Oil Dipstick Level
#16
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This is probably as good an explanation as any
https://www.jdpower.com/cars/shoppin...il-in-your-car
"When too much oil is added, the level in the oil pan becomes too high. That allows a fast-moving lobed rod called the crankshaft to come into contact with the oil and essentially aerate it. The result is a foamy, frothy substance that cannot properly lubricate the engine. Think of this as your engine’s way of turning cream into whipped cream. No one wants whipped cream lubricating their engine.Also of concern, the extra oil creates excessive pressure inside your engine that will look for an escape through various gaskets and seals. If one or more of those fail, that will lead to leaks and costly repairs."
https://www.jdpower.com/cars/shoppin...il-in-your-car
"When too much oil is added, the level in the oil pan becomes too high. That allows a fast-moving lobed rod called the crankshaft to come into contact with the oil and essentially aerate it. The result is a foamy, frothy substance that cannot properly lubricate the engine. Think of this as your engine’s way of turning cream into whipped cream. No one wants whipped cream lubricating their engine.Also of concern, the extra oil creates excessive pressure inside your engine that will look for an escape through various gaskets and seals. If one or more of those fail, that will lead to leaks and costly repairs."
#17
Lead Lap
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I always wondered how much oil was actually too much oil? I have run maybe a half qt to qt over sometimes in other vehicles had really had no noticeable issue. Next oil change I made sure to be precise.
#18
Racer
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My old pathfinder calls for 3.8 quarts and I always put 4 in.
For the GX, it’s 8.2 but I just put in 8. I think between the low and high mark on the dipstick is about 1 quartz.
For the GX, it’s 8.2 but I just put in 8. I think between the low and high mark on the dipstick is about 1 quartz.
#19
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#21
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So the oil in my GX460 was last changed at the dealer I bought the car from (non Toyota/Lexus) almost a month ago and it was showing pretty high on the dip stick. Based on the info on this thread and not knowing for sure whether the dealer used synthetic oil, I took it to a local Toyota dealer for a $64 synthetic oil change, which I considered a decent price. I typically change my own oil but since my truck is still under power train warranty, I thought it best to have documented Toyota/Lexus oil change. Anyway, I get home and take a closer look at the invoice (I know, I should have done that at the dealership), and see they added 9qt of oil! I checked the dipstick and the level looks to be about 1/4" above the high level mark.
So, is that high enough to be of concern? Should I take it back to get some taken out?
Thanks.
So, is that high enough to be of concern? Should I take it back to get some taken out?
Thanks.
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