Problems · by component
1998 Chevrolet Blazer engine and engine cooling problems
61 owner complaints to NHTSA about the 1998 Chevrolet Blazer cite engine and engine cooling, 8% of all 734 complaints for this model year.
Complaints
61
8% of all complaints
Crashes
1
Reported by owners
Fires
3
Reported by owners
Injuries
3
Reported by owners
What owners say about the engine and engine cooling
Verbatim from NHTSA complaints, newest first
“TL*THE CONTACT OWNS A 1998 CHEVROLET BLAZER. THE CONTACT STATED THAT THE ENGINE OVERHEATED. SHE TOOK THE VEHICLE TO AN INDEPENDENT MECHANIC, WHERE THE RADIATOR AND THE HEAT AND COOLANT THERMOSTAT WERE REPLACED, BUT THE FAILURE WASN'T CORRECTED. THE MANUFACTURER WILL BE NOTIFIED. THE FAILURE MILEAGE WAS 30,000. THE CURRENT MILEAGE WAS 60,000.”
“1998 CHEVY BLAZER CAUGHT FIRE WHILE DRIVING. CONSUMER PULLED OVER ON THE SHOULDER AND CAR BURNED TO THE GROUND. *KB THE CONSUMER STATED THE TRANSMISSION AND HEAD GASKET WAS LEAKING PREVIOUSLY, BUT IT WAS FIXED. OHIO TRAFFIC CRASH REPORT # 10-0315-90. *JB UPDATED 04/15/10 *BF REMAILED 05/27/10 *BF”
“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”
“1998 CHEVY BLAZER WITH MULTITUDE OF PROBLEMS, WHICH CHEVY DENIES. INCLUDING WIPER FAILURE, BRAKE FAILURE, COMPLETE CORROSION OF ANYTHING TOUCHED BY DEXCOOL, AND ON AND ON. VERY UNSAFE VEHICLE!!!!! *NM”
“DT: THE CONTACT COMPLAINED ABOUT A MULTIPLE PROBLEMS WITH VEHICLE. THE VEHICLE OVERHEATED. SHE TOOK THE VEHICLE TO AN INDEPENDENT REPAIR SHOP, AND THE MECHANIC REPLACED THE WATER PUMP. AFTERWARDS, THE THERMOSTAT CONTINUED TO ELEVATE, AND SHE RETURNED THE VEHICLE TO THE REPAIR SHOP. THE MECHANIC REPLACED THE THERMOSTAT AND ADDED COOLANT. THE VEHICLE CONTINUED TO RUN HOT. THE CONTACT TOOK VEHICLE TO A DIFFERENT REPAIR SHOP, AND MECHANIC DETERMINED A LEAK IN THE INTAKE MANIFOLD GASKET. THE DEALER ATTEMPTED TO REPAIR IT BY FLUSHING THE INTAKE AND ADDING MORE COOLANT. ALTHOUGH MULTIPLE ATTEMPTS HAVE BEEN MADE TO REMEDY THIS PROBLEM IT CONTINUED TO PERSIST. *AK”
“I OWNED A 1996 CHEVY BLAZER. THE SEAL ON THE ENGINE WENT AT 70K MILES. HAD TO REPLACE ENGINE. I NOW OWN A 1998 CHEVY BLAZER, REPLACED THE SEAL IN DEC '04 AND THE ENGINE BLEW AT 67K MILES. HAD TO REPLACE (REBUILD) THIS ENGINE. I HAVE SERVICE RECORDS FOR BOTH VEHICLES. NO REASON TO HAVE TWO ENGINES GO. I WROTE GM AND GOT NO ANSWER. *JB”
Showing 6 of 61 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.