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    Audi A4 2004 Problems

    Are you having problems with your 2004 Audi A4? Let our team of motoring experts keep you up to date with all of the latest 2004 Audi A4 issues & faults. We have gathered all of the most frequently asked questions and problems relating to the 2004 Audi A4 in one spot to help you decide if it's a smart buy.

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    What oil does a 2004 Audi A4 use in the engine?
    Answered by David Morley · 16 September 2020

    I’d go for a fully synthetic engine oil with a viscosity rating of 5W-40. The turbocharged 1.8-litre engine in that model is a pretty hard-working unit and quite a complex engine, so frequent oil changes are critical to its longevity. The brand of oil is not so important, provided you use a quality brand and not the Brand-X stuff sold at supermarkets and some online clearing houses. Don’t forget to change the oil filter at the same time; putting clean, fresh oil through an old, dirty filter makes no sense at all.

    Used Audi A4 review: 2002-2013
    By Ewan Kennedy · 15 September 2014
    For years Audi struggled to gain equal footing with BMW and Mercedes in Australia, but that has all changed and sales have been climbing at double-digit rates for several years now. Though the Audi range is extensive and growing even larger all the time the A4, with its smaller brother the A3 at its side, has
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    Disclaimer: You acknowledge and agree that all answers are provided as a general guide only and should not be relied upon as bespoke advice. Carsguide is not liable for the accuracy of any information provided in the answers.
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