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How do you install a heater core in Chev pickup truck?

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Answered 2015-07-15 21:27:03

I just replaced the heater core in my 95 S-10 and it was a pain in the butt. You have to first take off all the lower panels of the dash. Mainly all screws are 9/32 and there are four that are star bits(not sure of what size). after all the lower panels are gone, remove the bolts that hold the steering colum on and lower that down then find all screws that hold the dash to the fire wall, should be like 4 total and the 2 lower bolts where the dash pivots on the pins. after that, just disconnect all connections behind the dash that keep you from removing it and pull the dash out of the truck. once your back there, just take off the screws to the heater core housing and loosen and remove the hoses under the hood going to the heater pipes. Then just unstrap the heater core and replace. Sounds simple but its not. There are hidden screws behind the speaker grilles and defroster vent on top of the dash and always make sure you reconnect all connections including the main power block on the passengers side behind the dash.

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