The heater core is similar to the radiator located in the vehicle s cooling system.
2002 chevy blazer heater core removal.
The heat vent mounting stud has a flange on the inside and cannot be removed from under the hood.
The most common cause of heater core problems is neglect cooling systems need to be serviced on a regular.
This is not the older body style chevy s 10 blazer but the newer body trailblazer.
This week i had the pleasure or should i say displeasure of replacing the heater core on a chevrolet trailblazer.
1992 chevy s10 blazer 4 door 4 3l tbi auto ac i need schematics and procedures to replace the heater core in my s10 blazer.
Remove the heater core hoses on the upper left of the engine bay by pinching their hose clamps with a pair of pliers and pulling them off.
Remove the hvac module mounting nut located at the lower right side of the heater core to heater connection.
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1994 to 2004 c.
Remove the hvac module mounting bolt located at the lower left side of the heater core to heater hose connection.
Turning them counter clockwise will loosen them.
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The blower motor forces air through the core and into the air duct system allowing temperature controls which enable defrost floor and front vent modes.