Question about 2002 Dodge Caravan

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New radiator still losing antifreeze

Put two new raditors in and still losing antifreeze

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More information would help, but I will point out some possibilities...
1. You could have a leak near the exhaust manifold area. If it leaks onto the superheated manifold, the liquid will turn to steam and not show an actual leak. After shut off, the engine (and the exhaust manifold) takes a while to cool off - typically about the same amount of time it takes for the pressure in your cooling system to zeroize as it cools down too - hence no visible leak. However, when the antifreeze/coolant turns to steam, you can usually smell it. It has a distinctive smell - kinda sweet. It is scary and is dangerous to crawl around a running engine, but if you smell the coolant smell, let it run and (preferably on a windless day) crawl around all sides and perhaps underneath to see if you can see any steam or hear hissing sounds. Sometimes, you can hear the hissing sounds after engine shutoff too.

2. Hope you found the leak above. If not, then check your tail pipe. Is there any fluid coming out when you have the engine at running temperature? Have someone punch the throttle down while you watch the tailpipe. If you see any liquid or steam coming out, check your oil using the dipstick. Is the oil milky colored? If so, bad news - probably a blown head gasket - typical if the car has overheated at some point. Expensive fix for a shop to do, or a time-consuming and difficult job for the do it yourselfer. To confirm the head gasket problem, do a compression check on all cylinders. Another "easy" confirmation is to smell the inside of your coolant reservoir (after the engine has properly cooled!). If you smell exhaust in there, you likely have a blown head gasket. Also smell the underside of your oil fill cap. It should smell like oil with a hint of exhaust/fuel, but if it smells overwhelmingly like exhaust, and the other smell/sight tests point to a head gasket, then get your wallet out. Hope you found the leak in #1. Good luck.

Posted on Apr 20, 2014

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You could have a leaking water pump or blown head gasket

Posted on Apr 20, 2014

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Posted on Jan 02, 2017

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1 Answer

Radiator removal instructions


Remove the fan and shroud. Put a large (!) drain pan under the radiator and drain it - if you're lucky it'll have a drain petcock near the lower radiator hose. Unscrew the radiator hose clamps and disconnect the upper & lower radiator hoses. Disconnect the transmission cooler lines if they also go into the radiator (some do, some don't)... you'll want a second, small, drain pan to catch the transmission fluid.

Now unbolt the clamps that hold the radiator to the radiator support plate (across the front of the car). Lift the radiator straight up, being sure not to lose the rubber mount isolator pads. Remove it from the car.

Replacement is pretty much the reverse of disassembly - put the new radiator in place CAREFULLY so you don't damage it, put the mounting clamps back on, reconnect the transmission cooler lines and radiator hoses, check the petcock (if the new radiator has one) to be sure it's closed snugly, reattach the fan and shroud.

Now refill the cooling sytem with all NEW antifreeze/coolant and water mix, about 50/50. DO NOT reuse the old antifreeze. Take close note of exactly what brand and type of antifreeze you used, and never NEVER mix any other brand/type of antifreeze with it, only exactly the same brand/type.

After refilling the cooling system, start the car & check the transmission fluid. Top off if necessary.

Jul 26, 2014 | 1984 Buick LeSabre

2 Answers

Where does antifreeze go


Antifreeze goes into the radiator. There should be both a radiator cap and also an overflow reservior. Top off the radiator and fill the reservoir to the "max fill" line. NOTE: DO NOT remove the radiator cap when the engine is warm. You'll get burned

Dec 09, 2010 | 1998 Volkswagen Jetta

1 Answer

Leaks Antifreeze but not all the time. Location of leak right center of Radiator. ( facing radiator) will a new raditor cap help?


hi,
no, I got a brand new radiator for a STS at a radiator shop for 140.00. shop around and replacing the radiator isnt too bad usually and you will save alot of money if you buy a chilton or haynes and do it yourself. Park it where children and unwanted people dont have access to your car. thats a strange place for a radiator to burst out of the blue. If you have to drive it in an emergency leave the radiator cap on to the first click or loose, but not tight. dont drive it at all if you dont have to.
good luck..
jm

Nov 06, 2010 | 2000 Cadillac Escalade

1 Answer

MY CAR IS OVER HEATING ON HILLS THERE IS NO HEAT


YOU NEED TO CHECK YOUR COILENT AND RADITOR SYSTEM YOU HAVE TO CHANGE THE ANTIFREEZE ABOUT EVERY 5 YEARS OR SO YOU HAVE CLOGGED RADITOR AND HEATER COREGO GET SOME RADITATOR FLUSH PUT IT IN THE RADITATOR LET VEHICLE IDLE READ DERICTIONS ON CAN DRAIN ANTIFREEZE REFILL WITH WATER AND DO IT AGAIN THEN PUT NEW ANTIFREEZE IN USE A HOSE AND RUN LOTS OF WATER THROUGH SYSTEM IN EVERY DERICTION YOU CAN THIS MEANS THE HEATER CORE LINES TO GOOD LUCK PIER.J

Oct 16, 2010 | 1997 Ford Aspire

2 Answers

OVER HEATING HAS ANTIFREEZE ,NEW RADITOR AND


Sounds like it could be a head gasket. Most shops will pressure test it (not expensive to test) to find out if that's the culprit. Pretty common overheating cause if you have a new radiator, thermostat and water pump.

Jun 03, 2010 | 2001 Chevrolet Blazer

1 Answer

Recently had the raditor flushed and hot light


thats because it is leaking antifreeze into the cab through the heater core

Mar 28, 2010 | 2000 Volkswagen Beetle

4 Answers

I put wind shield washer fluid were the anti freeze should be how can i get that out?


Have you started up the car after that happened? If you did, do not worry about it, it has mixed in. If you have not started it up yet you can take the hose off the bottom of the reservoir and let it drain, or you can get a water hose and flush it out. It will be ok if you leave it in, no more than put in will not effect in any negative way.

Nov 11, 2009 | 1995 Saturn Sl

1 Answer

How change antifreeze in car raditor?


At the bottom of the radiator there is a plastic knob this is the petcock drain plug it can be hard to see and turn so you may need to jack up the front of the car a little to crawl under the front and look at the bottom of the radiator but if you can reach it from the top and turn it with a pair of pliers do so that way this will allow you to drain the radiator, remove the radiator cap if it has one to allow air to pass through radiator, if it has no radiator cap remove the cap on the radiator expansion reserve tank, after all antifreeze is drained turn petcock drain plug back in till tight then refill raidiator with 50% water 50% anti freeze mixture, start car and top off antifreeze run the car or drive for ten minutes then top off antifreeze.

Sep 11, 2009 | 1999 Mazda 626

2 Answers

Im trying to change the antifreeze but it has only one cap on the plastic and not on the raditor would that be a prob when change


Best way to change the antifreeze is to open the petcock at the bottom of the radiator to drain the antifreeze/coolant. Once completely drained close the petcock and refill. Only other way would be to get a flush kit which involves cutting a heater hose, inserting a T and running a garden hose through the system with the radiator open at the bottom through the petcock while the motor is running.
Hope this answers your question. Good luck!
Greg

Aug 14, 2009 | 2004 Jeep Liberty

2 Answers

I HAVE A 1999 DEVILLE


99 cadillac deville overheating put in new radiator,thermostat,waterpump. it stays cool at idle for a hour running.drivin about 15-30 minutes it overheats. is not using hardly any coolant to speak of.

Jan 05, 2009 | 1999 Cadillac DeVille

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