1999 Kia Sephia Service Brakes, Hydraulic:foundation Components Problems

NHTSA component category: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS · data through 07/12/2026

37Service Brakes, Hydraulic:foundation Components complaints

8.6%Of all 428 complaints

#5Most-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 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

“WHEN THE BRAKES WERE APPLIED PEDAL WENT TO THE FLOOR, RESULTING IN EXTENDED STOPPING DISTANCE AND LOSS OF CONTROL VEHICLE IS AT DEALERSHIP.”NHTSA complaint 856756 — filed 02/11/2000

“POSSIBLE DEFECT IN BRAKE SYSTEM CAUSING CONTINUED VIBRATION,PADS AND ROTORS REPLACED DUE TO VIBRATION. YH (ATTORNEY FOR CONSUMER)”NHTSA complaint 550860 — filed 02/09/2000

“HERE'S A REALLY BAD RUBBING SOUND. CONSUMER FEELS AS THOUGH BRAKES MAY LOCK UP. TOOK TO DEALER , AND DEALER SAID CONSUMER WOULD HAVE TO…”NHTSA complaint 854905 — filed 01/12/2000

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

Service Brakes, Hydraulic:foundation Components complaints by year filed

Frequently asked questions

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

Service Brakes, Hydraulic:foundation Components is the #5 most-reported problem area on the 1999 Kia Sephia: 37 of 428 complaints on file (8.6%). 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 07/12/2026. 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 category include?

NHTSA assigns each complaint to standard component categories; this page reports the SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS 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 07/12/2026.