Trailboss QTHD519L Fitting Instructions Manual Download Page 1

 
 
 
 
 
 

Towbar Fitting Instructions

 

To Suit 

HOLDEN VF COMMODORE SEDAN 2013 ON

 

Part Number 

QTHD519L

 

Rating 

2100/210

 kg 

PLACE THESE INSTRUCTIONS IN THE VEHICLE’S GLOVEBOX AFTER INSTALLATION IS COMPLETED 

 

         

Rev: D                                                                                Page 1 

    Issue Date: 

27-3-2015

 

 

Cequent Customer Service 

Ph: 1800 812 017 Fax: 03 9898 3299 

Email: [email protected] 

Post: PO Box 4050, Dandenong South VIC 3175 

FOR TRAILER TOWING PURPOSES ONLY 

For towing capacity details please refer to vehicle owner’s 
manual or to the manufacturer.  Overloading can void your 
warranties. 

WARNING:   

1.  Do not, drill, cut, weld or otherwise modify the tow bar. 
2.  If you are using electric welding on a motor vehicle, 

always

 check that the vehicle is not equipped with electronic 

engine or instrument management equipment.  Failure to do so could

 destroy

 any onboard computers.  If in 

doubt, check with the vehicle's manufacturer. 

3.  The high tensile fasteners supplied with this product were used to achieve the specified rating. If replacement is 

required ensure that fasteners of the same rating & quality are used.  Contact an authorised 

Trailboss

 dealer if 

further information is required. 

General: 

1.  Ensure all hardware items have been included refer to assembly diagram. 
2.  It is recommended that the instructions are read through and completely understood before making any attempt 

to fit this product. 

3.  Be wary of any changes to vehicle designs or other accessories that may conflict with the installation of this 

product. 

4.  Before drilling ensure that the area is clear of fuel, electrical & other components.  
5.  All holes drilled into the body panels shall have all burrs & swarf removed then coated with a suitable rust 

preventative paint. 

6.  For vehicles that require the bumper to be cut. Ensure cut out area is in correct position on the vehicle prior to 

cutting the bumper. 

7.  The high tensile fasteners supplied with this product were used to achieve the specified rating. If replacement is 

required ensure that fasteners of the same rating & quality are used.  Contact an authorized 

Trailboss

 dealer if 

further information is required. 

8.  Ensure that all hardware is fastened to torque list below check fasteners on regular basis. 
9.  Tow bar load rating sticker provided with this product shall be conspicuously located on inside rear end of the 

driver's door.  

(See diagram below).

 

10.  Trailboss recommends that you check your tow ball to ensure that it complies with the Australian standards      

AS 4177.2.

 

11. 

PLEASE NOTE

: It is advised to remove your lug or tbm when not actually towing so as to produce a clear view of 

the vehicles registration plate if obscured, and to also provide maximum available departure angle 

12.  Pull Pin must be fit in down position. 

 
 

 

 

 

 

 

 

 

Tow bar Maintenance and Care. 

 
Trailboss recommends that bolt torque’s, as listed below, are routinely and regularly inspected and checked for correct 
tension. Replace any worn or defective parts. 
We recommended to remove Tow Ball Mounts (TBM’s, tongues or lugs) when not being used for any considerable length 
of time.  
So as to avoid injury, when not towing it is suggested that the tongue, Pull Pin and R-clip are removed then stored in a 
safe, clean and dry place, away from excessive moisture. 
Hitch Pull Pins and spring “R” clips are regularly checked for proper installation. Replace any worn or defective parts. 

 

Place load rating sticker 

inside driver’s door here 

RECOMMENDED ASSEMBLY TORQUE LISTING 
Diameter 

Grade 8.8 Bolt 

 

 

M6 9.5 

Nm 

M8 21.7 

Nm 

M10 

 43.4 Nm 

M12 77.3Nm 
M14 

  146  Nm 

M16

189.8 Nm  

Summary of Contents for QTHD519L

Page 1: ...table rust preventative paint 6 For vehicles that require the bumper to be cut Ensure cut out area is in correct position on the vehicle prior to cutting the bumper 7 The high tensile fasteners supplied with this product were used to achieve the specified rating If replacement is required ensure that fasteners of the same rating quality are used Contact an authorized Trailboss dealer if further in...

Page 2: ...17 Fax 03 9898 3299 Email info cequent com au Post PO Box 4050 Dandenong South VIC 3175 QTY DESCRIPTION ITEM NO 1 WELDED ASSEMBLY 1 2 TBM ASSEMBLY 2 1 HEX NUT M10X1 5 3 1 SET SCREW HEX HD M10X30X1 5P 4 4 BOLT SP M10X105X1 5P 11589345 5 2 FORMED BOOT PLATE 6 1 PLUG BRACKET 7 2 NUT NYLOC M4 0 7 Z P 8 1 PULL PIN 9 1 R CLIP 10 1 HITCH BOX COLLAR COVER 11 1 WIRING LOOM 12 1 BUMPER TRIM PINCH WELD 580MM...

Page 3: ...the rear inside plastic trim to the inside rear Chassis Remove the trim by lifting upwards and place to the side 6 Lift spare tire cover to gain access underneath Remove the silver tape covering the 2 Bolt holes Repeat for opposite side of vehicle 7 Offer Towbar to vehicle inserting the Towbar side arms into the existing Chassis Rail holes Force may be required to slide inside Chassis Rail 8 Fit l...

Page 4: ...h 1800 812 017 Fax 03 9797 3299 Email info cequent com au Post PO Box 4050 Dandenong South VIC 3175 Wiring Loom Installation Instructions Holden Commodore VF Sedan Wagon Part No 100971 WL ECU Required 04839 Tail Harness Length Required 1200mm Wiring Loom Installation Time Approx 20 Mins Holden Commodore VF Sedan page 2 Holden Commodore VF Wagon pages 3 ...

Page 5: ...ailer patch P No 100971 WL mating connector 2 5 Connect the trailer patch ECU connector 3 to the ECU 4 and then mount the ECU to the rear quarter panel using double sided adhesive tape ensuring the ECU connector end is pointing down Route the trailer patch harness towards the spare wheel well 6 From the rear exterior underside of the vehicle route the tail harness tail length 1200mm up through the...

Page 6: ...ing drill a 30mm hole 1 into the LHS quarter 4 In the LHS luggage compartment rear quarter area locate and connect the grey 6 way break out connector 1 to the trailer patch P No 100971 WL mating connector 2 5 Connect the trailer patch ECU connector 3 to the ECU 4 and then mount ECU to the rear quarter sheet metal panel using double sided adhesive tape ensuring the connector end if pointing down 6 ...

Page 7: ...ng South VIC 3175 9 In the luggage compartment spare wheel well connect the trailer harness 8 way connector to the trailer patch mating connector 10 Test the trailer wiring harness function using a light board or multimeter 11 Secure all harnesses using cable ties not supplied 12 Re fit all removed parts and secure all fasteners ensuring there are no squeaks or rattles 13 Place the fitting instruc...

Page 8: ... parts are available from your Pro Series Distributor Hitch Pin Nut R Clip Hitch Pin Fig 1 Silent Anti Rattle Hitch Pin assembly Fig 2 Installation of Trailer Ball Mount Fig 3 Silent Anti Rattle Hitch Pin orientation Insert Trailer Ball Mount TBM into towbar HITCHBOX aligning hole in TBM SHANK with hole in HITCHBOX Fig 2 Insert HITCH PIN through hole in HITCHBOX and hole in TBM SHANK ensure the LO...

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