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Noisy brakes on Suzuki Swift, why?

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Bought a 2020 very low mileage (22,000) Swift a couple of months back, and noticed the brakes were noisy, but only at low speed.

Had the car checked at B Quick and they said the rotors were a bit rusty because the car had sat unused for about a year, but the pads had plenty of meat left. They gave the rotors and the drums a good clean but the noise still persists.

Do I need to replace the pads because I can't see any other way to fix the noise, or someone recommend a brake specialist who can diagnose the problem.

Have you done any really hard stops?

Give it a good run up to 100kph and break down to 50kph, do that a few times and see if it fixes itself, do it on a clear bit of road with time in-between for the brakes to cool down.

Better explanation here: https://brakeexperts.com/how-to-break-in-new-brakes-a-step-by-step-guide/

  • Author
1 minute ago, VocalNeal said:

Have you done any really hard stops?

Yes, took it initially to a local mechanic and he did a few hard stops from 60 and 80 klm. The brakes performed faultlessly with no noise. At low speed around our village the brakes make more of a groan than a squeal, it's annoying.

Sticky caliper or dragging shoe due to moisture getting into the brake fluid and corroding wheel cylinder while the car sat unused?

4 minutes ago, giddyup said:

Yes, took it initially to a local mechanic and he did a few hard stops from 60 and 80 klm. The brakes performed faultlessly with no noise. At low speed around our village the brakes make more of a groan than a squeal, it's annoying.

I would guesstimate that the mechanic who cleaned the discs put the pads in opposite to the way they came out, easily done, so basically you have new pads mating to the discs, give it a few miles and I think it will go away.

  • Author
6 minutes ago, Etaoin Shrdlu said:

Sticky caliper or dragging shoe due to moisture getting into the brake fluid and corroding wheel cylinder while the car sat unused?

I guess anything is possible, that's why I'd like to take it to a specialist to have it checked.

If cheap Thai brake pads have been used they can glaze over due to the slide pins, which dry out every 1–2 years in Thai heat.

Dry pins = pads don’t retract → they skim the rotor → squeal + glazing.

Sand the pads and grease the pins with proper high‑temp silicone brake grease, this stops the glazing from returning.

21 minutes ago, MIke B Bad said:

If cheap Thai brake pads have been used they can glaze over due to the slide pins, which dry out every 1–2 years in Thai heat.

Dry pins = pads don’t retract → they skim the rotor → squeal + glazing.

Sand the pads and grease the pins with proper high‑temp silicone brake grease, this stops the glazing from returning.

This. Sounds like you need a good thorough cleaning and lube. Caliper pins would be my guess.

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