If it overheats when stopped it may be a cooling fan issue,if it overheats on the highway it is not a cooling fan issue,as air flow is coming through the rad at highway speed.Don't bother with soldering 2 ends of a connector,just solder the wires together without the connector.Also,you do not have to have the relay for the cooling fan kept in the fuse box,it can live externally with soldered or wired connections.
Other option,just set the cooling fan to run whenever the key is on.
SOURCE: 2003 Dodge Grand Caravan Sport with no heat
check the coolant level. b-4 you start vehicle in morning, open radiator cap then start vehicle if level drops add until full then replace cap.
SOURCE: 93 Dodge Grand Caravan antifreeze leak/drip
check it out,sounds like a waterpump ,but it could be anything,you must be using 100% to withstand -30 celcius where are you alaska??
SOURCE: 1999 Dodge Caravan running rough at idle and lack of acceleration
Here are a few things to check that aren't that exspencive to do. check you'r o2 scener and the map scencer.try tapping on the cadiletice convertor to see if can hear any rattling if there is any rattliling the cadiletice converter could be clogged and will need to be replaced.You can also have the emission control module tested to see if it working properly.
SOURCE: Dodge 2002 Grand Caravan V6 3.3 engine overheating/no cabin heat.
Replace the bad radiator hose first. Second- get you special formulated anti-freeze dye from the auto store and pour it into the radiator. Third- make sure you got all the air pockets out of your system, cause the coolant system won't work with air pockets in it. Fourth- Check for leaks by looking for the colored dye. If it's not the radiator hose, then could possibly be a pin hole in your radiator. Would suggest replacing all the radiator hoses at the same time while you got the coolant system disconnected, cause you don't want to have to come back and replace another hose in a few months.
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SOURCE: BOTTOM RAD HOSE COLD TOP HOT. ENGINE TEMP ABOUT
Did you burp the air out of the system after changing those parts? It sounds like the thermostat isn't opening which is why the lower hose is still cold. Click my screenname, go to my tips and tricks, and choose the one about burping the cooling system - it may help you out.
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