CURT INSTALLATION MANUAL
Model: 13507
Installation Overview
Level of Difficulty
Difficult. Installation difficulty levels are based on time and effort involved and may vary depending on the installer level of expertise, condition of the vehicle and proper tools and equipment.
⚠️ WARNING
Never exceed the vehicle manufacturer's recommended towing capacity.
Product Photo
Description: A CURT brand Class 3 trailer hitch receiver is shown. It features a 2-inch square opening, a robust steel construction with a black powder coat finish, and mounting points designed for attachment to a vehicle's frame.
Weight Carrying Capacity
| Capacity Type | Rating |
|---|---|
| Gross trailer weight (GTW) | 7,500 lbs. |
| Tongue weight (TW) | 750 lbs. |
Weight Distribution Capacity
| Capacity Type | Rating |
|---|---|
| Weight distribution (WD) | 7,500 lbs. |
| WD tongue weight (WDTW) | 750 lbs. |
Parts and Tools Required
Parts List
| Item | Qty | Description |
|---|---|---|
| 1 | 6 | Hex bolt, 1/2"-13 x 1.5" |
| 2 | 6 | Conical-toothed washer, 1/2" |
| 3 | 2 | Carriage bolt, 5/16"-18 x 1.75" |
| 4 | 2 | Serrated-flange nut, 5/16"-18 |
Tools Required
- Ratchet with Socket, 10mm
- Torque wrench with Socket, 13mm
- Flathead screwdriver with Socket, 21mm
- Torx bit, T-30
- Socket, 1/2"
- Socket, 8mm
- Socket, 3/4"
* For a tools reference guide visit curtmfg.com/trailer-hitch-installation
Assembly Diagram
Main Assembly
Description: The main assembly diagram shows the trailer hitch structure, including the receiver tube and mounting brackets, indicating the front and rear orientation.
Parts Identification
Description: The diagram labels the locations for Item 1 (Hex bolt, 1/2"-13 x 1.5"), Item 2 (Conical-toothed washer, 1/2"), Item 3 (Carriage bolt, 5/16"-18 x 1.75"), and Item 4 (Serrated-flange nut, 5/16"-18) on the hitch assembly.
Conical Toothed Washer Orientation
Description: This diagram illustrates the correct placement of the conical toothed washer. It depicts a hex bolt passing through a hitch side plate and into a vehicle frame. The conical toothed washer is positioned between the hitch side plate and the vehicle frame, with its teeth oriented to grip the frame surface.
Installation Steps
Step 1: Remove Bumper Cover Bolts
Description: Remove four bolts from the bottom of the bumper cover using a 10mm socket. Remove four bolts from each wheel well liner starting from the rear working up using an 8mm socket.
Step 2: Remove Wheel Well Liner
Description: Gently pull the wheel trim away from the vehicle, starting at the bottom and working up. Squeezing the clips behind the wheel liner may ease removal. Remove the newly exposed bolt using a 10mm socket. Repeat on the other side of the vehicle.
Step 3: Disconnect Electrical Connector
Description: Disconnect the electrical connector located to the rear of the tire behind the bumper cover on each side by pulling the tab on the vehicle side of the connector towards the front of the vehicle then pushing it down.
Step 4: Remove Bumper Cover Plugs and Bolts
Description: With the rear lift gate open, use a flat head screwdriver to remove the two black plugs in the bumper cover and remove the bolts with a 10mm socket.
Step 5: Remove Taillight Cover and Taillight
Description: Remove the taillight cover and remove the exposed bolt using a T-30 torx bit. Gently remove the taillight by pulling it straight rearward from the vehicle. Set aside for reinstallation.
Step 6: Remove Bumper Cover
Description: Remove the bumper cover by gently pulling it away from the vehicle, starting at the wheel well and working towards the rear. Set aside for reinstallation.
Step 7: Remove Exhaust Hanger Bolts
Description: Remove one bolt from each exhaust hanger on the bottom of the frame rail using a 13mm socket.
Step 8: Remove Rear Bumper Beam
Description: Remove the rear bumper beam by removing two bolts from the outside and one bolt from the bottom of each frame rail using a 21mm socket. Return the bumper beam to the vehicle owner.
Step 9: Install Hitch Side Plates and Carriage Bolts
Description: Insert the hitch side plates into the end of the frame rails and loosely secure with supplied 1/2" bolts (Item 1) and conical toothed washers (Item 2). Insert 5/16" carriage bolts (Item 3) into the slots in the side plates by reaching in the end of the frame rail. Reinstall the exhaust using 5/16" serrated flange nuts (Item 4).
Step 10: Torque Hardware and Reinstall Bumper Cover
Description: Torque 1/2" hardware to 110 ft-lbs. Torque 5/16" hardware to 178 in-lbs. Reinstall the bumper cover following steps 1 through 6 in reverse order.
Final Installed Image
Description: A photograph shows a Jeep Grand Cherokee with the CURT trailer hitch installed. The hitch is visible below the rear bumper, featuring a 2-inch receiver tube and the CURT logo.
Resources and Information
NOTICE
Visit www.curtmfg.com for a full-color copy of this instruction manual, as well as helpful videos, guides and much more!
Before you begin installation, read all instructions thoroughly.
This installation requires: • Temporary removal of bumper cover
Proper tools will improve the quality of installation and reduce the time required.
Periodic inspection of the trailer hitch should be performed to ensure all mounting hardware remains tight and structural components are secure.
To help prevent damage to the product or vehicle, refer to the specified torque specifications when securing hardware during the installation process.
SAFETY INSTRUCTIONS
Safety glasses should be worn at all times while installing this product. ?
Product Registration and Warranty
CURT stands behind our products with industry-leading warranties. To get copies of the product warranties, register your purchase or provide feedback, visit: warranty.curtgroup.com/surveys
Towing Basics & Safety Information
For information on safely towing your trailer, visit curtmfg.com/understanding-towing.
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