Westfalia Tow Bars: Models 304147 & 304148

Installation Guide and Technical Specifications

Brand: Westfalia | Models: 304147600001 (SI149), 304148600001 (SI150)

Important Safety and Usage Information

ATTENTION: For usage characteristics, consult the vehicle's registration document (log book/carte grise). Installation according to recommendations ensures full satisfaction. Westfalia disclaims responsibility for any modifications or illicit use.

ACHTUNG: (Usage Features: see vehicle registration document). This tow bar will fully satisfy you if you follow our assembly instructions. In case of unauthorized modification or use, we disclaim all liability.

PLEASE NOTE: (To familiarise yourself with the operating characteristics, refer to the log book). If this tow bar is fitted in accordance with our recommendations, it will give complete satisfaction. We cannot accept any responsibility in the event of changes to or improper use of this item.

BEMÆRK: (For further information on usage conditions, refer to the registration certificate). If this tow bar is mounted according to our instructions, it will be to your full satisfaction. We disclaim any liability for illegal modification or use of the tow bar.

ΠΡΟΣΟΧΗ: (To familiarise yourself with the usage characteristics, consult the grey card). Installed according to our recommendations, this towing system will fully satisfy you. We disclaim all responsibility in case of modification or illegal use.

ATENCIÓN: (To know the usage characteristics, consult the circulation permit). Installed following our recommendations, this hitch will give you total satisfaction. We will not assume any responsibility in case it has been modified or used illicitly.

UWAGA: (Usage characteristics should be checked in the registration document). The tow bar will function correctly after installation according to recommendations. We do not accept any responsibility in case of modifications or unauthorized use.

HUOMIO: (To familiarise yourself with the operating characteristics, consult the registration certificate). Installed according to recommendations, this tow bar will meet your expectations. We do not take responsibility if the device is modified or used contrary to instructions.

ATTENZIONE: (To know the usage characteristics, consult the circulation booklet). Installed following our recommendations, this tow bar will leave you completely satisfied. We reject any responsibility in case of transformation or illicit use of the same.

LET OP: (For usage characteristics, consult the registration certificate). If you have installed the coupling according to our recommendations, it will give you full satisfaction. We are not liable in case of modification or unlawful use.

POZOR: (User characteristics can be found in the technical passport). The tow bar installed according to our recommendations will fully satisfy you. In case of modification or unauthorized use, we disclaim all responsibility.

ADVARSEL: (For knowledge of operating characteristics, see vehicle registration card). By installing the device in accordance with our recommendations, you will get maximum benefit from this trailer hitch. We disclaim all responsibility if the trailer hitch is modified or used illegally.

VARNING: (Read the registration certificate to find out the prevailing usage conditions). If you mount the product according to our instructions, you will achieve the best possible result. We disclaim all responsibility in cases where the customer has not followed our instructions fully.

FIGYELEM: (Usage characteristics can be found in the vehicle registration document). If the tow hitch is installed according to our specifications, you can use the product with complete satisfaction. We accept no responsibility in case of product modification or prohibited use.

ВНИМАНИЕ: (To familiarize yourself with the operating characteristics, study the vehicle's technical passport). Installed in accordance with recommendations, this tow hitch will fully satisfy your needs. The manufacturer bears no responsibility in case of deformation or [unspecified issue].

Product Overview

This document provides detailed information for Westfalia tow bars, models 304147 and 304148, designed for vehicles such as the Citroën C4 and DS4.

Compatible Vehicles

General Specifications

Maximum vertical load (S) 75 kg
Maximum towing capacity (trailer) 1,873 kg (for DS4), 1,857 kg (for C4)
D-Value 9.19 kN
Homologation e24*R55*01*0168*02 (304147), e24*R55*01*0169*01 (304148)
Estimated Installation Time 60 minutes

Tow Bar Weights

Detailed Technical Data

The following data is provided, detailing the tow bar type and vehicle compatibility.

Based on European Directive 94/20, the maximum towing mass of the tow bar is determined by the 'D' test value as defined:

D = (T x C) / (T + C) x 0.00981 = 9.19 kN

where: T = Max. gross mass of the towing vehicle (in kg) and C = Max. towing mass of the towing vehicle (in kg)

Parts List

Model 304147 Hardware

Component Group Description Quantity
UVL10/22x 4
UVDEC10x 4
UVM10 - cl8 - 40Nmx 4
UVHM10x30 - cl8.8 - 40Nmx 2
WDEC10x 2
WL10/22x 2
WM10 - cl8 - 40Nmx 2
WHM8x45 - cl8.8 - 20Nmx 4
XL8/27x 5
XDEC8x 4
XM8 - cl8.8 - 20Nmx 1
YHM10x30 - cl8.8 - 40Nmx 2
YDEC10x 2
YL10/22x 2
ZHM12x60 - cl8.8 - 65Nmx 2
ZM12 - cl8 - 65Nmx 2
ZL12/27x 1

Model 304148 Hardware

Component Group Description Quantity
UVL10/22x 4
UVDEC10x 4
UVM10 - cl8 - 40Nmx 4
UVHM10x30 - cl8.8 - 40Nmx 2
WDEC10x 2
WL10/22x 2
WM10 - cl8 - 40Nmx 2
WHM8x45 - cl8.8 - 20Nmx 4
XL8/27x 5
XDEC8x 4
XM8 - cl8.8 - 20Nmx 1
YHM10x30 - cl8.8 - 40Nmx 2
YDEC10x 2
YL10/22x 2
ZHM12x100 - cl10.9 - 95Nmx 2
ZM12 - cl10 - 95Nmx 2
ZDEC12x 1

Installation Guide

General Notes

Installation requires basic tools and approximately 60 minutes. Refer to the vehicle's specific manual for access to mounting points. Ensure all fasteners are tightened to the specified torque values. Safety first: always use appropriate safety equipment.

Step-by-Step Instructions

  1. Step 1: Access the underside of the vehicle's rear bumper area. Locate and release retaining clips or fasteners to allow access to the mounting points. A flathead screwdriver or trim removal tool may be required. [Diagram shows rear of car, arrow pointing up, inset of trim tool]
  2. Step 2: Using a wrench (tools [wrench 17] & [wrench 18] indicated), prepare the mounting points on the vehicle's chassis. This may involve removing existing components or preparing holes. [Diagram shows rear of car, arrow pointing up, inset of wrenches 17 & 18]
  3. Step 3: Locate the electrical connector or control module area within the vehicle's rear. This step often involves accessing the vehicle's wiring harness. [Diagram shows rear of car, arrow pointing up, inset of electrical module]
  4. Step 4: Connect the tow bar's electrical wiring harness to the vehicle's existing system. This may involve splicing wires or using a dedicated adapter kit. Secure the module or control box. [Diagram shows rear of car, arrow pointing up, inset of electrical connections]
  5. Step 5: Position the tow bar frame (labeled U and V) against the vehicle's chassis mounting points. Use the specified bolts (e.g., U, V) and washers to loosely attach the main frame. [Diagram shows tow bar frame components U and V being attached to chassis, arrows indicate placement]
  6. Step 6: Continue attaching the tow bar frame (U, V) to the chassis. Ensure the frame is correctly aligned before fully tightening. [Diagram shows tow bar frame components U and V being attached to chassis, arrows indicate placement]
  7. Step 7: Access the underside of the vehicle's rear. This may involve removing a section of the bumper or undertray to allow clearance for the tow bar. Arrows indicate upward movement and removal of components. [Diagram shows rear of car, arrows indicating upward movement and removal of bumper/undertray]
  8. Step 8: Attach the tow bar's side brackets (labeled W) to the vehicle's chassis using the specified hardware (tools [wrench 17] & [wrench 18] indicated). Ensure proper orientation. [Diagram shows rear of car, arrow pointing up, inset of wrenches 17 & 18, component W]
  9. Step 9: Attach the tow bar's main support arms (labeled X, Y) to the chassis and/or the main frame (W). Use the specified fasteners. Arrows indicate the direction of attachment. [Diagram shows components X and Y being attached to the tow bar structure]
  10. Step 10: Measurements for bumper cut-out (if required). For C4: 50 mm (height from top edge), 120 mm (width), 75 mm (depth). For DS4: 30 mm (height from top edge), 120 mm (width), 75 mm (depth). [Diagram shows dimensions for C4 and DS4 bumper cut-outs]
  11. Step 11: Measurements for bumper cut-out (if required). For C4: 35 mm (height from top edge), 100 mm (width), 50 mm (depth). For DS4: 15 mm (height from top edge), 100 mm (width), 30 mm (depth). [Diagram shows dimensions for C4 and DS4 bumper cut-outs]
  12. Step 12: Final checks. Ensure all connections are secure. A hand symbol indicates checking for loose parts or connections. [Diagram shows hand symbol]
  13. Step 13: Final tightening of all fasteners using the specified wrenches (tools [wrench 17] - [wrench 18] indicated). [Diagram shows wrenches 17 & 18]

Declaration of Correct Assembly

The undersigned company declares that the tow bar type ________________ has been installed correctly, respecting the attachment points and specifications provided by the manufacturer.

On vehicle: ____________________________________________________ (e.g., Berlingo/Partner)

License plate: ____________________________________________________

Date: ____________________________________________________

Stamp and Signature:

It is also declared that the vehicle user has been informed about the USE and MAINTENANCE of the device.

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