2003 Buick Rendezvous Engine And Engine Cooling Problems

NHTSA component category: ENGINE AND ENGINE COOLING · data through 07/14/2026

23Engine And Engine Cooling complaints

8.2%Of all 281 complaints

#3Most-reported category

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

FUEL/PROPULSION SYSTEM43 · 15.3%

ELECTRICAL SYSTEM31 · 11%

ENGINE AND ENGINE COOLING23 · 8.2%

SERVICE BRAKES, HYDRAULIC16 · 5.7%

FUEL SYSTEM, GASOLINE14 · 5%

Share of the 281 complaints citing each category; one complaint can cite several. Full breakdown on the 2003 Buick Rendezvous overview page.

What owners report

“BUICK RENDEVOUS. 1ST WAS A 2002 CXL - PROBLEMS: REAR DIFFERENTIAL SLIPPED, PASSENGER SIDE WINDOW REGULATOR BROKE, AC CONDENSER BROKEN, REAR VIEW MIRROR FELL OFF…”NHTSA complaint 10176590 — filed 12/19/2006

“WATER PUMP FAILURE AT 40,000 MILES. HEAD GASKET COOLANT LEAK AT 45,000 MILES. REPLACED THE WATER PUMP. REPLACING THE HEAD GASKET.”NHTSA complaint 10150716 — filed 02/21/2006

“TRANSMISSION FAILURE- REPLACED 12/04, WHEEL HUB BEARING FAILURE-REPLACED 06/05, HEATING/AC PROBLEMS SINCE NEW 09/03, BRAKE PROBLEMS SINCE NEW, WINDOW REGULATORS REPLACED 2X'S, HATCH LATCH FAILURE-MULTIPLE…”NHTSA complaint 10127764 — filed 07/07/2005

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 2003 Buick Rendezvous have engine and engine cooling problems?

Engine And Engine Cooling is the #3 most-reported problem area on the 2003 Buick Rendezvous: 23 of 281 complaints on file (8.2%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2003 Buick Rendezvous have in total?

281 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 12 involved a crash, 13 involved a fire, 13 reported injuries, and none 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.

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.