Question about 1993 Toyota Camry V6

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Milky white-brown substance in radator.

My 1998 Dodge Caravan... just over heated... I open up the radator cap and found the insides and over flow tank.. was coated with this milky while-brown substance, yes it was greasy to the touch. And all the fluid is gone. My first impression was it is a blown head gasket... but the signs are not there.

I still have strong compression
No white or blue exaust
Both oil and AT dipstips are clean.
and no water dripping anywhere.

Before in over heated i noticed i was hearing a gurrling sound comming from the coolant side of the vehicle.. as I drove around. Then it started to have a coolant smell to it.

So we open the hood again and further inspected. It is a possiblilty that the water evaperated away, leaving the old coolant behind and this substance and possiblly the tremostat failed. We also noticed a bulge on the radator hose, just before it entered the theromstat.

So i bought a new thermostat with gasket, and new new jug of PEAK 150,000 miles antifreeze, concentrate.... and new hoses

And it is in the shop now getting worked on, I am praying its not the head gasket...

Posted by on

  • airforcecowb Oct 02, 2009

    NO I cheaked all the oil no water in sight... I took the cap off too. I cheaked everything... I did buy it used and did ot chage the collent untill this problem occured...

  • airforcecowb Oct 02, 2009

    Ohhh... dont worry, I am a storm chaser. And this shop is one of my sponcers. I get a small discount for just putting there logo on my chase vehicle. They rip me off off goes the decales... and i will go some where eles...

    But thank you for the opinion... I do hear that if it is a minor leak thee is a really good sealant out there at NAPA i can buy and get it sealed right up. I thinking about trying to crutch it untill I can find a better vehicle...



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Not quite sure what your question is but if your looking for an opinion here's mine.
Even thought you didn't find the normally sign's of a blown head gasket you need to be aware that a cracked head can cause the same issues that a blown head gasket does. Also it is possible to have a problem with either of those two things and not involve the cylinders. A breach between the water jacket and the pressure side of an oil port would force the oil into the water jacket. Since the spaces traveled by the oil are relatively small the transfer will tend to be one way.

However this is an uncommon problem. About all you can do to test for it is to check the oil pressure with a gauge and compare that with specs.
I would probably check it to be on the safe side.
Hope this helps.

Posted on Oct 02, 2009

Testimonial: "thanks im crossing my fingers, and have been praying alot thanks"

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  • david mcclellan
    david mcclellan Oct 02, 2009

    Well no you wouldn't find the water in the oil. In the scenario of a breach between the water jacket and a oil passage there are two variables to consider. First the pressure of the higher density oil and second the great volume of the water jacket. The water just has no way to bleed into the oil passage in any amount that you would see. You would however have the oil mixed in with the coolant.
    As I stated though this is not a common thing. Most often it happens in High rev Hi performance engine that are equipped with high volume oil pumps with lots of pressure.
    But If I could not find any other cause for this, for the little time and money it would take to access one of the oil passages and connect a oil pressure gauge, I would check it just to be sure.

  • david mcclellan
    david mcclellan Oct 02, 2009

    One more thing. What ever you should be careful about asking the opinions of any mechanic that may be working on your car unless you trust him because they love mystery problems. "Oh yes we found the problem and as soon as we multiply the hourly rate against the spherical chicken we'll give you the bill". ":)
    Good Luck.

  • david mcclellan
    david mcclellan Oct 03, 2009

    I am unsure of the product carried by NAPA so I really don't have an opinion on it. However I am familiar with "Bar's Leak Head Gasket Fix" and have used it in the past with success in the past. It is probably been around longer then any other head gasket repair option of this type. All I can say is it is what it is. In your case I think it may be a good solution.
    If you use it what ever it is repost what your results were. Good luck.


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Without knowing if u had any and what kind of antifreeze,this could be as u suggested,there is a new antifreeze that looks like that.Take off ur oil cap and look inside to see if any water is in oil.The gurgling sound was an after affect of over heating,Sounds like a stuck thermostat,cross ur fingers,lol

Posted on Oct 02, 2009


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