CURT 13507 Class III Trailer Hitch Instruction Manual
- October 27, 2023
- Curt
Table of Contents
CURT 13507 Class III Trailer Hitch Instruction Manual
WARNING
Never exceed the vehicle manufacturer’s recommended towing capacity
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
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.
Weight Carrying Capacity
Gross trailer weight (GTW)
| 7,500 lbs.
---|---
Tongue weight (TW)
|
750 lbs.
Weight Distribution Capacity
Weight distribution (WD)
| 7,500 lbs.
---|---
WD tongue weight (WDTW)|
750 lbs.
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 | Socket, 10mm |
---|---|
Torque wrench | Socket, 13mm |
Flathead screwdriver | 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
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
CONICAL TOOTHED WASHER ORIENTATION
Step 1
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
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 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
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 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 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 one bolt from each exhaust hanger on the bottom of the frame rail using
13mm socket.
Step 8
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 to the
vehicle owner.
Step 9
Insert the hitch side plates into the end of the frame rails and loosely
secure with supplied 1/2” bolts and conical toothed washers.
Insert 5/16” carriage bolts 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.
Step 10
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
Support
PRODUCT SUPPORT: 877.287.8634
13507-INS-RA
04/05/2022
ECN9564
References
- CURT: Trailer Hitches - Trailer Wiring - 5th Wheel - Gooseneck
- 8 Easy Steps - Trailer Hitch Installation How-To
- Towing Guide, How-tos, References & Glossary
- CURT: Trailer Hitches - Trailer Wiring - 5th Wheel - Gooseneck
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