Cooler Kit is engineered for heavy-duty vehicles, with a maximum GVW of 40,000 lbs. Transmission cooler,Perfect for large trucks, trailers, and towing vehicles, it ensures your vehicle runs cooler and more efficiently.
- [Low Pressure Drop Design] LPD47391 40k Transmission Oil Cooler Kit,With advanced low-pressure drop technology, the cooler minimizes energy consumption and system pressure loss, maximizing transmission efficiency while protecting critical components from excessive heat.
- [Includes Mounting Hardware] The LPD47391 40k Transmission Oil Cooler Kit includes all essential mounting hardware – bolts, fasteners, and brackets – designed for various vehicle types. With simple installation, you’ll have a secure, stable fit for long-term reliability.
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- Universal: This transmission cooler is suitable for most cars with 5/16" ID transmission cooler lines. Please ensure there is enough space for installation.
- Cooler: Material: The trans oil cooler is made of aluminum alloy; Size: 15.66" × 7.5" × 0.75".
- Hose: Material: The hose is made of CPE; Working pressure: 145 PSI. Bursting pressure: 900 PSI; Working temperature range: -40℉ to 257℉.
- Tube and Fin: These fins help absorb the heat from the ATF and cause air to flow over them, which cools the ATF as it passes through the tubes.
- Installation: The transmission cooler kit is easy to install and should be mounted in a location with good airflow. Installation instructions are included.
- 【MAXIMUM COOLING FOR HEAVY DUTY】 Engineered for extreme towing and heavy loads, this LPD47391 transmission cooler kit is rated for up to 40,000 GVW. It significantly lowers operating temperatures to prevent transmission overheating, making it the ultimate upgrade for heavy-duty trucks, RVs, SUVs, and commercial vehicles under intense driving conditions.
- 【ADVANCED LOW PRESSURE DROP】 Say goodbye to system pressure loss. Our smart Low Pressure Drop technology allows thicker, cold fluid to bypass the core for rapid engine warm-ups. Once at optimal temperature, it delivers 30% more cooling capacity than traditional tube-and-fin models, maximizing your automatic transmission's efficiency and lifespan.
- 【PREMIUM BRAZED ALUMINUM CONSTRUCTION】 Built to exact high-standard specifications, our plate-and-fin design features rugged brazed aluminum construction. It offers ultimate resistance to leaks, corrosion, and severe road impacts. Available in multiple high-quality finishes (Silver/Black/Red) to match your custom build while ensuring long-lasting reliability.
- 【EXACT FIT COMPATIBILITY】 Designed as a highly versatile and direct cooling solution. This trans cooler is perfectly compatible with Tru-Cool 40k (LPD47391) systems and other heavy-duty setups. It provides the essential bulletproof protection your transmission needs during mountain driving or hauling heavy trailers.
- 【ALL-IN-ONE INSTALLATION KIT】 This complete transmission oil cooler package includes everything you need for a secure installation: the premium cooler unit, heavy-duty hoses, durable mounting brackets, precise fasteners, and strong clamps. Get a stable, rattle-free fit straight out of the box.
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