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Heater Cores and Blower Fans

How do you remove the heater core in a 1978 Chevy van?

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2007-03-04 20:37:52
2007-03-04 20:37:52

On early (1978)Chevy Vans you access the heater core thru the small hood in front of the Van. On the left side locate the two heater core hose's and observe the cover that holds the blower motor and core. Remove the bolts that secure the cover to the firewall and pry the cover loose. You may have to disconnect the heater blower motor electric plug. Some covers were sealed shut with some type of adhesive and the cover may require a considerable amount of prying to free. Installation is reverse of the remove and new hoses and clamps are always a good idea.As far as heater core R-N-R'S not a very difficult job.

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