Pro Series 51074 51 Receiver - Manual

Installation Instructions
Chevrolet Colorado Pickup,
GMC Canyon Pickup & Isuzu “I” Series Pickup
Part Numbers:
51074
Hitch Shown In Proper Position
(Bumper bracket shown is
typical 2008 & newer trucks)
Equipment Required:
Wrenches: 21mm, 22mm, 11/16”
Drill Bits: None
1. On 2007 & earlier trucks the bumper brackets are on the outside of the truck frame. On 2008 & newer trucks the bumper
brackets are inside the truck frame. Remove the (2) bolts per side attaching bumper brackets to frame.
2. It helps to tape the 5/8” thick blocks supplied in place to the side of the frame or bumper brackets as shown above before
raising hitch in to place.
3. Install (2) new M14 bolts supplied per side as shown above through hitch, blocks and frame and loosely tighten.
4. Fishwire 7/16” carriage bolts and blocks through truck frame in to holes in truck frame that align with slots in hitch. On 2007 &
older trucks you can fishwire from end of truck frame. On 2008 & newer trucks there is an access slot on outside of frame.
5. Note! Insert 1/2” flat washers supplied as needed between hitch and bottom of truck frame as shown above, both sides. This
is done to take up space created by existing weld on bottom of all truck frames & existing flat washer holding bumper bracket
on newer trucks.
6. Torque all (4) M14 bolts with torque wrench to 115 Lb.-Ft. (156 N*M)
7. Torque both 7/16” bolts with torque wrench to 50 Lb.-Ft. (68 N*M)
Rev. A 9-28-07 51074N Sheet 1 of 3 z 2007 Cequent Towing Products
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: 51074F
Do Not Exceed Lower of Towing Vehicle Manufacturer’s Rating or
600 (272 Kg.) 6000 (2724 Kg.)
Weight Carrying
Ball Mount
750 (340 Kg.) 7500 (3405 Kg.) Weight Distributing
Max Tongue
WT (LB)
Max Gross
Trailer WT (LB)
Hitch type
Wiring Access location: PU3
Form: F205 Rev A 5-6-05
Vehicle Frame
Bumper
Other equipment: Tape
1/2” Flat Washer Qty. (4) Hex Bolt, M14 X 2.00 X 45mm Qty. (4) 6 1
7/16” Conical Toothed Washers Qty. (2) 5/8” Conical Toothed Washers Qty. (4) 2 7
Hex Nut, 7/16”-14 Qty. (2) Block, 5/8” X 1-1/2” X 2-1/8” Qty. (4) 8 3
Wire Leader, 7/16” Qty. (1) Carriage Bolt, 7/16”-14 X 1-3/4” Qty. (2) 4 9
Block, 1/8” X 7/8” X 2” with square hole. Qty. (2) 5
Bumper
Bracket
Access slot 08 &
newer trucks
1 2
1
2
Tape blocks to outside of
bumper bracket or frame
depending on truck year
3
4
5
4 5
All Fasteners
Typical Both
Sides
Access through end of
frame 2007 & older trucks
Access through slot in outside of
frame 2008 & newer trucks
8
7
6
6
Bumper bracket
shown is typical
of 2007 & older
trucks
3
8 7
Note! Hitch is
purposely built wide.
Frame brackets will
draw in when
tightened.