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Chevy Silverado
Heater Cores and Blower Fans

How do you install a heater core in a 82 Chevy 4x4 truck?


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2015-07-15 19:59:47
2015-07-15 19:59:47

I have done a couple of those, but it's been a while so I'll tell you what I remember. It's easier if the vehicle doesn't have AC, less junk to take take apart and work around. You must remove the heater core housing. That is the big black plastic thing behind and underneath the glove compartment. The housing has studs that stick through the firewall and you remove the nuts from under the hood on the firewall side. There are about 5 or 6 nuts and there is one over by the fender that is tough to get. Also while you are under the hood disconnect the heater hoses at the firewall where they hook to the core. Next you will need to remove the glove compartment and maybe the ashtray. All of the ducts, hoses, cables. vacuume lines etc. will need to be disconected from the housing. Again the vehicles without AC are much easier. It may be necessary to get the housing loose from the firewall and lower it down a bit in order to diconnect everything. One you have the housing in your hands you can remove the old core from the housing. Its not a fun job and I wouldn,t recomend it unless you are mechanicaly inclined and patient.

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