How to Replace Brake Rotors on a Kia Soul

By Core Brake Parts Tech Team — Circleville, OH warehouse

Replacing brake rotors on a Kia Soul is the same job as a pad change with two additions: unbolting the caliper bracket from the knuckle, and separating the old rotor from the hub. The Soul is a small, light car with small, light rotors, which makes it one of the friendlier vehicles to learn this job on. Plan on an afternoon per axle the first time.

Here is the tool list, the full order of operations, the rear-caliper detail that catches people out on certain model years, and how to bed the new parts in so they stop the way they should.

What you need before you start

• Floor jack plus jack stands. A jack alone is not a support; never get under a car held only by a jack.
• Lug wrench, socket set, and a breaker bar. The caliper bracket bolts are torqued high and often corroded.
• C-clamp or piston compression tool for the front calipers, and a cube-style rotating tool for the rears on many years.
• Penetrating oil, a wire brush, and brake cleaner.
• High-temperature silicone caliper grease for slide pins and pad contact points.
• Anti-seize for the hub face, applied in a thin film only.
• Torque wrench, plus the service manual figures for your year. Do not guess a torque value on brake hardware.
• New pads for the axle. Rotors and pads always go on as a set, and rotors are replaced in pairs.

How to replace brake rotors on a Kia Soul: the sequence

1. With the car on the ground and the parking brake set, crack the lug nuts loose.
2. Jack the corner up and lower it onto a jack stand at a proper lift point, then shake the car to confirm it is stable.
3. Remove the wheel and slide it under the sill as a fallback.
4. Unbolt the caliper and hang it from the spring with a hook or a piece of wire. Do not let it dangle on the flexible brake hose.
5. Unbolt the caliper bracket from the knuckle. Use a six-point socket and a breaker bar so you do not round the heads.
6. Remove the old rotor. On most Souls the only things holding it are rust and a small retaining screw in the hat.
7. Wire brush the hub face back to bare metal, wipe it with brake cleaner, then add a thin film of anti-seize.
8. Clean the shipping oil off the new rotor with brake cleaner. That coating is there to stop rust in storage and it will glaze new pads if left on.
9. Fit the rotor, refit the bracket and caliper to service-manual torque, and grease the slide pins and abutment clips.
10. Put the wheel back on and torque the lug nuts in a star pattern to the manual figure.
11. Pump the brake pedal until it is hard before the car moves. The pistons are retracted and the first pumps will feel long.

Getting a stuck rotor off

A rotor that has been on a Soul through several salted winters can bond to the hub. Wet the joint between the hat and the hub with penetrating oil and leave it. Then tap your way around the hat with a hammer rather than pounding one place, which risks cracking it. Most rotors have a pair of threaded jacking holes in the hat; run bolts into them and tighten a little at a time, alternating, and the rotor pushes itself off. Never hammer the wheel studs, and never strike the friction faces.

Do not skip the hub face

Rust scale left on the hub face is the single most common cause of a pulsating pedal that shows up a few thousand miles after a rotor change. The rotor sits on that scale instead of flat metal, runs out slightly, and wears to different thicknesses around the face. Cleaning the hub takes five minutes and prevents a repeat job.

Kia Soul specifics worth knowing

The Soul rotors are light and easy to handle, so the physical side of the job is not demanding. The variable is the rear. On many Soul model years the rear caliper piston screws in against the parking brake mechanism and has to be rotated back with a cube tool, not squeezed in with a C-clamp. Pressing it will wreck the internal adjuster.

Years fitted with an electronic parking brake need the system placed in service mode before the rear caliper will retract at all, and taken back out of service mode after reassembly. Find out which arrangement your year uses before the car is on stands, because a rear caliper that will not retract stops the job cold.

Bedding in the new parts

New pads and rotors need a bed-in cycle to lay an even transfer layer of friction material on the rotor face. Use the procedure the pad manufacturer supplies, generally a run of moderate stops with cooling time between them and no hard braking straight after. Avoid holding the pedal down at a light while the brakes are still hot, because that prints an uneven deposit that later feels like a warped rotor.

DIY or shop?

Front rotors on a Soul are a fair first brake job for anyone confident with jack stands and a torque wrench. The rear is where you should be honest with yourself: a threaded piston needs the right tool, and an electronic parking brake needs the right procedure. If you have neither, the rear axle is worth paying for while you handle the front yourself.

Common questions

How long does a Kia Soul rotor replacement take?

An afternoon per axle for a first-timer working carefully with hand tools, and considerably less once you have done it before. Rusted bracket bolts and a seized rotor are the two things that stretch the clock.

Can I reuse my old pads on new rotors?

No. Old pads carry a wear profile and a deposit layer keyed to the old rotor. On a new rotor they contact unevenly and brake poorly. Fit new pads with new rotors every time.

Do rotors have to be replaced in pairs?

Yes, always by axle. Mixing a new rotor with a worn one on the same axle gives you unequal braking force and a pull to one side under hard stops.

Why do my new brakes squeak for the first week?

A little noise while the pads bed in is normal. Persistent squeal usually points to missing or dry abutment clips, dry slide pins, or shipping oil left on the rotor face. Check those three before you blame the parts.