98 Blazer Heater Core Removal

Remove the hvac module from the vehicle.

98 blazer heater core removal.

Disconnect the heater hoses from the heater core. There is a lower panel below the dash that needs to be removed. Go to passenger side of dash and remove glove box for working room. Turning them counter clockwise will loosen them.

Remove mounting bolts holding the heater core cover in place using swivel sockets and extensions. Remove the heater core intake and return hoses from the core nipple by releasing the squeeze clamps using channel lock pliers. Pretty easy to do. Remove the heater core access cover screws.

Disconnect the heater hoses under hood. Squeeze the clamp and slide and twist the hose as you pull them off. 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. Disconnect all of the vacuum lines from the heater assembly.