#tyres
14 posts in Car Diagnostics blog about "tyres" — OBD-II diagnostics, DTC codes, repair. ← All posts
-
ABS light after a wheel change: what you disturbed
The lamp appeared right after the tyre fitter finished. That timing is not a coincidence, and the cause is usually something knocked rather than something failed.
-
Leaving a car for a month or more: preparation and checks on return
A month standing harms a car differently from a month driving. Preparing for storage and what to check on return.
-
Run-flats: what you pay for and what you pay with
A tyre that drives flat sounds like a solution with no downside. What it actually costs in comfort and money.
-
Suspension bushes: the rubber that decides geometry and tyre wear
A bush wears quietly and tyres pay for it. The signs, how to check, and why an alignment is mandatory after replacement.
-
Puncture repair: plug, patch, or mushroom — which is most reliable
Not every puncture is repairable, and not every repair is equally reliable. The methods, the repairable zone, and what cannot be fixed.
-
Balancing or alignment: two different symptoms people confuse
Vibration at speed and uneven tyre wear are different problems with different fixes. How to tell them apart.
-
Spare wheel, space saver, or sealant: what actually helps at a puncture
Manufacturers delete spare wheels for weight and space. What each option gives you and why sealant sometimes makes things worse.
-
Loading a car: staying within limits and avoiding a missile in the cabin
An overloaded car brakes longer and steers worse. Permitted weights, securing the load, and what changes in the way it drives.
-
Dampers: how to tell they are dead without a ramp
A damper wears so gradually that the driver adapts alongside it. The signs, the honest tests, and why this is a braking distance question, not a comfort one.
-
Tyre wear: how to read the tread and what it says about the car
A tread wear pattern is free suspension and pressure diagnostics. Five typical patterns and what to do about each.
-
The car pulls to one side: finding the cause in three checks
Pulling is not always alignment. Three roadside checks that separate tyres, brakes, and geometry from each other.
-
Winter tyres: when to switch and why temperature matters more than snow
The trigger is not the first snow but a steady 7 °C. Why summer rubber hardens, how ageing destroys grip, and what the electronics can and cannot do.
-
A hum at speed: bearing, tyres, or driveshaft — how to tell them apart
A hum that rises with speed comes from three different components. How to separate them on the road without a ramp, and why ABS sometimes finds it before your ear does.
-
Different wheels and tyres: what it "breaks" in the electronics
Different-sized tyres change more than the look. The speedometer starts lying, ABS calculates the wrong speed, and driver assistance systems get a shifted picture of the world.