It involves taking the complete dash out of the vehicle and will take the average person at least 8 hours if not more. Here is a link to a DIY http://www.yotatech.com/f116/writeup-89-94-heater-core-replacement-124222/
i need to know how to replace the heater core on my 1992 s-10 pickup
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Yes.
Remove the water supply lines from your 1990 Ford E3 50 heater core. Remove the heater core retaining bolts. Reverse the process to install your new heater core.
Drain the cooling system. Remove the water hoses from the heater core. Remove the heater core retaining bolts. Reverse the process to install the new heater core.
You should probably bring it to a mechanic because it is very difficult to replace the heater core on GMC pickups.
pay someone to do it for u, what a pain in the ARSE
You do not need to completely remove the dashboard in order to change the heater core. Remove the water hoses from the heater core. Remove the heater core retaining bolts. Reverse the process to install the new heater core.
You may have a clogged heater core, or a leak in the system somewhere. Take your car to a mechanic who can replace the heater core or diagnose the leak.
Remove the water supply hoses from your 1992 Chevy S 10 pickup truck heater core. Remove the heater core retaining bolts. Reverse the process to install your new heater core.
How do you replace the heater core on a jimmy?
Get a manual on your car to do the job right.