2000 Pontiac Montana Engine And Engine Cooling Problems
NHTSA component category: ENGINE AND ENGINE COOLING · data through 07/12/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How engine and engine cooling ranks on this vehicle
Share of the 228 complaints citing each category; one complaint can cite several. Full breakdown on the 2000 Pontiac Montana overview page.
What owners report
“GAS GAUGE FLUCTUATED AND ANTIFREEZE LEAKING. DIAGNOSED AS LEAKING INTAKE MANIFOLD GASKET AND WIRING HARNESS FOR FUEL ASSEMBLY WAS CORRODED DUE TO EXPOSURE TO MOISTURE…”NHTSA complaint 10058352 — filed 02/17/2004
“CONSUMER COMPLAINED ABOUT VEHICLE CUTTING OFF. TOOK VEHICLE TO A MECHANIC, AND MECHANIC STATED WATER WAS GETTING INTO THE OIL.”NHTSA complaint 10050568 — filed 12/15/2003
“LOWER MANIFOLD AND WATER PUMP ARE BOTH LEAKING ON VEHICLE. THE WATER PUMP AND THE MANIFOLD GASKETS NEEDED TO BE REPLACED. THE FIRST MAJOR FAILURE…”NHTSA complaint 10044012 — filed 10/12/2003
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Engine And Engine Cooling complaints by year filed
Frequently asked questions
Does the 2000 Pontiac Montana have engine and engine cooling problems?
Engine And Engine Cooling is the #2 most-reported problem area on the 2000 Pontiac Montana: 20 of 228 complaints on file (8.8%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2000 Pontiac Montana have in total?
228 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 14 involved a crash, 4 involved a fire, 26 reported injuries, and 2 reported deaths.
What does NHTSA's engine and engine cooling category include?
NHTSA assigns each complaint to standard component categories; this page reports the ENGINE AND ENGINE COOLING category exactly as NHTSA defines and records it.
