2001 Mitsubishi Montero Service Brakes, Hydraulic:power Assist:vacuum Problems

NHTSA component category: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM · data through 07/14/2026

25Service Brakes, Hydraulic:power Assist:vacuum complaints

15.1%Of all 166 complaints

#1Most-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:power assist:vacuum ranks on this vehicle

SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM25 · 15.1%

SERVICE BRAKES, HYDRAULIC23 · 13.9%

SERVICE BRAKES17 · 10.2%

ELECTRICAL SYSTEM13 · 7.8%

ELECTRICAL SYSTEM:HORN10 · 6%

Share of the 166 complaints citing each category; one complaint can cite several. Full breakdown on the 2001 Mitsubishi Montero overview page.

What owners report

“THE CONTACT OWNS A 2001 MITSUBISHI MONTERO XLS. WHILE THE CONTACT WAS DRIVING, THE BRAKES FAILED TO RESPOND. ALL OF SUDDEN, ABS AND BRAKE LIGHTS…”NHTSA complaint 10345154 — filed 07/25/2010

“THE CONTACT OWNS A 2001 MITSUBISHI MONTERO WITH 130000 MILES. THE CONTACT STATED THAT RECALL 01V254001 IS NOT AN ADEQUATE FIX FOR THE FAILURE. WHILE…”NHTSA complaint 10292036 — filed 11/13/2009

“I OWN A 2001 MITSUBISHI MONTERO LTD. APPROX 2 WEEKS AGO NOTICED RANDOM, INTERMITTENT CHIRPING NOISE. CAN ALSO FEEL VIBRATION IN BRAKE PEDAL WHEN CHIRPING…”NHTSA complaint 10275102 — filed 06/27/2009

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

Service Brakes, Hydraulic:power Assist:vacuum complaints by year filed

Frequently asked questions

Does the 2001 Mitsubishi Montero have service brakes, hydraulic:power assist:vacuum problems?

Service Brakes, Hydraulic:power Assist:vacuum is the most-reported problem area on the 2001 Mitsubishi Montero: 25 of 166 complaints on file (15.1%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2001 Mitsubishi Montero have in total?

166 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 15 involved a crash, 2 involved a fire, 14 reported injuries, and none reported deaths.

What does NHTSA's service brakes, hydraulic:power assist:vacuum category include?

NHTSA assigns each complaint to standard component categories; this page reports the SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM 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.