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You have to pull the dash and all the lower fascia, then remove the box that houses the heater core. Take the clamps off the heater hoses from the engine compartment side of the firewall and disconnect the heater hoses. Disconnect the bracket that holds the heater core in place from the inside of the passenger compartment (if present.) Carefully remove the heater core and discard it. Install a new heater core reversing the above steps.

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βˆ™ 2015-07-15 21:43:46
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Q: How do you replace the heater core on a 1988 Chevy Cavalier?
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