CURT 13579 Class 3 Square Hitch Receiver Instruction Manual
Level of Difficulty
Easy
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): 3,500 lbs.
Tongue weight (TW): 350 lbs.
1: 4:Hex bolt, M12 x 1.25
2: 4: Conical-toothed washer, 1/2
Tools Required
Ratchet: Flathead screwdriver
Torque wrench: Exhaust isolator removal tool
Socket, 19mm: —
For a tools reference guide visit
curtmfg.com/trailer-hitch-installation
WARNING
Never exceed the vehicle manufacturer’s recommended towing capacity
Product Photo
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.
Proper tools will improve the quality of installation and reduce the time required.
- Temporarily lower exhaust
- No drilling required
- No trimming 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
Product Registration and Warranty
ASSEMBLY
| Parts | List | |
| Item | Qty | Description |
| 1 | 4 | Hex bolt, M12 x 1.25 |
| 2 | 4 | Conical-toothed washer, 1/2 |
CONICAL TOOTHED WASHER ORIENTATION
WELDNUT CLEANING
To remove debris from walnuts in frame, spary lubricant or compressed air into the hole.
For heavy debris, use a wire brush.
Take care not to damage threads.
Step 1
Remove the four plastic plugs from the side of the frame rails, two on each side.
Step 2
Note: Some models may require temporarily lowering of the exhaust. To lower the exhaust, unhook the three rearmost exhaust hangers. Support the exhaust prior to prevent damage or injury
Step 3
Raise the hitch into position and install the four hex bolts (#1) and four conical-toothed washers (#2).
Step 4
Torque all M12 fasteners to 86 ft-lbs.
Step 5
Raise the exhaust back into position and reinstall the isolators if lowered in step 2.
TOWING BASICS & SAFETY INFORMATION
Documents / Resources
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CURT 13579 Class 3 Square Hitch Receiver [pdf] Instruction Manual 13579, 13579 Class 3 Square Hitch Receiver, Class 3 Square Hitch Receiver, Hitch Receiver, Receiver |
