2001 Chevrolet Impala Engine And Engine Cooling Problems
NHTSA component category: ENGINE AND ENGINE COOLING · data through 07/14/2026
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 742 complaints citing each category; one complaint can cite several. Full breakdown on the 2001 Chevrolet Impala overview page.
What owners report
“CHRONIC COOLANT LEAK ON 2001 IMPALA LS. DEALER REPLACED MANIFOLD UNDER WARRANTY. ALSO IN FIRST 2 YEARS, WHEEL BEARING, INTERMEDIATE STEERING SHAFT REQUIRED REPLACEMENT, AS…”NHTSA complaint 10022990 — filed 06/12/2003
“2001 CHEVROLET IMPALA 3800 ENGINE. THERMOPLASTIC UPPER INTAKE MANIFOLD WARPED AND LEAKED COOLANT WITH 18,000 MILES ON THE CAR. REPAIRED UNDER WARRANTY BY GM. THIS…”NHTSA complaint 10005011 — filed 01/31/2003
“ENGINE COOLANT LEAK RESULTING FROM UPPER PLENUM ( MANIFOLD) BEING WARPED WITH ONLY 26300 MILES ON VEHICLE. 2001 CHEVROLET IMPALA LS V6 3800 SERIES II…”NHTSA complaint 10004997 — filed 01/31/2003
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 2001 Chevrolet Impala have engine and engine cooling problems?
Engine And Engine Cooling is the #3 most-reported problem area on the 2001 Chevrolet Impala: 53 of 742 complaints on file (7.1%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2001 Chevrolet Impala have in total?
742 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 33 involved a crash, 67 involved a fire, 39 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.
