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Could be: Low coolant in the radiator - or - thermostat stuck open - or - heater core plugged.
The front expansion valve is clogged.
The water from your 1989 Chevrolet Cavalier cooling system. Remove the heater core water supply hoses. Remove the heater core retaining bolts. Reverse the process to install the new heater core.
Drain the water from your 1997 Chevrolet Lumina cooling system. Remove the water supply lines to your heater core. Remove the heater core retaining bolts. Reverse the process to install the new heater core.
YES. You need a special tool to remove the quick disconnect hose.
Big job==TAke it to a garage or get a manual and do it right
how to change heater core in 98 suburban
drain coolant from radiator, remove one of the frost plugs in engine block, install block heater in place of frost plug, refill radiator with coolant.
Trouble code P0135 means:O2 sensor heater circuit malfunction (bank 1,sensor 1)
where is the heater control valve on a 1994 2500 suburban
I need a diagram of where the blts are to take out the dash to replace the heater core, there are 2 bolts that I can't find to take out , If anyone knows where they are please send email to firecapglm@hotmail.com thanks
Drain the water from your 1994 Chevrolet Cavalier cooling system. Remove the water supply hoses from the heater core. Remove the heater core retaining bolts. Reverse the process to install your new heater core.