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2005 dodge caravan overheating top radiator hose gets very hot and tight

Top radiator hose builds pressure. changed radiator hoses, thermostat, radiator cap, flushed system. was heating system interior, blowing cold air only, but now it blows hot air. stays at normal temp but when driving needle shoots up to overheating and sensor indicates overheating.

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6ya6ya
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Posted on Jan 02, 2017

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dgjtex
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SOURCE: After car heats up (slow to heat) it stil blows cold until moving

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Posted on Dec 22, 2008

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Nomodo4u
  • 863 Answers

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.

Posted on Nov 06, 2009

Testimonial: "Helpful & quick feedback! Thanks! "

  • 7353 Answers

SOURCE: 2002 dodge 1500 Changed radiator, thermostat, and hoses. No heat

Why was radiator replaced?Did it have heat before ? If it was plugged, the heater core may also be plugged. Try flushing it with a water hose in both directions. I dont know why the botton radiator hose would be cold, the radiator should be a uniform temp and the air coming through the radiator should be HOT, when the engine is at operating temp. What condition was the old coolant? if it was rusty, the water pump may have lower flow than normal.

Posted on Nov 19, 2009

dttech
  • 4803 Answers

SOURCE: Heat troubles..92 dodge caravan 3.3L..new

If it is fogging your windows, you have a leaking heater core. Dash removal is required to fix it.

Posted on Jan 11, 2011

Testimonial: "great advice,,but I am not losing antifreeze from my cooling system,"

  • 1 Answer

SOURCE: Have a 2001 dodge stratus 2.7 95,000 miles going

I had the same problem with the same car...
I replaced the climate control center, (in the dash selector) and this solved the problem. I discovered this by first swapping mine out with a friends who had the same unit. This is an expensive part at the dealership but I now have heat. Hope this helps, I had a couple of long winters driving to work also!

Posted on Feb 26, 2011

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2002 dodge caravan 4 cylinder. Recently replaced the radiator hoses and water pump, now vehicle is pushing fluid out the resivoir overflow spout. Causing the engine to overheat. What could cause this?


The problem is the coolant isn't circulation through the system. You are getting all the pressure on one side of system and the tank is the only place where the pressure can be released. Is the thermostat good? Is it installed correctly? Check for coolant in the radiator. After vehicle has been running but turned off feel the upper radiator hose is it under pressure and hot. Next feel the bottom hose is it under pressure and cooler than the upper hose. If the upper hose is not under pressure fix thermostat it's not working correctly. If lower hose is not under pressure something is wrong with the radiator

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1 Answer

2001 grand caravan overheating. then suddenly cool


Change your thermostat before it sticks closed completely. Sticky thermostat is usually the cause.
Another possibility is that your radiator fan temperature switch is going bad. This is usually located next to the upper radiator hose at the gooseneck on your engine where the thermostat is located.

Mar 10, 2010 | 2001 Dodge Caravan

1 Answer

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.

Nov 06, 2009 | 2002 Dodge Grand Caravan

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