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The Maintenance Jobs You Should Never Skip on a New Car

22 August 2026 · 4 min read · Engine Oil & Filters

A new car forgives a lot, but not everything. These are the handful of maintenance jobs that decide whether a car is still tight and trouble-free at the end of its plan or quietly wearing out from the inside, with South African conditions firmly in mind.

There is a comfortable myth that a car under a service plan needs nothing from its owner beyond turning up at the dealer when the reminder appears. The dealer does the important work, that is true, but the intervals between services are long, and what happens on the road in those months decides how much wear the technician finds at the next visit. The owner's part is small, cheap and mostly a matter of attention.

This is not a list of everything in the service book. It is the short list of jobs that, if neglected, cause damage a later repair cannot fully undo, or that put the manufacturer's warranty at risk. None of them take long.

Oil and filter changes on time, every time

Engine oil is the one job that outranks all others. Oil lubricates, cools, cleans and protects, and it degrades with both distance and age. An engine run past its interval on tired oil wears bearings, cam lobes and turbocharger shafts in ways that never show up until far later, when the repair costs more than years of servicing would have. Because the interval is set in kilometres and months, low-mileage drivers must still service on time.

Between services, check the level monthly and before every long trip, and top up with the grade in your service book. A car that needs regular topping up should be looked at, not tolerated.

Filters, especially on dusty roads

The air filter protects the engine from the fine dust that South African gravel roads and dry-season winds produce in abundance. A clogged filter costs fuel and power, and a torn one lets grit straight into the cylinders. The cabin filter keeps that same dust out of the ventilation system and off your lungs. Both are replaced at scheduled services, but a car that lives on farm roads or in a mining town can block them well before the interval. Ask the technician to check them if your driving is dusty, and expect to replace them more often than the book suggests.

Tyre pressures and a monthly walk-around

Nothing on the car is easier to neglect or cheaper to check. Under-inflated tyres wear on the edges, overheat on long highway runs and hurt fuel consumption; over-inflated tyres wear in the centre and lose grip. Use the pressures on the door placard, check when the tyres are cold, and do it monthly and before any long trip. While you are there, look for bulges, sidewall cracks and uneven wear, all of which point to a problem worth fixing early rather than a tyre worth replacing late.

  • Pressures monthly and before long trips, tyres cold
  • Look for bulges and sidewall damage after any pothole strike
  • Uneven wear means an alignment check, not just new tyres
  • Rotate at the interval in the service book so all four wear evenly

Coolant, brake fluid and the things that boil or absorb water

Coolant does more than stop the engine overheating in January; it also prevents corrosion inside the engine and freezing in a Highveld winter. Check the level in the reservoir when the engine is cold, and never top up with plain water except in an emergency, because it dilutes the corrosion inhibitors. Brake fluid absorbs moisture over time, which lowers its boiling point and can produce a soft pedal on a long descent. It is replaced at set intervals in the service schedule, and that is one item never to defer.

Wiper blades and washer fluid belong on the same list for a different reason. They are cheap, they are wear items outside the service plan, and a summer thunderstorm on the N3 with smeared glass is not the moment to discover they have perished.

Listen, report early, keep the paperwork

The last job is a habit rather than a task. Report new noises, warning lights and changes in behaviour to the dealer promptly, because early reporting both fixes the problem cheaply and protects your warranty position by creating a record. Keep every invoice and job card in one place. A complete service history is what keeps the manufacturer's warranty valid, and it is also what makes the car worth more when the time comes to trade it in.

Every new car delivered through Car4Less arrives with its full manufacturer warranty and service plan through the national franchise dealer network. The plan pays for the servicing; these few habits are what make sure the servicing has something worth protecting.

Questions about this article

Do I really need the time-based service if I hardly drive?

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Yes. Oil oxidises and absorbs moisture as it ages regardless of distance, and rubber components perish with time. Manufacturers set the time limit for that reason, and skipping it can affect warranty cover on the engine. A low-mileage car often needs the service more, not less, because short trips never get the oil fully hot.

Can I do basic maintenance myself without affecting the warranty?

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Checking and topping up fluids, tyre pressures, wiper blades and bulbs are all owner tasks that do not affect the warranty. Actual servicing, oil changes and anything involving covered components should be done at an approved workshop with the correct parts and recorded in the service history.

How often should I check the oil level on a new car?

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Once a month and before any long trip is a sensible routine. Many new cars show the level on the dashboard, but a manual dipstick check on a level surface with the engine cold and switched off for a few minutes is still the most reliable method on cars that have one.

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