2012-2013 Kia Soul Brake Job Guide: Symptoms, Costs and the Right Parts

By Core Brake Parts Tech Team — Circleville, OH warehouse

A full brake job on a 2012-2013 Kia Soul means new pads and, in most cases, new rotors at both axles, because this generation of Soul uses disc brakes at all four corners. The front brakes do most of the stopping and wear first; the rear discs are much thinner and usually last longer, but they are not lifetime parts. The job is well within reach of a careful DIYer with basic hand tools and a torque wrench.

How the Brakes Work on the 2012-2013 Soul

Kia lists the 2012 Soul brake system as hydraulic and vacuum power-assisted, with a 4-sensor, 4-channel anti-lock system, on every configuration. Both engines (the 1.6L rated at 138 hp and the 2.0L rated at 164 hp) and all three trims, Soul, Soul+ and Soul!, use discs front and rear. There is no rear drum brake on this car, so a "rear brake job" here is a pads-and-rotors job, not a shoes-and-drums job.

On top of the base hydraulics, Kia fitted Electronic Stability Control, Traction Control, Electronic Brake Distribution, Brake Assist and Hill-start Assist Control as standard. These systems rely on the same wheel speed sensors and hydraulic control unit as the ABS, which matters when you work on the brakes: a damaged sensor wire or tone ring can light up several warning lamps at once.

The difference between the axles is the key detail. The front rotor is a vented design, with cooling vanes between its two faces to handle heat from the heavier front braking load. The rear rotor is far thinner, which leaves little material to remove if you were hoping to resurface it. On most Souls of this age, replacing the rear rotors along with the pads makes more sense than machining them.

Symptoms That Your Soul Is Due for Brakes

• High-pitched squeal when braking. Many pads carry a small metal wear tab that contacts the rotor when the friction material gets thin. A squeal on light stops that changes when you press harder is often this tab telling you it is time.
• Grinding or growling. This usually means the friction material is gone and the steel backing plate is cutting into the rotor. Stop driving on it: the rotor is being damaged with every stop and stopping distance gets longer.
• Pulsation in the pedal or steering wheel. A shake in the steering wheel usually points to the front rotors; a pulse felt mostly through the seat or pedal can come from the rear. Uneven rotor thickness, often from pad deposits or overheating, is the usual cause.
• Pulling to one side. A sticking caliper slide pin or a seized piston makes the car pull and wears that side's pads much faster. Check the inner pad on each side, not just the outer one you can see through the wheel.
• Soft or low pedal. This is a fluid or hydraulic problem, not a pad problem. Check the reservoir level and look for wet spots at each wheel and along the brake lines.
• ABS or brake warning light. A low fluid level can trigger the brake light as pads wear. An ABS light usually points to a wheel speed sensor, its wiring or the hydraulic control unit (see the recall section below).

Front vs Rear Brake Job on This Car

Front axle

The front brakes carry most of the braking load, so this is the axle you will service most often. The standard front job is new pads, new or resurfaced rotors, cleaned and lubricated caliper slide pins, and new abutment clips (the stainless hardware the pad ears slide in). The vented front rotor can sometimes be resurfaced once if it stays above the minimum thickness stamped on the rotor, but new rotors are usually the better value on a car this age. Shop brake pads and brake rotors for the Soul.

Rear axle

The rear pads wear more slowly because Electronic Brake Distribution sends less pressure to the rear on normal stops. That does not mean they never need attention. Thin rear rotors rust quickly, especially on cars that sit or live in road-salt states, and a rusted rotor face shortens pad life and causes noise. Rear caliper pistons on many cars must be rotated back with a caliper tool rather than pushed; check the service information for your Soul before forcing the piston. After any rear brake work, confirm the parking brake holds properly on a slope before you call the job finished.

What to Replace Together

• Pads and rotors as a set, per axle. New pads on worn or grooved rotors bed in poorly and are prone to noise and vibration. A matched kit is the simplest route; see our brake parts for front and rear kits.
• Both sides of an axle. Always replace pads and rotors in pairs across an axle so the car brakes evenly.
• Hardware. Abutment clips and slide pin boots are inexpensive and are a common source of squeaks and uneven wear when reused. A brake hardware kit covers them.
• Calipers, only if needed. If a piston will not retract, a boot is torn, or one side's pads wore far faster than the other, replace that caliper. Loaded or remanufactured brake calipers are the usual fix.
• Brake fluid. Brake fluid absorbs moisture over time, so a brake job on a car this age is a good moment to flush it. Use only the fluid type printed on the reservoir cap or in your owner's manual, never mix types, and keep the level between the MIN and MAX marks.

Ceramic pads are a popular choice for a daily-driven Soul because they run quietly and leave less visible wheel dust; browse ceramic brake pads if that suits how you drive.

What Drives the Cost of a Soul Brake Job

We will not quote a dollar figure, because the real number depends on a handful of choices:

• Pads only vs pads and rotors. Adding rotors raises the parts cost but usually cures noise and pulsation that pads alone will not.
• One axle vs both. Doing only the front costs much less than a four-wheel job, and the fronts usually come due well before the rears.
• Parts grade. Economy, OE-equivalent and premium coated rotors and ceramic pads cover a wide range.
• Labor. Shop labor is often the largest part of the bill. Doing it yourself removes that cost entirely.
• Extras. A seized caliper, a fluid flush or a rusted bleeder screw adds parts and time.

How Hard Is the Job?

If you have changed a tire and used a torque wrench, a front pad-and-rotor job on the Soul is a moderate DIY project. You will need a jack and jack stands, a socket set, a C-clamp or caliper piston tool (a rear piston tool may be needed for the back), brake cleaner, high-temperature brake lubricant and a torque wrench. Torque the caliper bracket bolts, guide pins and lug nuts to the values in the factory service manual; do not guess, and do not use an impact gun on the lug nuts. Pump the pedal several times before moving the car so the pistons contact the new pads, then bed in the pads with a series of moderate stops as the pad maker directs.

Check the ABS Recall First

Before any brake work, run your VIN through the NHTSA recall lookup. The 2013 Soul is covered by NHTSA campaign 23V652000: the anti-lock brake Hydraulic Electronic Control Unit (HECU) may develop an electrical short that can cause an engine compartment fire, whether the car is parked or being driven. The remedy is a dealer-installed HECU fuse replacement at no charge, and owners were advised to park outside until the repair is done. Recall coverage can extend to other Soul model years, so check your specific VIN even if you own a 2012. The recall does not involve pads or rotors, but it is a free safety repair and should come first.

Frequently Asked Questions

Does the 2012-2013 Kia Soul have rear drum brakes?

No. Kia specifies disc brakes front and rear with 4-channel ABS on the 2012 Soul, so a rear brake job means rear pads and rotors.

Which brakes wear out first on a Kia Soul?

The fronts. They do most of the stopping and usually need pads well before the rears, though rear rotors can rust out early on cars driven in salt states.

Can I resurface the rear rotors on my Soul?

Usually it is not worth it. The rear rotor is much thinner than the vented front, so there is very little material to remove before it drops below the minimum thickness stamped on it. New rotors are the normal choice.

What brake fluid does a 2012 Kia Soul use?

Use the fluid type printed on the master cylinder reservoir cap and in your owner's manual. Do not mix fluid types, and flush old fluid when you do a full brake job on a car this age.

Is the Soul ABS recall related to worn brakes?

No. Campaign 23V652000 covers an electrical short risk in the ABS hydraulic control unit that can cause a fire. Dealers replace the HECU fuse free of charge. It has nothing to do with pad or rotor wear, but check your VIN before service.

Do the 1.6L and 2.0L Souls use different brakes?

Both engines use four-wheel disc brakes with the same basic system design. Always confirm fitment by year, engine and trim before ordering, because parts catalogs can split by trim or wheel size.

Sources

1. Kia Media - 2012 Soul specifications - hydraulic vacuum-assisted brakes, 4-sensor 4-channel ABS, engine outputs
2. Kia Media - 2012 Soul overview - standard ESC, TCS, EBD, Brake Assist, Hill-start Assist; Soul, Soul+ and Soul! trims
3. Velocity Journal - 2012 Kia Soul specifications - front vented disc and rear disc brake types
4. CarsDirect - 2012 Kia Soul specs - 4-wheel disc brakes standard
5. Center for Auto Safety - 2013 Kia Soul recalls - NHTSA campaign 23V652000, HECU short and fire risk, fuse replacement remedy