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Oil turn thick - beyond crazy

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Old 03-13-18, 02:38 PM
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jooksing82
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Default Oil turn thick - beyond crazy

Originally I started this thread in the Hybrid section as I thought I had hybrid problem.
https://www.clublexus.com/forums/hybrid-technology-187/

I decided to expand out here to see what you think. First impression you will think this is a hoax. It is so unbelievable.

Short short.. The oil in my engine turned into a thick jelly when cold. molasses when warm...
I changed Mobil 1 oil Extended performance 0W-20 back in Nov. It only had 1000-1500 miles on it. you can check out the rest of the vidoes on my YT account. Teh guys on BITOG thinks someone tampered the oil jug before me. I sent the oil for analysis and no Water,coolant, fuel contamination.



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Old 03-13-18, 03:11 PM
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5W40
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Wow! Never see oil like that.

Use 5W30 mineral engine oil all the time with 8000 km change interval. it is black a bit thick but never thick jelly like this , engine still running very quiet and smooth like silk now at 220K+ km.

Last edited by 5W40; 03-18-18 at 06:26 PM.
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Old 03-14-18, 08:16 AM
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call mobil
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Old 03-16-18, 11:10 AM
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Daleda
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Second 5W30 I use Dino oil (no synthetics for me) and change with filter every 2500 miles on my 07 RX350 (125,000 miles). She runs smooth and quiet. I really wonder what is going on in your engine, something not good for sure.
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Old 03-16-18, 11:54 AM
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Jeez. Looks like it has food thickener in it. Crazy!
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Old 03-16-18, 07:15 PM
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I use Mobil 1 5W-30 synthetic and have never seen anything like what you have. What's your car's history? Have you sent the oil out for an analysis?
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Old 03-17-18, 04:54 PM
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Hey, glad I found this thread. I am positive, you have some contaminant in the engine that caused some sort of chemical reaction with oil and toasted it. Mobil1 is quality oil. Something did this to it.
What causes thick engine oil?
With frequent use, the motor oil accumulates coolant, dirt, water, fuel and other contaminants. It also breaks down or oxidizes because of the intense heat of the internal combustion engine of your car. As a result, it turns into sludge, a thick gel-like fluid
Too ThickWhen it comes to oil, although it may seem like "the thicker, the better," oil that is too thick is just as detrimental as oil that is too thin. Excessively thick oil is the most commonly discussed oil failure and the subject of many big oil company marketing campaigns. When oil becomes too thick to flow to engine parts, these areas are starved of oil, resulting in metal-to-metal contact that can lead to catastrophic engine damage. The precursor to sludge is oil that has become much thicker than its original design. The cause is a complex chemical reaction involving heat, combustion byproducts and oxygen combining to create chemical attack on the oil molecules. The resulting chemical reaction creates a much thicker substance that does not flow or protect as well as the original oil. When the reaction continues, sludge begins to form in areas of higher localized temperature and low flow. While some varnish is normal, sludge is a sign of excessively degraded oil that needs to be replaced. In order to inhibit sludge and varnish, the oil must resist attack by oxidation forces. Synthetic base oils have a much higher level of saturated molecules that inherently resist this constant bombardment. Additionally, antioxidants are added to either reduce the formation of free-radical oxidation precursors or soak up these precursors once they form. Another cause of oil thickening, primarily affecting diesel oils, is excessive soot loading in mechanically unsound engines. Diesel oils are designed to handle some soot contamination, but when the soot overloads the available dispersants in the oil, the oil thickens. The agglomerated soot particles reach a critical size and cause excessive wear commonly seen in diesel liners
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Old 03-17-18, 09:32 PM
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Here is the UOA. No fuel, water, or coolant contamination. The additives that Mobil 1 normally has is way low. Speculation at this point is either someone messed with the oil in the bottle or Mobil released a bad batch. Both very slim chance. (Bottle had a seal and if there was anything off I would not put it in my car) I contacted Mobil and Walmart. Waiting for my mechanic to write me a report of the damage. Slim chance I could get any help from Mobil and Walmart I think.

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Old 03-17-18, 09:34 PM
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Anyone with experience removing the intake camshaft? If Mark the teeth, can I take it off and reinstall. Want to look at bearings and oil passages.
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Old 03-19-18, 10:04 AM
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I would just remove front valve cover and take a look. By the way has the PCV valve been replaced.?
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Old 03-21-18, 02:53 PM
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Originally Posted by thomas1 View Post
I would just remove front valve cover and take a look. By the way has the PCV valve been replaced.?

yup it was removed. you can see oil goop covering the parts.
Also there is metal in the oil and oil filter.. insurance may cover this for oil tampering.

I remove the PCV and inspected it. seems to be working. rattles as it should.
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Old 03-22-18, 02:38 AM
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My father used to tell me stories that way back in the 1930's when the oil companies were first starting to stabilize the oil with chemicals, you could get the oil to turn into a gel if you mixed different brands of oil together. As a result, you were advised to stick to one brand. I don't know when the oil companies worked with each other to eliminate the problem, but by the time I started working on cars, that was no longer true. However, you would run across people in the 1970's that would tell you to not mix brands.
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Old 03-28-18, 01:53 PM
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Update.
I thought that was an old tale. did not know that actually happen. with the oil analysis it is not normal engine oil (low additives) Good news is that. Rx is scheduled for a heart transplant from the cousin - hybrid highlander. Insurance cover the cost after the deductible!

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