Installation Instructions for Ford Flex, Ford Flex EcoBoost, and Lincoln MKT

Part Numbers:

• 75679
• 87571
• 44636
• 78189 (U-Haul)

Tools Required:

• Wrenches: 18mm, 19mm
• 6" Ratchet Extension (Ford Flex)
• Spray Lubricant or Soapy Water

Wiring Access Location:

• SUV1, SUV2

Step-by-Step Instructions:

1. Lower the Exhaust:

   • For single exhaust: Remove two (2) bolts attaching the exhaust hanger bracket to the driver’s side frame rail. Retain the bolts.
   • For dual exhaust (EcoBoost and Lincoln MKT models): Repeat the same process on the passenger side.
   • Use lubricant to ease removal of the rubber exhaust hangers and detach them using a screwdriver or pry bar.
   • Support the exhaust system to prevent it from falling under its own weight.

2. Position the Hitch:

   • Rotate the hitch into position over the exhaust.
   • Align the hitch slots with the existing weldnuts on the vehicle frame.
   • For models with dual exhaust: Reattach the exhaust hanger brackets beneath the hitch brackets on both sides.

3. Install Fasteners:

   • Secure the hitch using four (4) M12 x 1.75 x 40mm bolts and four (4) conical toothed washers.
   • Ensure the fasteners are hand-tightened and correctly aligned.

4. Tighten Fasteners:

   • Use a torque wrench to tighten all M12 CL8.8 fasteners to 68 lb-ft (92 N·m).

5. Reinstall the Exhaust:

   • Raise the exhaust back into position and reattach the rubber isolators.
   • Use lubricant or soapy water to ease the reinstallation process.

Hardware List:

• (4) M12 x 1.75 x 40mm CL8.8 Hex Bolts
• (4) 1/2" Conical Toothed Washers

Safety Notes:

• Check the hitch frequently to ensure all fasteners and the ball are properly tightened.
• If the hitch is removed, plug all holes in the trunk pan or other body panels to prevent water and exhaust fumes from entering.
• Replace any damaged hitch or ball immediately.
• Follow safety precautions when working beneath the vehicle, and wear eye protection.
• Do not cut access or attachment holes with a torch.

Specifications:

• Hitch Type and Weight Ratings:
  • Weight Distributing: Max Trailer Weight 4,000 lbs (1,816 kg), Max Tongue Weight 400 lbs (182 kg).
  • Weight Carrying (Ball Mount): Max Trailer Weight 4,000 lbs (1,816 kg), Max Tongue Weight 400 lbs (182 kg).
• Complies with safety specifications and requirements for connecting devices and towing systems of the State of New York, V.E.S.C. Regulation V-5, and SAE J684.

Additional Notes:

• For dual exhaust models, repeat installation steps on the passenger side.

Installation Instructions

Part Numbers:

• 75679
• 87571
• 44636
• 78189 (U-Haul)

Tools Required:

• Wrenches: 18mm, 19mm
• 6" Ratchet Extension (Ford Flex)
• Spray Lubricant or Soapy Water

Wiring Access Location:

• SUV1, SUV2

Step-by-Step Instructions:

1. Lower the Exhaust:

   • For single exhaust: Remove two (2) bolts attaching the exhaust hanger bracket to the driver’s side frame rail. Retain the bolts.
   • For dual exhaust (EcoBoost and Lincoln MKT models): Repeat the same process on the passenger side.
   • Use lubricant to ease removal of the rubber exhaust hangers and detach them using a screwdriver or pry bar.
   • Support the exhaust system to prevent it from falling under its own weight.

2. Position the Hitch:

   • Rotate the hitch into position over the exhaust.
   • Align the hitch slots with the existing weldnuts on the vehicle frame.
   • For models with dual exhaust: Reattach the exhaust hanger brackets beneath the hitch brackets on both sides.

3. Install Fasteners:

   • Secure the hitch using four (4) M12 x 1.75 x 40mm bolts and four (4) conical toothed washers.
   • Ensure the fasteners are hand-tightened and correctly aligned.

4. Tighten Fasteners:

   • Use a torque wrench to tighten all M12 CL8.8 fasteners to 68 lb-ft (92 N·m).

5. Reinstall the Exhaust:

   • Raise the exhaust back into position and reattach the rubber isolators.
   • Use lubricant or soapy water to ease the reinstallation process.

Hardware List:

• (4) M12 x 1.75 x 40mm CL8.8 Hex Bolts
• (4) 1/2" Conical Toothed Washers

Safety Notes:

• Check the hitch frequently to ensure all fasteners and the ball are properly tightened.
• If the hitch is removed, plug all holes in the trunk pan or other body panels to prevent water and exhaust fumes from entering.
• Replace any damaged hitch or ball immediately.
• Follow safety precautions when working beneath the vehicle, and wear eye protection.
• Do not cut access or attachment holes with a torch.

Specifications:

• Hitch Type and Weight Ratings:
  • Weight Distributing: Max Trailer Weight 4,000 lbs (1,816 kg), Max Tongue Weight 400 lbs (182 kg).
  • Weight Carrying (Ball Mount): Max Trailer Weight 4,000 lbs (1,816 kg), Max Tongue Weight 400 lbs (182 kg).
• Complies with safety specifications and requirements for connecting devices and towing systems of the State of New York, V.E.S.C. Regulation V-5, and SAE J684.

Additional Notes:

• For dual exhaust models, repeat installation steps on the passenger side.

Attention: This is a summary of the installation procedure. For complete installation instructions, including diagrams and detailed information from the manufacturer, please download the full installation PDF.

Technical Support:

For technical support and assistance, our team of experts is available to help. You can reach our tech support by visiting www.trailerjacks.com or calling 877-869-6690.

Warranty:

For complete warranty instructions, please download the full installation PDF.