To many steps to list here. If you intend on doing this job yourself I recommend purchasing a shop manual for that vehicle. It will be worth the investment.
how to replace a heater core in a 1997 Chevy blazer
how do i replace a heater core in a 2001 Chevrolet blazer
You can but you still won't be able to get it out.
Drain the water from your 1994 Chevrolet Blazer cooling system. Remove the heater core water supply hoses. Remove the heater core retaining bolts. Reverse the process to install the new heater core.
You have to completely remove the dash to get access to the heater core.
replace heater core in a 1991 Chevy work truck 1500
with your hands
Detach the screw that attaches the heater duct on a Chevy Cavalier and remove the heater core. Once this is done you can replace the faulty heater core with a functional one.
pull the handle down
How do I replace the heater core in a Chevy express 1500
No it will not, it will just back flush the heater core and clean it out.
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