Why do I need a wheel balance?

/ - 2 mins read

Your wheels are round, they have tyres fitted over the top of them and they roll. Why fix what isn’t broke? Well, your wheels do roll, that’s where the problem comes from. Your wheels may be round and roll nicely, but without balancing, they won’t do that very well at all. If you need a […]

Read more »

Why does oil need changing?

- 3 mins read

Your oil is the most critical fluid in your engine. It lubricates all the really expensive stuff, it keeps things clean, and it cools the engine when you’re driving. Due to your oil being circulated constantly and lubricating a bunch of moving parts, it picks up dirt, moisture and other carbon deposits. To keep these […]

Read more »

What is a flywheel and how does it work?

- 3 mins read

Unfortunately, it doesn’t make your car fly. It does do some really neat other stuff though. It’s actually critical to any car with a manual transmission. It’s bolted to the crankshaft and serves as the mechanical connection between the crankshaft and the transmission. It also starts the car and makes sure it’s comfortable when it […]

Read more »

What’s a wheel alignment and why do I need one?

- 2 mins read

Your car should drive in a straight line when you want it to. To do this, you need the wheels all pointing in the same direction. Often you’ll find your car pulling to one side, this is a sign that your tyre alignment needs a check. Your wheel alignment means that your car will go […]

Read more »

Why is turbo lag a thing?

- 3 mins read

A turbo is a impeller that is spun via exhaust gas. It then spins an impeller that sucks in air, pressurises it and forces it into your engine. So your turbo takes something that you weren’t using anyway and turns it into more horsepower. Add in the fact that it often makes your car more […]

Read more »

What happens when your spark plugs call foul?

/ - 3 mins read

When a spark plug is ‘fouled’, it basically means it’s becoming too worn or contaminated to work properly.   While they’re a lot more reliable in modern cars, there are still things inside your engine (like fuel and carbon) which can build up onto your spark plugs, and eventually render them ineffective in either firing or […]

Read more »

What is a egr valve and how does it work?

/ - 2 mins read

An EGR valve sounds like it belongs in your heart. It doesn’t involve ventricles or aortas, it involves exhaust gas, the intake manifold, air and fuel, and emissions. EGR stands for Exhaust Gas Recirculation, it is a valve that car makers turned to in the fight against emissions and for fuel economy. It sounds really […]

Read more »

What the hell is a ‘tune-up’?

/ - 3 mins read

Okay, so truth be told, the term tune-up is a little redundant these days.  It only really applies if you’re talking about a pre-2000s car, although I still hear it bandied about today, so it seems like it’s loosely interchangeable with service or routine maintenance. The way modern cars are built has changed and so […]

Read more »

What is a sway bar and how does it work?

/ - 4 mins read

When you hear sway bar, you assume it has something to do with swaying. You’d be on the money. Also known as an ‘anti-roll bar’, it helps to distribute weight transfer and reduce body roll during cornering. It is a fairly simple idea but the engineering boffins make it an excellent one. A sway bar […]

Read more »

Expert’s guide to dashboard warning lights

/ - 4 mins read

Here at My Auto Shop, we like to face the facts when it comes to all things automotive.  Whether it’s making it easy to see a mechanic, or handy hints to de-stress while you’re on the road, we’ve got you covered. Today we thought it’d be useful to cover off what it means when your […]

Read more »

Is a mobile mechanic the same as a workshop?

- 2 mins read

If you’ve got a million things on the go and zero time to make it happen, then the convenience of a mobile mechanic can’t be understated.  In fact, they’re a lifesaver.  If you’re in need of some basic servicing, a mobile mechanic works a treat.  They’re able to work to the exact same standard as […]

Read more »

Expert’s guide to handy car tools and accessories

/ - 4 mins read

One of the exciting things about heading out on a road trip is the idea of being in uncharted territory, responding to the conditions and circumstances as they arise.  Part of being a smart driver is having your bases covered if anything goes awry.   You wouldn’t be the first person to be caught out in […]

Read more »

Do airbags have an expiry date?

- 3 mins read

Thankfully, I’ve never been in a situation where airbags have been needed, although it’s reassuring to know I’m always equipped if there is an accident.   I had a guy bump his SUV up against the back of our little hatchback last week, and it got me thinking, do airbags have any expiry date?   So I […]

Read more »

What is a mass airflow sensor and how does a maf work?

/ - 4 mins read

To keep your engine running you need air to combine with your fuel, at the set air fuel ratio. This mixture is what gives your engine the potential energy to combust. What amount of air and what amount of fuel though? Well you have a fuel injection map to scale up and down depending on […]

Read more »

What is a muffler and what does a muffler do?

/ - 4 mins read

Your internal combustion engine does many interesting things. Most noticeably, it powers your car. To do this it needs fuel and air. When it has combusted the mixture, it needs to get rid of the byproduct – exhaust gas. These exhaust gasses are passed through the exhaust valves when they open, through exhaust pipes to […]

Read more »

What’s a crankshaft and how does it work?

/ - 3 mins read

Your car’s wheels spin around, the pistons go up and down. So the question is how you take the lateral movement of your pistons and turn it horizontal to make it rotational energy? The answer is your crankshaft. It takes all the energy from the pistons and sends it to the transmission. This is super […]

Read more »

What’s a camshaft and how does it work?

/ - 4 mins read

Your car idles at about 750-900 revolutions per minute, rpm, this requires the valves to open and close 750-900 times a minute. Without the camshaft you wouldn’t have a working engine. It is what allows air into, and exhaust out of, the engine via the intake and exhaust valves. What is a camshaft? What a […]

Read more »

What happens if I put the wrong fuel in my car?

/ - 3 mins read

Your car needs a certain kind of fuel to run smoothly. If your car requires premium fuel, that usually means above 95 octane. If it needs diesel then it needs, well, diesel. What it doesn’t need is petrol when it runs on diesel. That is not an ideal situation to be in. DO NOT PUT […]

Read more »

What are radiators and what do they do?

/ - 3 mins read

Your car’s engine gets really hot. Mainly due to the thousands of explosions per minute. To cool the engine your car uses coolant, to cool the coolant, you have a radiator. Modern cars use newer and more high performance radiators for coolant to pass through the cooling system. So whether you’ve got an aluminium radiator, […]

Read more »

Why are electric vehicle prices so shockingly high?

/ - 3 mins read

I’ll confess, when electric vehicles (EVs) hit the market in 2010, I wasn’t aware of what their arrival truly meant for the future of motoring around the world.   The car in question was, of course, the Mitsubishi MiEV, which appeared in 2010.  A nifty, 4-door hatchback that promised to power you through 120 electrified kilometres.  […]

Read more »
Image of pothole in road

What’s that pothole doing to your car?

/ - 4 mins read

Asides from staring at an actual deer in headlights, potholes are probably the next (and far more common) enemy of drivers in New Zealand.  They’re no fun, plain and simple, although they do bring the benefit of giving you an idea just how much shock absorption is build into your car. It’s pretty hard to […]

Read more »

Expert’s guide to project cars, rebuilds and refurbs

- 4 mins read

Buying a project car can be an incredible opportunity, offering a rewarding way to spend your time while building up your mechanical muscle.  However, it’s best to keep a clear eye on the road ahead.   Project cars are notoriously time consuming and can lend to things going financially awry if you’re not aware of the […]

Read more »
Image of cracked windscreen needing repair

Expert’s guide to windscreen chips, cracks and repairs

- 3 mins read

We don’t always think about it, but our windscreens actually bear a fair brunt as we get ourselves around.  There’s nothing more annoying than a distracting windscreen crack or chip sitting in your critical vision area while you’re hurtling down the motorway. Windscreens are actually a key safety component in a car (it could literally […]

Read more »

How does air conditioning affect your engine?

/ - 3 mins read

With summer on the horizon, I’ve been starting to think about investing in a vehicle and hitting the open roads.  Scanning the online car listings, you soon get an idea of what’s important, and I reckon having a reliable, working air conditioning unit is key to a comfortable ride, no matter what season you’re in. […]

Read more »