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Car Mechanics

Car Mechanics June 2019

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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!

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Land:
United Kingdom
Sprache:
English
Verlag:
Kelsey Publishing Group
Erscheinungsweise:
Monthly
AUSGABE KAUFEN
4,16 €(Inkl. MwSt.)

in dieser ausgabe

2 Min.
lost cats

You may have seen recent reports on social media about a rise in the number of robberies of catalytic converters from vehicles. Vans have always been particularly vulnerable, because it’s easy to clamber underneath without the need for lifting gear. However, over the past year or so, there has been an increase in the theft of Toyota Prius MkII cats from cars just parked on the street, most done in broad daylight. I’ve seen a video of a car – probably on false plates – pulling up alongside a Prius hybrid, where two guys jump out and a third stays behind the wheel. One guy hauls out a hefty trolley jack, locates it under the front sill area and lifts up the Prius in double-quick time, while the other guy uses…

1 Min.
volkswagen golf gti sold

▶ At the end of April, I met up with CM reader Rom Walon, who’s bought our ex-project VW Golf GTI MkV. I’d met Rom a couple of weeks earlier for a viewing of the Golf, so it was back to the same McDonald’s car park to hand over the keys and V5C. This meant a good run for the Golf of about 50 miles each way, as Chichester is roughly halfway between our homes. With 117,000 miles to its name, the gleaming red GTI with freshly restored alloys did look splendid. Rom and his wife Alison already own a MkVI GTI, but have been having problems with leaking fuel injectors and catalytic converter contamination, so are hoping to be more relaxed in the driving seat of the MkV.…

1 Min.
apology

▶ We would like to apologise for the comments made about Motability drivers written by Steven Ward in his Dealer’s Diary column in the May 2019 issue and I would like to personally apologise to anyone who has been offended or upset about what he wrote. Although I accept responsibility for allowing the piece to appear in the magazine, I’d like to state that the comments do not reflect my personal feelings, nor those of the publisher, Bauer Media. We would also like to correct a factual error that appeared in the same piece, where Mr Ward said that Motability drivers are given their vehicles for ‘free’. In fact, most manufacturers’ Motability Scheme vehicles are subject to an initial down payment, followed by monthly payments. Once again my sincerest apologies to any…

22 Min.
we have ignition

Despite huge advances in electronics, the internal combustion engine (ICE) relies still on an ignition source to ignite the fuel/air mixture at precisely the right moment. As their name suggests, petrol, or ‘spark ignition’ engines, use a high-voltage arc that jumps between two electrodes on a spark plug, located within the cylinder. Diesel, or ‘compression ignition’ engines, squeeze a volume of air until it reaches a temperature high enough to ignite the heavy oil fuel, but they use glow plugs to facilitate more stable, efficient combustion at startup and in the initial warm-up phase, especially in cold conditions. In the early days of spark ignition engines, various means of generating the high voltages to create a spark strong enough to promote combustion were tried, from trembler coil to magneto ignition systems.…

1 Min.
types of ignition coil

Oil-filled ‘can’ Common on classic cars with contact breaker distributor systems, these coils are filled with oil, which acts as an insulator and coolant. More powerful coils than those fitted originally can be bought through classic car ignition system specialists. Distributor (coil and module/ignition modules) In most cases, these systems have the contact breaker points replaced by a transistor. You may find that the coil and ignition ECU are combined. The high-voltage is directed to the spark plugs via a separate mechanically-driven distributor and HT leads. Dual-spark systems Using a distributorless layout, two spark plugs are supplied with high-voltage by a single ignition coil. High-tension (HT) leads are employed to connect the outlets of the block coil to the individual spark plugs. The ignition coils are triggered by the ECU, which receives an appropriate signal…

1 Min.
safety

• Do not touch, or remove, the ignition cables, the distributor cap, or the spark plug connectors while the engine is running. Only 40-50 volts is sufficient to overcome the resistance of your skin, with 0.08 amps being enough to cause cardiac arrest. • Only connect, or disconnect ECUs, HT and LT plugs and wiring when the ignition is switched off. • During all tests on the ignition system that require you to crank the engine on the starter motor, disconnect the fuel injection power supply to protect the catalytic converter and reduce the risk of a fire.…