How to Repair the Heater Core on a Chevrolet Blazer?

Answer The Chevrolet Blazer uses routed coolant lines and a heater core to warm the air inside the cabin. This embedded core can clog and leak, requiring replacement. The entire dashboard must be dislodge... Read More »

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How to Fix the Heater Core in a 1992 Chevrolet Blazer?

The heater core in your Chevrolet Blazer is very similar to the radiator, except that it is much smaller. As the fluid passes through the tubes in the heater, it brings heat to the passenger compar... Read More »

How to Remove a Heater Core in a 1991 Chevrolet Blazer S-10?

The most common factor that causes heater core damage is neglected cooling system maintenance. As antifreeze ages, it begins to crystallize. Coupled with other debris in the system, clogs are the e... Read More »

Where Is the Heater Core in a '95 Blazer?

The 1995 Chevrolet Blazer shares a platform with the GMC Jimmy, Chevrolet S-10 and GMC Sonoma pickups. It was equipped with either a 2.2-liter in-line-four cylinder or a 4.3-liter V-6 engine. The h... Read More »

How to Replace the Heater Core on a '94 S10 Blazer?

Although it's a task that requires the removal and replacement of several components, a patient weekend mechanic or do-it-yourselfer can replace the heater core in a '94 S-10 Blazer. Provided you l... Read More »