How to get your alternator running smoothly and silently

Alternators can be scary things. They play a crucial role in keeping your car going, and if they fail, can leave you stranded. More, as complex and intricate electrical units, they are not the sort of thing many would rush to disassemble should something need to be repaired. So why did I have mine open on the kitchen table the other night?

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Give your pulleys a new lease on life

The belt that drives the accessories on the front of your engine is routed around a number of pulleys. Some of these are attached to things like the alternator and power steering pump, and there is also a pulley on the belt tensioner. You may find that your car has a separate pulley, called the idler pulley, that solely functions to route the belt a particular way.

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Liquid matters

Not counting the fuel in your tank, your car will have at least twenty litres of different fluids in it. Those fluids all perform crucial functions, and you need to keep a close watch on them if you are going to enjoy motoring adventures that do not end in some kind of catastrophic fashion.

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Over at Not £2 Grand (which you ought to follow on Twitter and Facebook, by the way), I have a new post telling you a little bit about all these different fluids and helping you think about how to keep them healthy. Head on over and have a read, because ‘ultimately, your vehicle’s fluids are vital to its life, and there are few more important things you can do for your car than to keep them all clean and topped up’. You can find the full post here.

Realigning the bumper cover on a BL/BP Subaru Outback

A few months ago, someone with a distinct lack of ability in navigating car parks gave the Outback a blow to the face. My wife was out at the shops and returned to the car to find this big mark on the front bumper cover. When she got home, I took a good look at it and, in addition to seeing a big crack, discovered the cover was hanging a bit loose, owing to what I surmised was probably a couple of broken clips.

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Flex disc woes

On most rear-wheel drive vehicles, a flex disc, sometimes called a giubo (which, you may be interested to know, is properly pronounced JOO-boh), is fitted where the gearbox and propshaft flanges meet. Flex discs are designed to help smooth out the transfer of torque between the gearbox and the rear wheels. You can see it in place on my E39 below, with the gearbox crossmember removed, which you need out of the way in order to access the flex disc.

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The photo below shows the old flex disc from my car on the left, and the new one on the right. Now, if you’ve been following this blog for any length of time, you will know that I replaced this last March. So why am I doing it again now, and more importantly, why is the old one so distressed already? Continue reading “Flex disc woes”

SEAT Leon (Mk1) front suspension overhaul

Next to your engine and gearbox, maintaining your suspension is one of the best things you can do for your car. The suspension is both what keeps you connected to the road, and what absorbs all the road’s imperfections, and in a bad state of repair, it will hurt your fuel economy, decrease the lifespan of your tyres, and adversely affect your car’s ride and handling, not to mention make your car less safe to operate.

Thankfully, rebuilding a suspension on many cars is not a terribly expensive or exceedingly difficult undertaking, and doing so can make a tired old car feel much newer again. It is also a job that can quite often be done an average DIY-er.

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