Compatibility Chart:
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Install Notes
Installation Instructions for GMC Sierra/Chevrolet Silverado 2500 & 3500 HD Pickups
(Includes Regular, Crew, Extended, Dually, 2WD & 4WD - Long & Short Bed Models)
Part Numbers:
- 75707
- 87602
- 44653
- 75501
Tools Required:
- Wrenches: 13mm, 21mm, 22mm, 3/4”, 7/8”
- Drill Bits: None
- Additional Tools: Plastic cutting tool (short-bed trucks as needed)
Wiring Access Location:
- PU3
Step-by-Step Instructions:
General:
-
Lower Spare Tire:
- For ease of installation, lower the spare tire and set aside.
-
Remove Existing Bolts:
- Remove the existing 14mm bolts from the end of the truck’s frame rails. Return the bolts to the vehicle owner.
- If the truck has an existing hitch, remove the bumper bolts as well.
Short-Bed Trucks:
-
Remove Heat Shield Bolt:
- Remove the rearmost 8mm bolt securing the plastic heat shield to the passenger side frame.
-
Attach Bolt-On Brackets:
- Attach the supplied bolt-on brackets to the hitch brackets. Torque the fasteners as specified below.
-
Sandwich Plastic Heat Shield:
- Position the heat shield tab between the hitch and the frame on the passenger side. Trim the heat shield gusset if necessary to ensure it remains in place.
Long-Bed Trucks:
- Discard Bolt-On Brackets:
- Discard the bolt-on brackets or return them to the vehicle owner, as they are unnecessary for long-bed applications.
All Models:
-
Position Hitch:
- Raise the hitch into position. Align the hitch slots with the weldnuts in the truck bumper and frame rails.
-
Install Fasteners:
- Use the supplied M14 bolts and conical washers for the bumper weldnuts.
- For forward attachments, insert carriage bolts and blocks through the access holes and down through the frame slots.
-
Torque Fasteners:
- Torque 1/2”-13 GR5 bolts to 75 lb-ft (102 N·m).
- Torque M14 x 2.0 CL10.9 bolts to 115 lb-ft (156 N·m).
-
Reinstall Spare Tire:
- Reinstall the spare tire, ensuring it does not interfere with the hitch or fasteners.
Hardware List:
- (4) Hex Bolts, M14 x 2.0 x 45mm CL10.9
- (6) 1/2”-13 Hex Nuts
- (4) Conical Toothed Washers, 5/8” (black)
- (2) Carriage Bolts, 1/2”-13 x 2” GR5
- (2) Spacer Blocks, 1-1/2” x 2” (short-bed only)
- (10) Conical Toothed Washers, 1/2” (gold)
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.
- Observe safety precautions when working beneath a 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 12,000 lbs (5,448 kg), Max Tongue Weight 1,200 lbs (545 kg).
- Weight Carrying (Ball Mount): Max Trailer Weight 8,000 lbs (3,632 kg), Max Tongue Weight 800 lbs (363 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.