Received inspection letter dated 8/19/22 from Kia to inspect/replace if necessary brake line. First available appointment was 9/27/22. Inspection revealed a severely rotted brake line and invoice notation that vehicle is unsafe to drive. I contacted 3 other Kia dealerships and was given the familiar response that the parts are on back order with not estimate time for arrival. I contacted Kia…
2015 Kia Forte brakes problems
moderate 10 complaints filed with NHTSA · avg repair $450 · see brakes across all vehicles →
Complaints
10
Recalls
0
Avg fix
$450
What stands out
No new NHTSA brakes complaint has been filed on this vehicle in over 3 years — the issue may be aging out of the active population.
The failure pattern owners describe
Buyer takeaway: The 2015 Kia Forte shows a pattern of brake system failures ranging from recalled brake line corrosion that leaves owners stranded with parts on back-order for months, to loss-of-pressure failures during normal driving that create immediate collision risk. Brake pad and caliper issues appear common as well.
Ten complaints describe brake failures spanning corrosion, pressure loss, and component wear. The most widespread issue is brake line corrosion identified in a Kia recall. Multiple owners received inspection letters (dated 8/19/22 and 12/8/22) directing them to dealerships where severe rust and pitting were documented. Dealers confirmed replacement was needed and safety-critical, but parts remained on back-order for months with no arrival timeline. Owners report contacting Kia customer service and multiple dealerships with no resolution—one customer waited nearly two months post-inspection, another couldn't reach anyone after hour-long holds. One owner reports Kia suggested third-party repair with reimbursement, but shops couldn't source parts either.
Separately, three owners describe complete brake failure during operation: pedals going to the floor with zero stopping power at a four-way stop, during low-speed braking, and on an incline. One involved a piston blowout and fluid loss; another required brake line replacement that didn't resolve the issue.
One complaint describes both front calipers frozen/seized, producing noise and causing excessive wear to wheel bearing, pads, and rear brakes as the vehicle over-compensated. Another owner found rear brakes worn to the rotor at 40,400 miles on a certified Kia.
Same Kia Forte brakes reports on nearby years: 2012 · 2013 · 2014
Failure modes owners describe
Brake line corrosion and rupture
Brake lines develop rust/corrosion leading to leaks and complete brake fluid loss during operation, rendering brakes inoperative.
When: Multiple mileages cited; one at ~56,334 miles. Recall inspection letters dated 8/19/22 and 12/8/22 identified severely rotted lines.
Symptoms owners cite: Brake pedal unresponsive despite depression; Brake light illumination; Complete loss of braking power; Brake fluid leaking from corroded brake lines; Vehicle unsafe to drive per dealership notation
Repairs/costs cited: Brake line replacement required. Parts persistently on back order from manufacturer as of complaint dates (late 2022). Owners report waiting 2+ months with no ETA. Third-party repair not readily available; Kia suggested reimbursement route but owners unable to execute.
Recalls/TSBs owners mention: Kia issued voluntary recall to inspect/repair brake line corrosion. Owners report recall letter stated repair would be made at no charge. However, parts have been on back order for extended periods with no resolution. One owner reports Kia claimed responsibility would shift to owner if failure occurs during parts delay.
Brake pedal loss of pressure (spongy/goes to floor)
Brake pedal loses pressure and travels to the floor with minimal or no braking response, presenting imminent collision hazard.
When: Occurred during normal braking operations; one incident at 5 MPH, another at four-way stop, another on incline.
Symptoms owners cite: Brake pedal depressed but no stopping power; Brake pedal travels fully to floor; Loss of all braking on inclines or bumpy pavement; Loss of braking during low-speed maneuvers
Repairs/costs cited: One owner reported vehicle taken to dealer, brake lines replaced, but failure persisted post-repair. One incident involved piston blowout with fluid leakage.
Frozen/broken front brake calipers
Front calipers seize or break, producing strange noise and causing uneven braking that leads to cascading wear on other brake components.
When: Issue identified after owner brought vehicle to dealer 3 times over span of one year for noise complaint.
Symptoms owners cite: Strange sound while vehicle in motion; Frozen/broken front calipers; Excessive wear on brake pads, wheel bearing, and rear brakes as vehicle compensates
Repairs/costs cited: Both front calipers replaced. However, by time issue was diagnosed, front left wheel bearing, front brake pads, and rear brakes had already been replaced as customer and shop over-compensated for the undiagnosed caliper failure.
Premature brake pad and rotor wear
Brake pads and rotors wear excessively early in vehicle life, with rear brakes worn into the rotors and front brakes beginning same wear pattern.
When: Identified at 40,400 miles on a certified used 2015 Forte that had 32,500 miles at purchase.
Symptoms owners cite: Rear brake pads worn completely into rotors; Front brake pads beginning to wear into rotors
Repairs/costs cited: Rear brakes required replacement; front brakes anticipated to need replacement soon. Owner questions condition of brake pads at time of Kia certification.
Synthesized from 10 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
Had brakes trouble with your 2015 Kia Forte?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the brakes problem on the 2015 Kia Forte?
It's a documented issue but not catastrophic. 10 complaints have been filed. Repairs average $450 and most owners catch it before it causes a breakdown.
At what mileage does the brakes typically fail?
Based on the 10 complaints filed, brakes issues most often appear around 48,367 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $450 for brakes repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to brakes?
No active recalls currently cover brakes issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2015/Kia/Forte.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.