98 Chevy Blazer Heater Core Problems

The worst complaints are electrical ac heater and engine problems.

98 chevy blazer heater core problems.

Take out the mounting bolts attaching the heater core to the interior firewall. These trucks have a problem where moisture builds up in the heater box then freezes. Disconnect the electrical wiring harness. 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.

This heater core can become clogged and leak as it is usually the lowest point in the coolant system and debris settles into it. Mount the unit using its bolts. 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. The chevrolet blazer uses a coolant heated radiator core mounted in the dashboard to provide heated air into the passenger compartment.

When this freezes and you change your heater settings it breaks the shaft for the blend door. Reattach the return and intake hoses. 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. Install the replacement heater core downward from the windshield.