1999 Kia Sephia Service Brakes, Hydraulic:foundation Components:disc Problems

NHTSA component category: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC · data through 07/14/2026

63Service Brakes, Hydraulic:foundation Components:disc complaints

14.7%Of all 428 complaints

#2Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How service brakes, hydraulic:foundation components:disc ranks on this vehicle

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE67 · 15.7%

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC63 · 14.7%

POWER TRAIN:AUTOMATIC TRANSMISSION51 · 11.9%

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP38 · 8.9%

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS37 · 8.6%

Share of the 428 complaints citing each category; one complaint can cite several. Full breakdown on the 1999 Kia Sephia overview page.

What owners report

“SINCE I PURCHASE THE CAR IT HAS BEEN IN THE SHOP FIVE TIMES ONE FOR REPLACEMENT OF TRANSMISSION AND THE OTHER FOUR FOR THE BRAKES…”NHTSA complaint 719972 — filed 03/11/2000

“WHEN TRYING TO STOP THE VEHICLE THERE IS A HORRIBLE VIBRATION. IT IS VERY HARD TO CONTROL AND STOP THE VEHICLE WHILE BRAKING. OUR GAS…”NHTSA complaint 717753 — filed 01/23/2000

“VEHICLE EXPERIENCING PROBLEM WITH VIBRATION WHILE TRAVELING AT HWY SPEED OF 55 MPH OR MORE. ALSO, TWO ROTORS AND PADS WAS REPLACED WIHIN 1800 MILE…”NHTSA complaint 855281 — filed 01/20/2000

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Service Brakes, Hydraulic:foundation Components:disc complaints by year filed

Frequently asked questions

Does the 1999 Kia Sephia have service brakes, hydraulic:foundation components:disc problems?

Service Brakes, Hydraulic:foundation Components:disc is the #2 most-reported problem area on the 1999 Kia Sephia: 63 of 428 complaints on file (14.7%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 1999 Kia Sephia have in total?

428 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 50 involved a crash, 42 involved a fire, 37 reported injuries, and none reported deaths.

What does NHTSA's service brakes, hydraulic:foundation components:disc category include?

NHTSA assigns each complaint to standard component categories; this page reports the SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC category exactly as NHTSA defines and records it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/14/2026.