NHTSA Complaint #10174650 — 1999 CHEVROLET BLAZER

ENGINE AND ENGINE COOLING:COOLING SYSTEM issue reported to NHTSA

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Vehicle Towed

Complaint Details

ODI Number 10174650
Vehicle 1999 CHEVROLET BLAZER
Component ENGINE AND ENGINE COOLING:COOLING SYSTEM
Date of Incident
Date Filed
Mileage 66,628 miles
Crash No
Fire No
Injuries 0
Deaths 0
Vehicle Towed Yes
State SD

Consumer Description

DURING MAINTENANCE, OWNER NOTICED COOLANT GETTING DIRTY. HAD IT FLUSHED FOUR TIMES. HEATER QUIT WORKING AFTER FIRST FLUSH. BROWNISH-GRAY SLUDGE WAS BLOCKING THE HEATER CORE. MECHANIC STATED IT WAS DUE TO A SMALL LEAK IN THE INTAKE MANIFOLD GASKET CAUSING SMALL AMOUNTS OF DIRTY AIR AND OIL TO MIX WITH COOLANT. SINCE HAVING GASKET REPLACED, COOLANT HAS NOT GOTTEN DIRTY AGAIN. VORTEC ENGINES 1999-2003 WERE PRONE TO THIS GASKET FAILURE. DEXCOOL DOESN'T MIX WELL WITH DIRT OR OIL. *NM

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