98 Chevy Blazer Heater Core Problems

Mount the unit using its bolts.

98 chevy blazer heater core problems.

This heater core can become clogged and leak as it is usually the lowest point in the coolant system and debris settles into it. Theres a slight antifreeze smell i was just wandering if it a heater core problem and i have to replace it or try to get it flushed if it could be clogged. If this is what happened you should be able to look under the dash above and to the right of the gas pedal and you will see two vaccuum accuators one of them you should be able to wiggle around the linkage if it is broke. When this freezes and you change your heater settings it breaks the shaft for the blend door.

Take out the mounting bolts attaching the heater core to the interior firewall. Maneuver the old unit upward and outward toward the windshield. The chevrolet blazer uses a coolant heated radiator core mounted in the dashboard to provide heated air into the passenger compartment. The 1998 chevrolet blazer has 1085 problems defects reported by blazer owners.

The worst complaints are electrical ac heater and engine problems. My 1998 s10 blazer is having a heater problem it blows out heat but not sufficiently enought the blower motor is pushing out the air its just not heating up as it should. Install the replacement heater core downward from the windshield. Disconnect the electrical wiring harness.