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Engine coolant flow diagram

I have a dodge caravan se 2002 model. Coolant gets empty and there is vapor coming from the front. Please guide

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  • Dodge Master
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Have a pressure test done on the coolant system to find the position of the leak. May be a hole in the radiator core or loose/ cracked hoses.

Posted on Dec 30, 2013

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Posted on Jan 02, 2017

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SOURCE: Where is the drain valve on 2002 dodge caravan radiator?

its a pitcock facing the cab bottom of the radiator, plastic flat. once you find the pitcock just put a bucket underneath and turn it.then refill. if you want to flush(run fluid thru to clean it out) the radiator id suggest taking it in. you dont have to flush it every time you change the coolant out.

Posted on Mar 28, 2009

buffalonyman
  • 1865 Answers

SOURCE: coolant not flowing to engine, overheating after replace radiator

Remove the thermostat and then try it. If it works then replace t-stat

Posted on Jun 12, 2009

  • 1 Answer

SOURCE: Water Pump leakes from steel tube.

when installing new o-ring on tube, lubricate o-ring and stick it in water pump. Then pull pressure back on tube and then tighten hold down clamp. problem solved

Posted on Oct 25, 2009

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

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  • 2 Answers

SOURCE: 2002 Dodge Intrepid has no heat

Radiators do not "go out". They leak or they don't... that's it. You wasted money changing a radiator if you aren't loosing coolant. The thermostat (~$10) is all you needed to change.

Posted on Dec 12, 2009

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1 Answer

2006 dodge grand caravan replaced thermostat and radiator, still no heat?? And the van is running hot


How hot is the engine in degrees F? With a fully warmed engine are the heater hoses, hot? Check coolant flow through the heater core. If no coolant flow through the heater or engine, I'd have to check water pump.

Sometimes when the cooling system is opened, it may get air in the system, your temp gage may be reacting to air in the system?

Nov 22, 2014 | 2006 Dodge Grand Caravan

1 Answer

My dodge caravan is overheating and sputtering all the sudden. why?


definitely check ur coolant level. it might b empty /and or a hose leaking onto ur coilpaks or sparkplug wires causing a misfire or sputter. also check ur engine codes to single out faulty cylinders. if ur coolant level is fine u could possibly have a stuck thermostat not allowing flow. also dont forget to check cooling fan operation...just some obvious pointers u need to look at. good luck hopes this helps

Oct 19, 2014 | 2004 Dodge Caravan

1 Answer

2002 Caravan,3.3 V6,FWD,had a loose rad cap and lost fluids till no heat in heater.Replaced cap,filled overflow reservoir,ran for a few kms,refilled tank.Still no heat unless motor revs,all levels are...


You still have a lot of air in the cooling system and you have to speed up the water pump to get any coolant to flow through the heater. Let the engine cool off, then open the radiator cap and top off the radiator. Pour the coolant in at a rate slow enough to let the air bubble up without splashing the coolant back out. Once you get the coolant level up to the top overflow hose, the remaining air will be pushed out by expansion through the overflow tank once the engine gets hot, and will be replaced by coolant from the tank on cool-down.

Mar 12, 2011 | 2002 Dodge Caravan

2 Answers

Why would a 2005 Dodge Caravan need or use excessive amounts of coolant?


The engine is either overheating and the coolant vaporizes (check also the oil level) or the cooling pipe system has a leak somewhere.

Feb 28, 2011 | Dodge Caravan Cars & Trucks

3 Answers

I put a new thermostat on my 2005 grand dodge caravan yesterday, today I have no heat. Some said vapor lock, where is the air drainage on this model?


there is no air bleeder, It will bleed it self . Or you could put a pan under radiator to catch coolant spill, Put pan under radiator, remove radiator cap, start engine,let engine run,have a 50% coolant mix on hand, when engine warms up the thermostat will open and allow flow of coolant. just as the thermostat starts to open air will release causing coolant to spill over filler cap inlet, this is normal, the pan is so you don't waste coolant or make a mess. in a few moments as the thermostat opens to full position the coolant level will fall in radiator, at this time you will fill radiator untill it will take no more,put cap on radiator and use clean fluid you caught in pan or coolant in jug or whatever you have it in and fill the coolant reservoir to fill line. i hope you have heat now ! check reservoir again the next day, if low fill and you should be good !! do this procedure when engine is cold,never remove a hot radiator cap. but if you were too, make sure you squeeze upper radiator hose, IF IT IS HARD OR UNDER PRESSURE, DO NOT REMOVE !!!! If you can squeeze the hose then put a rag over cap and remove slowly a little pressure or coolant might spill but should be minimal. I have alot of experience in this and severe burns are possible to the inexperienced !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Jan 13, 2011 | 2005 Dodge Grand Caravan

3 Answers

Tell me how to get rid of a air pocket in cooling system on a 2002 dodge caravan


Click on my screenname, go to my Tips and Tricks - I have a thorough procedure written up that will do exactly this for you.

Dec 10, 2009 | 2002 Dodge Grand 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

1 Answer

2002 Dodge Caravan water leeking ALOT


I appreciate your initative, but you have to use extreme caution when dealing with the cooling system. You don't want to get burned. You can add coolant, but remember the coolant that was in it had to go somewhere. You can add coolant, start vehicle and look for any signs of a leak. (radiator, hoses, etc.) Also the water pump should be checked. There is usually a weep hole that will have coolant flowing out if the water pump is defective. The water pump is driven by the drive belt. Hope this helps, be careful, and good luck.

Jul 09, 2009 | 2002 Dodge Caravan

2 Answers

Where is the drain valve on 2002 dodge caravan radiator?


its a pitcock facing the cab bottom of the radiator, plastic flat. once you find the pitcock just put a bucket underneath and turn it.then refill. if you want to flush(run fluid thru to clean it out) the radiator id suggest taking it in. you dont have to flush it every time you change the coolant out.

Mar 28, 2009 | 2002 Dodge Caravan

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