To many steps to list here. I would recomend purchasing a shop manual for that vehicle if you want to do this job yourself.
how to replace a heater core in a 1997 Chevy blazer
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need diagram for heater core for a 1994 Chevy truck.
The dash has to be removed to gain access to the heater box. The heater box then comes out and is split open to replace the core.
If coolant is leaking inside your cabin, you have a leak in the heater core. The only repair is to replace the heater core. Most auto parts stores sell them.
The heater core resembles a small radiator.
Remove the water supply hoses from your 1992 Chevy S 10 pickup truck heater core. Remove the heater core retaining bolts. Reverse the process to install your new heater core.
Take it to the dealer. Take it to the dealer.
.the heater core is behind the dash .
.the heater core is behind the dash .
You will need to remove the anti-freeze from your 1997 Chevrolet Venture cooling system. Remove the water lines from the heater core. Remove the heater core retaining bolts. Reverse the process to install the new heater core.