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Anonymous
Overheating breaks down oil? 2017-09-17 03:24:51 Post No. 17892493
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Overheating breaks down oil? 2017-09-17 03:24:51 Post No. 17892493
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I recently had an overheating scare when the previous owner didn't bleed the coolant properly, the needle moved to the red zone while idling, I turned off the car and limped home with the heater on full blast.
Did my compression test and it was 200 across the board so the engine was okay, and bled my coolant.
What I didn't do until last night was change my oil for a good 500km after the overheating incident.
The engine felt sluggish and sounded little rough, the oil was black when I changed it. After I changed it, the engine sounded smooth and felt very Good, smooth.
I was wondering if the extreme heat rendered my oil useless enough to damage my engine? Severely reduce engine life?
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>>17892493
heat and friction are what break down oil
so naturally extreme heat can break down oil even faster, as its only designed to operate in a certain temperature range
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>>17892537
Shit, so how badly did I fuck up the engine?
Was I riding with the equivalent of water in my engine?
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>>17892554
Probably not as bad as you think. Engines can take a lot more abuse than you think.
The most common issue with overheating is warping the head which causes the headgasket to lose its seal. If that happens you're fucked. Otherwise you'll be fine. Id to an engine flush just to be safe, but if you can see white smoke or fluid leaking from the head, i wouldnt worry to much about it.
With all of that said, you definitely reduced the life of your engine but its impossible to tell how much.
Sending a sample of the oil that was overheated to a lab for analysis would be the only way to get a clue.
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>>17892576
>but if you can see white smoke or fluid leaking from the head, i wouldnt worry to much about it.
*cant
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>>17892493
https://540ratblog.wordpress.com/
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