Dirty Coolant

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  #1  
Old 12-12-03, 12:23 PM
98Blazer
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Dirty Coolant

Hey,
My girlfriend has a 2000 Ford Taurus and the coolant was dirty so she had it flushed (This was found by the dealership when she was in for something else). A few days later she went to get her oil changed and they said her coolant was wicked dirty, so she went back to the dealership and they said their guy must have been trying a shortcut and they did it again for free. However the coolant is still dirty. Did they screw it up again or is there something else that could be wrong that's making the coolant dirty?
 
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Old 12-12-03, 02:21 PM
KurtDixon
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Dirty how? Rusty (shouldn't be) black (could be oil in there)
How does the car run? It seems like one of the other fluids is leaking into the coolant (probably oil) making it black and "look" dirty. This is assuming they actually flushed it properly
 
  #3  
Old 12-12-03, 06:16 PM
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Once a cooling system rusts badly, it builds up a clay type deposit in many parts of the engine. Flushing the system barely scrapes the surface of these deposits so the coolant turns rusty almost immediatly. It is very difficult to get all of this out once it's gone too far. I've seen some techs use some muratic acid in the radiator for 15 minutes before flushing to loosen the sludge up good. that works pretty good but you have to be real sure it was flushed out thoroughly when finished, probably 2 or 3 times. Then maybe nuetralized with some baking soda to be sure it doesn't damage the cooling system in the future. The trick is to catch it before it gets that bad.
 
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Old 12-12-03, 10:08 PM
KurtDixon
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Could the coolant get dirty/rusty that fast? Not challenging you in any way, just wondering
 
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Old 12-13-03, 11:21 AM
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It depends what the coolant percentage was. A heavy water mix will rust quickly. Once it starts, it spreads like cancer.
 
  #6  
Old 12-13-03, 01:07 PM
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Smile Good questions that deserve good answers.

Hi Kurt.

You asked:
Could the coolant get dirty/rusty that fast?

With a good back flush & clean Antifreze + clean water that's not the normal way it should be.

On something as inxpensieve as a coolant flush. Why not take Her car to one of the radiator shops for a 2nd opinion? Don't tell them you had it flushed. Ask them if you need a flush first. If they do a flush, pressure test & coolant replacement they may find a problem that the other shop missed.

You also asked:
Did they screw it up again or is there something else that could be wrong that's making the coolant dirty?

Finding the answer to that question is very important to the health of her car, & her trust in the shop she uses. Auto repair is far to expensieve today to gamble your life, with a poor Mechanic.

Let us know what you find out, & best of luck to you.
 
  #7  
Old 12-13-03, 01:29 PM
BBman
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I remember a tsb for this on 97 taurus with 3.0 Ill bet this applys to 2000 also. Actually it was a service campaign
 
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