VW Transporter T4 Westfalia oweners manual page 140

text version of content this owner's manual page from owners manual to the vehicle VW Transporter T4, year of production 1990 - 2003:

TECHNICAL DESCRIPTION zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA Activated charcoal filter* Attention Quite often this can be remedied by selectVehicle-s with a regulated catalytic con- Due to high temperatures which ing another brand of fuel or, filling uverterp with , in Germany and other export unleaded premium petrol. zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBAcountries, have a fuel system which in- can occur in the catalytic con- cludes an activated charcoal filter (petrol va- verter in very unfavourable pour accumulator). 50 kW Diesel engine conditions, the vehicle should not be parked so that the catalyt-An oxidation catalytic converter is fitted in The activated charcoal filter prevents the ic converter can come into con- the exhaust system of this Diesel engine. It fuel vapour escaping into the atmosphere. tact with inflammable materials. consists of a steel-cased ceramic body con- These vapours pass into a container filled taining a multitude of longitudinal passages with activated charcoal and, when the en- If whilst driving, the enginwhice mish are vapou- r coated with platinum. The gine is stationary they are accumulated in fires, loses power and runs uneven- catalytic converter largely eliminates the the activated charcoal. When the engine is ly, this could be due to a fault in the unpleasant smelling hydrocarbons and running, the container is automatically ignition system. In a case like this, turns carbon monoxide into carbon dioxide. unburnt fuel can enter the exhaust ventilated by opening a valve and the fuel In addition an exhaust gas turbochargevapour is fed into ther engine for combus- system and then escape to atmos- tion. forces air into the cylinder, causing the en- phere. Furthermore, the catalytic gine to operate with a high excess of air. The converter could become damaged The system works completely automati- fuel which is then injected in is so complete- due to overheating. The vehicle cally and is maintenance-free. speed must be reduced immediately ly burnt, that under full load soot is no longer and the defect should be eliminated visible in the exhaust. at the nearest Volkswagen dealer. As the diesel engine catalytic converter does not get hotter than a conventional ex- Note zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA haust system, under normal conditions there is nothing special to be noted, this Even in the case of a perfectly working ex- applies also to parking. haust emission control system there can, under certain engine operating conditions, The system does not require any additional be a sulphur-type exhaust smell. care or maintenance. This depends upon the sulphur content in the fuel being used. www.WestfaliaT4.info - a useful website for owners and enthusiasts of VW Westfalia T4 Transporter / Eurovan Campervans 138

owners manual VW Transporter T4

owners manual VW Transporter T4 - year of production: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 - VW Transporter T4 Westfalia oweners manual EN