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Re: how to fix heater core 1992 dodge spirit
Take my word for it, you don't want to fix it. Take it to your local radiator shop and have someone put a heater core in it for you. You will be way better off. I've done these before and it takes about 6- 8 hrs. The whole dash has to come out. The steering column has to be dropped. If I had one of those cars that needed a heater core, I would take it somewhere and have it done. Phil
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a the heater core is just a small radiator; if it's the right size for the heater box just run a heater hose into the top and another out the bottom securing them with hose clamps you may need to mount the core with zip ties if the screw mountig holes do not match
The heater is NOT actuated by a fuse, the fan is. ]But if the fan blows, the electrical part is OK, then it must be the heater door that switches from the cold air to the hot one, or 2) the heater core is not receiving enough hot coolant.
If you go to the Justanswer.com weblink below and join the site (create a user account) you can get complete instructions for the job for free. Joining is free, if you don't create an account you can't see the pictures or diagrams.
Make sure your coolant levels are up. If not, it may be the problem. The coolant sensor is reading inappropriate figures & sending incorrect timing figures to the computer. Change the coolant sensor & make sure your air filter is clean. The coolant sensor is close to the thermostat housing. Good luck!
Don't know where you are located but discount parts stores carry repair manuals that have the diagram (figure) to illistrate the alignment notches to time the timing belt. Also, some Libraries have on line access to save you money on purchasing a manual. Manuals are handy to have on all vehicles one owns to fix lots of problems for a do it yourselfer.