Winter Is Coming: 5 Things to Check on Your Car Before June
What you'll learn
- How to spot a battery that's about to fail (and what a Cape Town replacement actually costs)
- The R5-coin tyre tread test — and why the SA legal minimum isn't enough for winter
- When to replace your wiper blades and the windscreen mistake most drivers make
- Brake warning signs you must not ignore on wet roads
- Why "antifreeze" matters in Cape Town even though we don't freeze
Full transcript
This transcript is provided for accessibility and reference. Edited lightly for readability — the audio is the canonical version.
Welcome to the Home Drive Mechanics podcast — 5 Minutes Under the Bonnet. Your weekly car-care guide from the mobile mechanic that comes to you anywhere in the Western Cape. I'm your host. Five minutes, five tips, no fluff. Let's get into it.
It's mid-May. The Cape Doctor is slowing down, the rain is coming, and your car is about to face the toughest three months of the South African year. Cold mornings in Bellville. Wet roads from Sea Point to Stellenbosch. Boland mountain passes that get genuinely dangerous in winter rain. If something on your car is borderline now, it's going to fail in winter. So here are the five things to check this weekend — before the first proper cold snap.
1. Your battery
Cold mornings kill weak batteries. If your car has taken any longer than usual to start over the last two weeks, that's your warning. A car battery in Cape Town typically lasts three to four years. If yours is older than that, get it tested. Most weak batteries don't give you a second warning — they just don't start one Monday morning when you're already late for work.
A test is free with us, takes five minutes. Replacement, around R1,500 to R2,400 depending on your car. Don't wait until you're stuck.
2. Your tyres
In dry summer, worn tyres are an annoyance. In wet winter, they're life-threatening. South African law requires a minimum tread of 1 mm, but honestly — at 1 mm, you've already lost most of your wet-weather grip. Use the R5-coin test. Slot a five-rand coin into your tread. If the gold edge disappears, you're fine. If you can still see it clearly, get new tyres before winter.
And check tyre pressure now — cold weather drops your pressure by about 2 PSI overnight, so what felt right last week might already be under-inflated.
3. Wiper blades
Cape winter rain is no joke, especially if you're driving the N1 to Paarl or the M3 to Muizenberg. If your wipers smear, judder, or leave streaks across the windscreen, replace them. A decent set is R200 to R400. Old wipers don't just look bad — they hide hazards from you in heavy rain.
While you're at it, clean your windscreen inside and out. Foggy windscreens cause more winter accidents than people think.
4. Brakes
If you've heard any squealing, grinding, or felt your brake pedal go soft over the last month, that's your car asking for help. Wet roads need shorter braking distances, and worn pads on a wet road can double your stopping distance.
We do mobile brake fitting from R450 labour — pads or full disc replacement, done in your driveway. No tow, no workshop visit. Get the issue checked before winter, not during.
5. Coolant
Cape Town doesn't get cold enough to freeze your engine, but old coolant loses its corrosion protection over time, and that quietly destroys radiators and water pumps. If your coolant is older than 3 years, or it's brown, rusty, or sludgy when you check the reservoir, it's overdue for a flush. Costs a fraction of the radiator replacement it prevents.
Wrapping up
That's five. Battery, tyres, wipers, brakes, coolant. Take 15 minutes this weekend and check all of them. If any flag a problem, we come to you. Home Drive Mechanics — mobile car maintenance from Blouberg to Stellenbosch, 1 to 2 hour arrival in our Zone 1 areas.
WhatsApp us on 071 250 4839, or visit homedrivemechanics.co.za and use our instant estimator to see what each job costs before you book.
Next Monday, episode two: that squealing brake noise — what it actually means, and when to worry. Hit follow so you don't miss it.
Need a check before winter hits?
Mobile mechanic. We come to you. From Blouberg to Stellenbosch — 1–2 hour arrival in Zone 1 areas.