5.1.4 Integrity of the front section for cooling, collision, aerodynamics and lighting
Cooling
Continuous airflow through the front section and engine compartment must not be impeded by the installation of additional equipment. If
in doubt, contact your Volkswagen Commercial Vehicles partner or importer.
Lighting
The lighting system must not be modified.
Collision
Do not cut, drill or weld any parts that are relevant to the load path in the event of a collision. Do not add any material in the collision zone.
This could adversely affect the calibration of the collision sensor.
The side airbag system is not permitted if:
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A swivel mechanism is attached to the front seats
A side panel or other attachment is anchored to the inner or outer area of the B-pillar
Static and dynamic sealing and finishing
After cutting or drilling the body, ensure proper sealing against the ingress of water, salt, dust etc. Use sealing and surface material
approved by Volkswagen Commercial Vehicles as well as underbody corrosion protection. See also chapter 5.4 “Corrosion protection”.
5.1.5 Tipper bodies
Double cab versions can be used for tipper conversions with the exception of the extended rear chassis frame.
All versions allow one-way and three-way tipping.
We recommend that the tipping system only be in operation when the engine is running. We also recommend that the main switch be
located in the safety area of the cab. Refer to the section on hydraulic lifting equipment for information on how to route wires and
hydraulic lines. Ensure that the gross axle weight rating, including the minimum load on the front axle, is not exceeded or fallen below.
For tipper subframes, follow these guidelines:
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Design a full length continuous frame with fasteners for engine, pump unit, tank, pivot points and cylinders.
Use all the mounting points on the chassis frame to fit the subframe.
Very rigid subframes can damage the chassis frame by preventing its natural flex. Flexible mounts should therefore be used with a
flexibility of up to +/- 12 mm when the vehicle is loaded or unladen (whichever is the worst case). Compliant mounts should have a
minimum deflection of 2 mm per 200 kg mass at each front chassis frame mount. Compliant mounts must have captive bolts. Use a
minimum of two M10 grade 8.8 bolts, washers and self-locking nuts at each fixed and compliant chassis frame location.
The subframe must extend to the rear of the cab and be secured at all mounting points, with the front end designed to minimise
localised frame loading. However, it is preferable to fit the subframe on the mounting brackets at a distance from the top of the
chassis frame.
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Lateral tipping loads/forces must be absorbed by the subframe. We do not recommend applying loads to the chassis frame.
Volkswagen Commercial Vehicles – Body builder guidelines – February 2023 edition
The new Amarok – Page 130 of 166