| Additional heating element (00402) -Z35- (with Additional air heating control unit (00483) -J604-): removing and installing |
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| Vehicles with diesel engine are currently fitted with an electric additional heater (heat energy is added to air flow immediately after exiting from heating system heat exchanger). Check whether the vehicle is fitted with additional heating → Vehicle diagnosis, testing and information system VAS 5051. |
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| For vehicles with a petrol engine, no additional heating is fitted. |
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| Only air distribution housings with an opening for an additional heating element are supplied as spare parts. In vehicles without an additional heating element the opening is covered by the cover for the heat exchanger (different versions) → Parts catalogue. |
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