How to Change the Heater Core in a Chevy Blazer?

Answer The Chevrolet Blazer uses a coolant-heated radiator core mounted in the dashboard to provide heated air into the passenger compartment. This heater core can become clogged and leak, as it is usuall... Read More »

Top Q&A For: How to Change the Heater Core in a Chevy Blazer

How to Remove a Heater Core in a Chevy Blazer?

The Chevrolet Blazer has a single heater core that blows warm air through the ventilation system. Over time, sludge from the cooling system (where the heat is derived) accumulates in the core, lead... Read More »

1998 Chevy S-10 Blazer Heater Core Removal?

A malfunctioning heater core on your Chevy Blazer will cause your heater to blow no warm air and will likely cause coolant to leak into your passenger compartment. If this happens, you must replace... Read More »

How to Replace the Heater Core in a 2000 Chevy Blazer?

The 2000 Chevrolet Blazer heater core is a commonly replaced part of the heating and cooling system, due to problems with its placement and design. When the car is sitting level, debris is drawn to... Read More »

How to Remove the Heater Core in a 1999 Chevy Blazer?

The heater core regulates the coolant and airflow in your 1999 Chevrolet Blazer’s heating system. If the heater core develops a leak, one of the first common symptoms is a haze or condensatio... Read More »