98 Blazer Heater Core Removal

Squeeze the clamp and slide and twist the hose as you pull them off.

98 blazer heater core removal.

Remove mounting bolts holding the heater core cover in place using swivel sockets and extensions. Once panel under dash is removed you will see the heater box remove the 6 8 bolts around the very base of it it will able to be lowered down and you will see the heater core it has a couple of brackets that hold it in place remove these. Remove the heater core access cover screws. Remove the hvac module from the vehicle.

Disconnect all of the vacuum lines from the heater assembly. Disconnect the heater hoses from the heater core. Disconnect the heater hoses under hood. Pretty easy to do.

There is a lower panel below the dash that needs to be removed. Remove the heater core intake and return hoses from the core nipple by releasing the squeeze clamps using channel lock pliers. Turning them counter clockwise will loosen them. Some models will have screw type hose clamps.