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Tear the dash out. It may be clogged. Try applying water pressure to the hoses coming of your firewall.
punt
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beside the engine
A "heater" or a "heater core"?
Drain the water from your 1988 Chevy cooling system. Remove the heater core water supply hoses. Remove the heater core retaining bolts. The heater core will come out.
About 27.00 for a 1988 towncar heater core at autozone.
Drain the water from your Dodge Ram truck 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.
how to change heater core in 98 suburban
change out the heater core
The heater core is mounted to the passenger side firewall on the 1988 Buick Electra 307. The blower motor needs to be removed to access the heater core.
well i just recently did a heater core in a 1988 mustang gt 5.0 and i used aprox 5 tools (nothing special) and it took about 4 hours (including supper)