Pro Series 51072 51 Receiver - Manual

Installation Instructions
Chevrolet Silverado Pickup
GMC Sierra Pickup
(Requires OEM Bumper)
Part Numbers:
51072
Hitch Shown In Proper Position
Equipment Required:
Wrenches: 3/4 , 7/8, 21 mm
Drill Bits: None
Frame
1
Fasteners Typical Both Sides of Vehicle
Note: Factory Installed Steel Step Bumper and Brackets Must Be Used In Conjunction with Hitch
1. Remove existing M14 bolts from end of each frame rail.
2. Lift receiver into position, locating rearmost slots in receiver under existing weldnuts in vehicle frame.
3. Reinstall existing M14 bolts through receiver and frame into existing weldnuts.
4. Install remaining fasteners as shown.
Tighten all 1/2 GR5 fasteners with torque wrench to 75 Lb.-Ft. (102 N*M)
Rev. A 11-15-06 51072N Sheet 1 of 3 z 2006 Cequent Towing Products
Hex Nut 1/2-13 Qty. (4) 4 Spacer Qty. (4) 2
Conical Washer 1/2 Qty. (4) 3 Carriage Bolt 1/2-13 X 1-3/4 Qty. (4) 1
Tighten M14 CL10.9 fasteners with torque wrench to 115 Lb.-Ft. (156 N*M)
Note: check hitch frequently, making sure all fasteners and ball are properly tightened. If hitch is removed, plug all holes in trunk pan or other body panels to
prevent entry of water and exhaust fumes. A hitch or ball which has been damaged should be removed and replaced. Observe safety precautions when working
beneath a vehicle and wear eye protection. Do not cut access or attachment holes with a torch.
This product 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.
Fastener Kit: 51072F
Do Not Exceed Lower of Towing Vehicle
Manufacturer’s Rating or
500 (227 Kg) 5000 (2270 Kg)
Weight Carrying
Ball Mount
750 (341 Kg) 7500 (3405 Kg) Weight Distributing
Max Tongue
WT (LB)
Max Gross
Trailer WT (LB)
Hitch type
Wiring Access Location: PU3
2
3
4
Existing Weldnut Typical both sides
Factory installed Bumper Bracket
- Typical Both Sides
Note: All Fasteners Typical Both Sides of Vehicle
Note: Factory Installed Steel Step Bumper
and Brackets Must Be Used In
Conjunction with Hitch
Existing M14 bolt
SERIES 51®
Form: F205 Rev A 5-6-05