3rd & 4th Generation (1992–1996 & 1997–2001)Toyota Camry Discussion for years: 1992-1996 & 1997-2001
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I hate for my first post to be a question..but my car's kind of a huge nessecity hehe. Anyways...It all started when I was careless and overfilled my oil. Way over filled it. I only dove it about a mile, maybe two, after that, then realized my mistake, and drained it to the proper level. The car then ran fine after for about a 45 minute drive, and then suddenly stalled. I was able to start it back up, but it stalled again shortly after. I gave it another try and it drove me the remaining 10 minutes it took to get back home. So, I tried starting it the other day, and the car wouldn't start on it's own, I had to give it a little gas. So I did that, and it came to life, but there was a rattling, but more like a loud repetive knocking coming from the top of the engine, under the valve cover. (i'm not very car-literate). Anyways, I called my step dad who's pretty good at this kind of thing. He said it sounded like the timing belt jumped a tooth or something. But then he thought about it, and said he thinks it might be the oil pump. Hopefully it's not the oil pump..because that's about 90 dollars more than a timing belt.
So, my question to you guys is..what do you think it is? Timing Belt? Oil pump? Something else? Thanks!
Last edited by tokyomosnter; 10-03-2006 at 08:37 AM.
It wouldn't be the timing belt, or oil pump.
You can over-fill the oill as far as you want until you fill it up to the bottom of the piston travel. It simply degrades engine performance & tends to leak out of seals that are not designed for that application.
My guess would be that you drained too much oil out of it.
Get a stethescope & triangulate the position of the knocking. If it's in the block you probably roasted a rod bearing. If it's in the top it could be a valve out of adjustment, or a cam bearing shot.
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I live in cleveland, lakewood to be exact, but the car just got towed down by my step dad, to ravenna. The thing is, we couldn't have drained too much, because we checked the levels as we were draining it, and i've checked it twice after and it was at the full line. now, some of the oil in there may be old and dirty as hell, because i've waited long than i should have on an oil change,but yeah, there was def. oil in there the whole time.
what it seems like is that the oil was just too thin/gross/old and that that may have been the culprit, since it hasn't been changed since feburary. What kind of damage could that cause? what should i look for? someone at work told me i may have damaged my motor.
i think for now, we're just going to drain all the oil, add new oil, add a new oil filter, and see where that takes us.
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I think excessive oil went thru your bypass hose and clogged your IAC valve. Remove your intake hose, spray some sensor safe TB cleaner, esp into the little hole where the IAC valve is. You can usually hold the throttle with one hand around 2000rpm, while spraying TB cleaner. Engine will guggle a bit while you spray, so spray sparingly.
my step dad still seems to believe it's the oil pump, which may be the case. we took off the oil pressure switch, and hooked up a gauge, and when we started it, the gauge didn't move. we then took off the gauge, and he held his finger up to it, and he said he didn't feel anything. I'm not very convinced that this was accurate, because the gauge ma have been busted, and documentation said that oil pressure should only be about 4. 3 psi at idle anyways, which is what we tested.
anyways, anyone know if this theory holds up? he thinks the oil pump was on it's way out anyways. could there be anything else that's messing up the oil pressure?
You can over-fill the oill as far as you want until you fill it up to the bottom of the piston travel. It simply degrades engine performance & tends to leak out of seals that are not designed for that application.
Well your answer is mostly correct. Although i gotta say there are other issues that can be caused by overfilling too.
For example, if oil level is too full, the crank can whip around in the oil in the pan, and this can turn the oil into foam which doesnt lubricate well - and this will also throw up too much oil onto your cylinder walls, and foul your rings and plugs and cause them rings to gum up and stick from too much oil burned onto them.
But as you say, the point is it is much better not to overfill in the first place of course.
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