Pro Series 51173 User Manual [en, es, fr]

Pontiac Bonneville – All Models, Buick LeSabre – All Models

Buick Lucerne – All Models, Oldsmobile Aurora

Frame Rail

Fascia

Hitch Shown In Proper Position

Equipment Required: Tin Snips

Fastener Kit: 51173F Wrenches: 15mm, 17mm, 9/16, 3/4 Drill Bits: ½”

Installation Instructions

Drawbar Kit:

36063

Drawbar must be used in the

position only.

Rise

3500 LB Max Gross Trailer Weight

300 LB Max Tongue Weight

Wiring Access Location: PC3, PC4

Part Numbers:

51173

Do Not Exceed Lower of Towing Vehicle

Manufacturer’s Rating or

2345

Rubber Hanger

Frame Rail

Weldnut

Drilled Hole

5432

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.

z 2009 Cequent Performance Products

Bolt Assembly M10 x 1.50 x 45mm CL9.8Qty. (2)

Carriage Bolt ½-13 x 1.75 GR5Qty. (2)

Block ¼ x 1 x 3Qty. (2)

Lock Washer ½”Qty. (2)

Figure 1

On vehicles with Dual exhaust, hanger Bracket arrangement Typical both sides

Hex Nut ½-13Qty. (2)

Carriage Bolt 3/8-16 x 2” GR5Qty. (2)

Flanged Locknut 3/8-16Qty. (2)

Exhaust Hanger BracketQty. (2)

Rev. A8-26-0951173NSheet 1 of 6

Form F206 Rev A 5605

Installation Instructions

Pontiac Bonneville – All Models, Buick LeSabre – All Models

Buick Lucerne – All Models, Oldsmobile Aurora

Do Not Exceed Lower of Towing Vehicle

Manufacturer’s Rating or

3500 LB Max Gross Trailer Weight

300 LB Max Tongue Weight

Wiring Access Location: PC3, PC4

Part Numbers:

51173

Heat shield Mounting bolt To be removed And discarded

Figure 2

Heat shield trim –Passenger Side Shown

Trim heat shield Around drilled hole

Heat Shield

Drilled Hole

Load Leveling Control Housing

Trim Here

Passenger Side Frame Rail

Figure 3

Load Leveling Control Housing Trim – Passenger Side

1. Remove exhaust hanger bracket from bottom of frame rail and disconnect from rubber hanger attached to exhaust tail pipe. A replacement bracket is provided and will be installed later. Return factory exhaust brackets to vehicle owner.

2. Raise hitch into position. Using hitch as a template, drill (2) ½” holes.

Note:

On vehicles equipped with heat shield, remove rearmost fastener which secures heat shield to frame rail and discard.

Trim heat shield as shown in Figure 2.

On vehicles equipped with automatic load leveling control, remove rearmost fastener which secures load leveling control

Note:

housing to frame rail and discard. Trim load leveling control housing as shown in Figure 3.

3. Lower hitch and fishwire carriage bolts and blocks as shown in Figure 1.

4. Raise hitch into position and install remaining fasteners as shown in Figure 1. Heat shield, if present, will be sandwiched between frame and hitch side bracket at installation.

5. Attach hanger brackets. Install 3/8-16 x 2” carriage bolt thru square hole in bracket to bottom of frame. Slide rubber hanger onto 3/8” carriage bolt and secure with flanged locknut. Tighten nut against rubber hanger allowing hanger to rotate – DO NOT OVER TIGHTEN.

Tighten all M10 CL9.8 fasteners with torque wrench to 53 Lb.-Ft.

Tighten all 3/8 GR5 fasteners with torque wrench to 31 Lb.-Ft.

Tighten all 1/2 GR5 fasteners with torque wrench to 75 Lb.-Ft.

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.

z 2009 Cequent Performance Products

Form F206 Rev A 5605

Rev. A8-26-0951173NSheet 2 of 6

+ 4 hidden pages