http://www.speedwell.nz/blog/ The latest Blog feeds from www.speedwell.nz en-us Thu, 13 Aug 2026 02:35:09 +1200 Rocketspark http://www.speedwell.nz/blog/post/168622/air-conditioning-not-cold-common-causes-on-bmw-audi-and-mercedes/ First hot day of the year, you jump in the car outside your place in Chartwell or on the way in from Rototuna, crank the air con up, and get nothing but lukewarm air or a weak trickle from the vents. It's one of those problems that seems to show up overnight but is usually the result of something that's been building for months.On BMW, Audi, and Mercedes especially, air con systems are more complex than most, with electronically controlled compressors and climate control units that don't always ... Tue, 11 Aug 2026 13:32:00 +1200 http://www.speedwell.nz/blog/#post168622 http://www.speedwell.nz/blog/post/168323/grinding-knocking-or-squealing-a-quick-guide-to-common-car-noises/ A grinding noise when braking almost always means the brake pads have worn down past their friction material and metal is now contacting metal, which also means the discs are likely being damaged in the process. A grinding sound when changing gears in a manual points to clutch or gearbox wear, and it's worth getting looked at before it turns into a bigger repair. Either way, grinding is one of the noises worth acting on quickly rather than waiting.A knocking noise from the engine, especially one... Wed, 05 Aug 2026 15:26:16 +1200 http://www.speedwell.nz/blog/#post168323 http://www.speedwell.nz/blog/post/168320/wof-failed-the-most-common-reasons-cars-fail-their-wof-in-hamilton/ Tyres are one of the most common reasons cars fail a WOF in Hamilton, and it's usually not because people don't know their tyres are worn, it's because tread depth creeps up on you gradually until it's suddenly below the legal minimum. Cracked or perished tyres, incorrect sizes, and a missing or damaged spare (where one is fitted) all catch people out too. It's an easy one to avoid by checking tread depth every few months rather than waiting for the WOF to tell you.Lights are another regular fai... Wed, 05 Aug 2026 15:19:35 +1200 http://www.speedwell.nz/blog/#post168320 http://www.speedwell.nz/blog/post/168318/how-often-should-you-service-your-car-in-new-zealand-a-simple-guide/ Most modern cars in New Zealand are fine on a service every 10,000 to 15,000km, or once a year, whichever comes first, but the exact interval depends on the car, how it's driven, and what the manufacturer actually recommends. European makes like BMW, Audi, and VW often have shorter or condition-based intervals in practice, and tend to be less forgiving if you push past them, since the engines and electronics are more sensitive to worn oil and neglected components.The other big factor is how the ... Wed, 05 Aug 2026 15:13:54 +1200 http://www.speedwell.nz/blog/#post168318 http://www.speedwell.nz/blog/post/168317/dashboard-warning-lights-explained-electrical-vs-engine-vs-just-a-reminder/ Modern cars pack a lot of warning lights onto the dash, and it's not always obvious which ones mean pull over now and which ones mean book a service when you get a chance. Here's a rough guide to what the common ones actually mean, grouped by how urgent they are.Red lights mean stop as soon as it's safe to. The oil pressure light (an oil can symbol) means the engine could be seconds away from serious damage if you keep driving, so pull over immediately and don't restart until it's checked. The t... Wed, 05 Aug 2026 15:06:38 +1200 http://www.speedwell.nz/blog/#post168317 http://www.speedwell.nz/blog/post/168316/how-much-does-a-pre-purchase-inspection-cost-in-hamilton/ If you've been quoting pre-purchase inspections around Hamilton, you'll have noticed the prices vary more than you'd expect for what sounds like the same service. Some of that comes down to what's actually included, and it's worth understanding before you pick based on price alone, because the cheapest option isn't always the cheapest option once you factor in what it misses.At the lower end, some inspections are really just a visual check and a test drive, done in a driveway or car park without... Wed, 05 Aug 2026 15:03:33 +1200 http://www.speedwell.nz/blog/#post168316 http://www.speedwell.nz/blog/post/168315/slipping-gears-or-rough-shifting-what-it-means-for-your-automatic-transmission/ Pulling away from a stop on Ulster Street or accelerating onto the expressway and your automatic feels like it hesitates, slips, or shifts harder than it should? Transmission problems are one of those things Hamilton drivers tend to put off getting looked at, because the car still moves and the fix feels like it'll be expensive. Sometimes it is a big job, but plenty of the time it's something straightforward if it's caught early, which is exactly why the early symptoms are worth paying attention... Wed, 05 Aug 2026 15:00:01 +1200 http://www.speedwell.nz/blog/#post168315 http://www.speedwell.nz/blog/post/168314/buying-a-used-car-in-hamilton-what-a-pre-purchase-inspection-actually-checks/ If you're about to hand over money for a used car in Hamilton, whether it's from a dealer on Te Rapa Road or a private seller you found on Trade Me, a pre-purchase inspection is the cheapest insurance you'll ever buy. For a couple of hundred dollars, you find out whether the car is genuinely sound or whether it's about to cost you thousands in repairs a month after you drive it away. Here's what actually happens during one.A proper inspection starts with a full underbody check on a hoist, not a ... Wed, 05 Aug 2026 14:56:02 +1200 http://www.speedwell.nz/blog/#post168314 http://www.speedwell.nz/blog/post/168313/why-pops-and-bangs-are-bad-for-your-engine/ That crackle-and-bang exhaust note on overrun is one of the most requested tunes we get asked about. It sounds great, and we get why people want it. But before you ask for it on your car, it's worth understanding what's actually happening every time it fires off, and what it's costing your engine in the background.What's actually causing the noiseA "pops and bangs" or "burble" tune works by deliberately sending extra unburned fuel into the exhaust when you lift off the throttle. The ECU is remap... Wed, 05 Aug 2026 14:48:43 +1200 http://www.speedwell.nz/blog/#post168313 http://www.speedwell.nz/blog/post/168312/car-wont-start-battery-alternator-or-starter-how-to-tell-the-difference/ Nothing's more frustrating than turning the key on your way out the door in Hamilton and getting nothing back, or a slow crank that just won't catch. Whether you're parked outside your place in Chartwell, in the work carpark on Anglesea Street, or at the New World in Rototuna, a car that won't start usually comes down to one of three things: the battery, the alternator, or the starter motor. They're easy to mix up because the symptom looks the same from the driver's seat, but the fix (and the co... Wed, 05 Aug 2026 14:45:27 +1200 http://www.speedwell.nz/blog/#post168312