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Car MechanicsCar Mechanics

Car Mechanics September 2018

Car Mechanics is the UK's only car magazine with essential advice on maintaining and repairing popular makes and models. It’s an invaluable motoring resource that appeals to both the DIY car enthusiast and the more experienced motor trade professional. Car Mechanics has helped save money for our readers every month since 1958. Each issue includes a wide range of in-depth features written in a clear, straightforward manner: • Readers’ motoring-related problems answered for FREE • Real-life motoring dilemmas from our man in the garage trade • Electronic diagnostics delves inside a different modern vehicle each month to explain its management system • Survival Guide looks at new and used component prices for a particular vehicle • Used Car Focus is an in-depth buying guide on a specific make and model • Service Bay covers a full service with close-up images and comprehensive descriptions • Project cars are a major part of the structure of the magazine as we buy, fix and sell different vehicles over a period of months So if you're into saving money and being a home technician, Car Mechanics will help you out - guaranteed!

United Kingdom
Bauer Media Ltd
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access_time4 min.
lube story

I bought these adjustable metal ramps from a CM reader and made use of them straight away by lifting this little Hyundai Amica. The Hyundai Amica’s camshaft position sensor was leaking oil, so I bought this replacement, only to discover the original was hard-wired into the wiring loom. Don’t you just love the smell of oil? Not gear oil – that stinks and you can’t get rid of the smell from your hands or clothes for days! I’m talking about engine oil. It smells good when it comes out of an engine, but smells even better when poured in fresh from a can.I can’t be the only one that gets pleasure from changing engine oil. After all, changing the oil in your motor at given schedules (or…

access_time1 min.
noted ford car designer dies

On July 21, 2018, the Ford car designer Chris Svensson passed away from cancer, aged just 52.Born in Sunderland, he enrolled in an art and design course at Sunderland Polytechnic, before joining Ford in 1992. One of his first tasks was to create a small city car, for which he came up with the Ka. He later worked for Ford in Germany, helping to develop the Focus, Mondeo, Puma, Fiesta and Fusion. He was also involved in creating the revamped FAB 1 driven by Lady Penelope in the 2004 Thunderbirds film.He was living and working in the US at the time of his death. ■…

access_time14 min.
lube under pressure

Within the last 15 years, engines have demanded more bespoke engine oils, but how do you know that the lubricant you use meets the grade? An engine would not last long without oil. In the absence of lubricant to separate its various moving parts, they would rub together, overheat and seize. While engine oil continues its critical lubrication roles, by minimising friction and dispersing heat, the increasing sophistication of modern engines, which experience higher loads and extended drain intervals, mean that additional tasks must be fulfilled by the oil to preserve not only the engine but also hardware that is positioned outside the crankcase, from turbochargers to antipollution equipment. The make-up Perhaps understandably, the huge advances in oil chemistry tend to be unappreciated, even among many professional…

access_time2 min.
the engine oil market

While many car manufacturers recommend that you use a certain brand, the specification provided is even more important. Do your research carefully. › Modern 20W-50 lubricants are unlikely to possess the same compositions as those blends of 30 or more years ago. Should you own a historic vehicle, you might have noticed that 20W-50 prices match those of modern oils in some cases. One explanation might be reduced economies of scale, but consider also that discerning classic car owners are prepared to pay more for peace of mind. Naturally, retailers are happy to oblige...While certain oils take advantage of modern technology to improve their formulations for older vehicles, buy with care. Many classic car oil blenders cite the importance of increased ZDDP (Zinc Dialkyl Dithiophosphate) levels, which were…

access_time1 min.

› The thickness of oil is critical to engine protection. It must be thin enough to reach critical parts as soon as possible after a cold start, yet retain sufficient body to provide a protective film of oil between moving parts when hot.Modern engine design and decreasing tolerances have resulted in thinner oils that cause less drag, increasing efficiency but reducing CO2 emissions and fuel consumption. Established by the Society of Automotive Engineers, the first number on modern multigrade oils that is followed by the letter ‘W’ is the 'winter' reference, when the oil is cold, followed by a ‘hot’ reference, which is measured in centistokes at 100°C. ■…

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acea & api specifications

Independent standards provided by the American Petroleum Institute (API) and/or the Association des Constructeurs Européens d’Automobiles (ACEA) should be noted to determine and compare oil qualities.API petrol specifications range from SG (1989), SH (1993), SJ (1996), SL (2001), SM (2004) and SN (2010). In many cases, API grades are backwards-compatible, so an older engine that requires an SG-specification oil should be able to tolerate an SJ lubricant of the same viscosity. Diesel API gradings of CH-4 (1998), CI-4 (2002), CJ-4 (2010) and CK-4 (2017) are current. The earlier CA, AB, CD, CE, CF and CG standards are obsolete, although you may still see them quoted.ACEA grades consist of ‘A’ for petrol and ‘B’ for diesel and are usually not backwards-compatible, because they are structured with separate classes and categories…