Question about 1989 Ford Taurus

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Dirty water my radiator fluid keeps turning red even after a flush.

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Use a small amount of caustic soda in it run it for a while if you have leaks in the system it will clean out all stuff that you put in so be care full, ie leaks stoppers ???? when draining take off bottom hose drain into container

Posted on Jun 02, 2008

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Posted on Jun 02, 2008


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How to flush a radiator in a 1998 ford expedition

Depends whether a problem is suspected or whether the radiator is definitely the cause of the trouble.

Flushing a radiator requires it to be no worse than moderately blocked because without reasonable water flow flushing is doomed to failure and even then it is nearly impossible to clean the interior of a radiator without taking it apart and rodding out the tubes or using either an acidic or a caustic additive.

Flushing the old coolant out and a small percentage of sludge is as much as can be accomplished unless an additive is used and even then with variable success. I do this by disconnecting the heater outlet hose and fitting the (turned on) garden hose to it and then running the engine until the water runs clear. Once this is done I transfer the garden hose to the top of the radiator (top hose disconnected and plugged) and also plug the disconnected heater hose. Start the engine and run until the water runs clear from the heater outlet.

A more thorough cleaning will require the radiator to be removed and laid flat on the floor. This is definitely a kill or cure process but no less risky than using a caustic additive.. The results are usually quite impressive but beware - you and anyone nearby is likely to get wet.

I have the poor-man's pressure washer, officially entitled a water-air gun, but as long as the radiator is filled with water and water is running through it and the inlet is sealed apart from the water-air gun or other arrangement that allows compressed air to be introduced into the filled radiator while water continues to flow will have the desired effect. I kneel on the radiator to keep it stable and sometimes I feel it grow under me when I give it the full air tank pressure.

If it breaks, the reason is it wasn't much good in the first place...

May 08, 2016 | Ford Cars & Trucks

1 Answer

Bad radiator

Step_1 disconnect inlet (top hose) & outlet bottom) hose. I'm assuming you're replacing a corroded radiator. They now offer copper or plastic radiators that have high resistance to corrosion. If you replace with alluminum or steel radiator, do a flush job yearly with replace with the green radiiator solution or the red one if you replaced with aluminum radiator.
Step_2 disconnect the electric fan. first unhook the wire connection, then loosen the 4 screws that's holding the fan assembly against the radiator.
Step_3 Loosen the bolts holding the radiator unit. When re-attaching the new radiiator, install new hoses as well. Fill the radiator through the pressure relief cap with 60-40 radiator to water mixture. The instructions say 50-50, but 60-40 is a stronger solution that prevents freezing, boiling, & corrosion buildup. It there's a coolant filter, replace this unit as well. It looks like an oil filter cartridge.
Preventive miantainance: Perform a coolant flush every 50K miles. Most car manufacturers recommend 30K miles or 2 years, which ever comes first, but that's to boo$t revenue for car dealership service centers. IMO the max is 70K or 2 years. When you notice the temperature is overheating in the summer months, an engine radiator flush AND replacing the thermostat is the solution. Most shops will say "you need a new water pump" and the scammer had not even performed a diagnostic test. The water pump will last the life of the engine (140K+ miles) unless the car had run dry without radiator fluid. The radiator fluid lubricates the water pump. Running the engine dry (or low of) without radiator fluid damages the water pump. Running tap water instead of 50-50 or 40-60 radiator fluid mixture will also cause premature wear on the water pump because water by itself is insufficient lubricant on the water pump.

Mar 12, 2014 | 1996 Cadillac DeVille

1 Answer

Will a dirty transmission filter cause leakage from the top of the transmission? Back pressure?

There is several things that will cause the fluid to come out the vent on the transmission. The transmission has been over filled or you may have water to get in the transmission. Look at the fluid and if it's not a deep red then you havepossible water deluteing the fluid.The water would come from the radiator and get inside causing it to over fill. The best thing to do is drain the fluid and change the filter and inspect the transmission. If you find out that water has got into the radiator,then by no means have the radiator transmission cooler checked for a crack or broken connection. Hope this will help you.

May 20, 2010 | Cars & Trucks

1 Answer

How to replace the radiator fluid

- Make sure the engine is cold and not running.
- Drain the radiator fluid by opening the drain plug at the bottom of the radiator or for a better/faster drainage and cleaning, carefully remove the bottom radiator hose by first loosening the hose clamp.
- Open the radiator cap and water rinse/flush the radiator core via a garden water hose until you no longer see any dirty water coming out of the bottom hose (or drain plug).
- Flush the radiator over flow (plastic) container by overfilling it with your garden water hose.
- remove garden water hose, carefully refit the bottom radiator hose, tighten the bottom radaitior hose clamp, refit/tighten the radiator drain plug.
- refill the radiator with approved radiator fluid for your climate and also refill the radiator overfow tank to the indicated level..
- Refit radiator cap
- Start your engine until it warms up and check for any water or steam leaks. Refit and or replace any faulty hoses or radiator (regulator) cap!
It is not difficult and have fun!

Dec 25, 2009 | 2003 Volkswagen Beetle TDI

2 Answers

How do i flush my radiator myself?

If it works leave well alone ,just keep it topped up with pure antifreeze and not the diluted stuff

Oct 23, 2009 | 1991 Chevrolet Caprice

2 Answers

Flush the radiator

wins radiator flush

Jun 01, 2009 | 2002 Nissan Altima

3 Answers

My emission control light is on plus the radiator fluid is dirty.

it is because your radiator is already filthy, drain the water on it and clean it with pressurized water...

Apr 30, 2009 | 2001 Mercury Sable

2 Answers

2002 olsmobile alero w/ 3.4 litre engine overheating

your fans need replacing try hooking them up straight to battery to check if they spin fast its not the fans but the wiring.

Jan 11, 2009 | 1999 Oldsmobile Alero

1 Answer

Getting hot

This is kind of an old post but maybe someone else might read it and get the information. There are several things to get ready first and have with you. Newspapers/rags I use a disposable hard tinfoil turkey pan to catch the old fluid but whatever you may have that has some capacity for the fluid is great. You want to try and do this in an area that will have the least amount of impact on animals because anti-freeze is poisonous. Try to have some old jugs or something similar to pour all this in and dispose of it properly. What I purchased....2 jugs of antifreeze, 1 can of Prestone super flush and 1 tube of radiator stop leak (powder). What you want to do is first drain out the old fluid. Open the hood or get under the car if you have ramps or a way to lift it (this would be highly recommended and reallly a necessity even if you just jack up the side that the radiator is on. Anyway you should have an upper radiator hose and a lower radiator hose. There are other ways of doing this entire procedure but this is the one that works for me. Placing the pan below the lower radiator hose, I had a clamp on mine that I used long needle nose on to loosen and let all the old fluid drain in the pan. Once the fluid was out I put the hose back on and tightened it down. Also when draining all this be careful because later the fluid will be scalding. Wear long sleeves and long yellow gloves. Have a water hose or several jugs of water ready and start the car (always have the car running when adding to the radiator so that you do not crack the head on the motor). Start the car and first add the Prestone super flush and then fill it all the way up with water. When it begins bubbling up bad, put the top on the radiator and turn the heat on inside your car full blast. This will allow it to circulate through the entire system. Let it cycle for 20 minutes and then turn the car off. Remove the lower radiator hose, making sure to not to scald yourself, and when everything has drained out start the car again and using either the water hose, or jugs of water keep adding through a funnel for a few minutes 2-3 minutes. Let all this drain out, and after 2-3 minutes, turn the car off. Re-connect the radiator hose and then add the radiator stop leak powder. Start the car and add the anti-freeze. Beforehand depending on the climate it should be 60/40 antifreeze/water ratio but it does depend on the climate, ask around....keep adding the ant-freeze-water ratio until it bubbles up bad. Replace the radiator cap, and later when the car has cooled off you can add more, or maybe add more through the plastic radiator overfill jug. I have done this on several vehicles and never had another minutes problem out of them. I try to do this right at about 50k 100k etc....Hope this helps someone.

Aug 27, 2008 | 1997 Oldsmobile Cutlass Supreme

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