Oil - Where does it go ??
08-22-06, 06:27 PM
#1
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Oil - Where does it go ??
OK.....this could be the dumbest question ever, or something is going on here. Obviously I know where I put oil into the motor. I have about 4k on this oil change and I thought I would run outside to check the oil level and see how it looks. Perfect as usual.....level is good, and the color still looks nice and yellowish after 4k miles. I'll probably take it in for a change in about 500-1000 miles. For the hell of it, I thought I would open the oil fill cap and look inside just to see how things look.....that's when I saw that there is no place for the oil to go ! At least that's how it looks.....So, I'm kind of freaked out here. Is something wrong or am I missing something. I've owned the car for about 1.5 years now and I've never looked in there; have always taken it in for the oil changes. I would assume you could look right into the motor, like on previous cars I've owned. Also, I should mention that it is a 2000 ES300 w/ 80k on it. Oil has always been changed around 4000 miles.
I've attached some pics......please tell me what I'm missing.
I've attached some pics......please tell me what I'm missing.
Last edited by nkt001; 08-22-06 at 07:11 PM.
08-22-06, 07:21 PM
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08-22-06, 09:35 PM
#8
Lexus Test Driver
If you look closely, when oil is poured in, it actually goes to the side, there should be a slit that allows the oil run down. I'm guessing that plate is so you won't drop anything in there.
08-22-06, 10:45 PM
#9
Welcome to a long-used feature on Toyota/Lexus/Scion engines.
On any externial opening in the valve cover. (Oil filter, Crankcase breather, and PCV valve). Toyota puts a baffle (literally, a shield covering the opening). That way, if oil is slung in that general direction, it hits the baffle instead of hitting what's there.
There's relatively very little oil in the head<s> of most engines, but the cams in DOHC, and the rockers / pushrod assembly throws oil everywhere.
In other words. Ya know the actualy crankcase breather? The line that has no valve that runs from the front head (left hand bank) to pre-throttlebody intake? It has no valve, yet sucks in little oil. That's because it's breathered.
If Chevy were to do that on their monstor v8's. They probably would half the oil consumption over a 5,000 mile period.
On any externial opening in the valve cover. (Oil filter, Crankcase breather, and PCV valve). Toyota puts a baffle (literally, a shield covering the opening). That way, if oil is slung in that general direction, it hits the baffle instead of hitting what's there.
There's relatively very little oil in the head<s> of most engines, but the cams in DOHC, and the rockers / pushrod assembly throws oil everywhere.
In other words. Ya know the actualy crankcase breather? The line that has no valve that runs from the front head (left hand bank) to pre-throttlebody intake? It has no valve, yet sucks in little oil. That's because it's breathered.
If Chevy were to do that on their monstor v8's. They probably would half the oil consumption over a 5,000 mile period.
08-23-06, 12:09 AM
#10
Lexus Champion
My old ES looked similar when I popped the oil cap. One reason I sold the car was because it looked like that. My friend's 96 looked immaculate when compared.
08-23-06, 09:56 AM
#11
Oil buildup & burning on that particular area ia 100% inconciquential. It's going to happen to some extint unless you are actively cleaning it.
The oil cap gaurd is not a good place to judge the cleanlyness of the inside of the engine. If you want to do that, you have to take the valve covers off & drop the oil pan.
The oil cap gaurd is not a good place to judge the cleanlyness of the inside of the engine. If you want to do that, you have to take the valve covers off & drop the oil pan.
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