Reattach the return and intake hoses.
98 chevy blazer heater core problems.
Install the replacement heater core downward from the windshield.
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.
Disconnect the electrical wiring harness.
The 1998 chevrolet blazer has 1085 problems defects reported by blazer owners.
Take out the mounting bolts attaching the heater core to the interior firewall.
Maneuver the old unit upward and outward toward the windshield.
These trucks have a problem where moisture builds up in the heater box then freezes.
While there are a variety of reasons your chevrolet blazer heater is not working the most common 3 are a broken heater blower motor a problem with the thermostat or a failed heater blower motor resistor.
The worst complaints are electrical ac heater and engine problems.
When this freezes and you change your heater settings it breaks the shaft for the blend door.
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.
The chevrolet blazer uses a coolant heated radiator core mounted in the dashboard to provide heated air into the passenger compartment.