I have a 1995 Toyota Camry and have overfilled the engine oil, does this cause catastrophic problems? should I drain some out?
From the end of the dipstick to the top of the full mark measures 35mm, I have filled it to 60mm.
I have a 1995 Toyota Camry and have overfilled the engine oil, does this cause catastrophic problems? should I drain some out?
From the end of the dipstick to the top of the full mark measures 35mm, I have filled it to 60mm.
i would empty some out.
Boris said:
i would empty some out.
Aint easy for me to do, if I don’t, is it likely to cause mechanical damage?
Bit messy but you could drop some out the sump plug. Probably wouldn’t matter, depends if any crank splash etc. Some vehicles it goes into the engine intake via the pipe work that extracts engine fumes and burns them(pollution control), and causes the engine to rev madly and you can’t turn the engine off.
that much overfill could cause problems.
transition said:
Bit messy but you could drop some out the sump plug. Probably wouldn’t matter, depends if any crank splash etc. Some vehicles it goes into the engine intake via the pipe work that extracts engine fumes and burns them(pollution control), and causes the engine to rev madly and you can’t turn the engine off.
transition, thanks, it hasn’t happened yet, it it likely to sneek up on you? would what you say only happen with diesel engines?
in diesels it is called black stacking.
>transition, thanks, it hasn’t happened yet, it it likely to sneek up on you? would what you say only happen with diesel engines?
yeah guess would mostly be with diesels, they have the compression to burn varporized oil, in petrols if more sump vapor it’ll go around via the vacuum from the intake, possibly cause some white oil smoke from exhaust.
if it were seriously overfull and crank were running in the oil this’d put more stress on the crankshaft, but in your case doubt it that full.
back in the old days rather than recycling sump vapor they just had a breather pipe hanging down, which was always handy to help get an idea how knackered the rings were, because the ring/piston blowby/bypass would be evident out the pipe.
How hard is it to undo the sump plug?
Messy for sure, but you took it out to drain the oil in the first place.
Teleost said:
How hard is it to undo the sump plug?Messy for sure, but you took it out to drain the oil in the first place.
No didn’t drain oil, just overfilled whilst topping up.
buy clean bucket
put under sump plug
undo sump plug
drain into clean bucket
put sump plug back on
look up correct amount of oil to put in engine
fill up engine with correct amount of oil
drain a bit out when engine is not too hot, otherwise it’s a pain in the arse.
courier here has worst dipstick ever, tends to wipe oil off as getting it out, and with clean oil it’s a headfuck.
You could try siphoning some of the oil from the hole where the dipstick goes into the engine (what’s that called?).
bob(from black rock) said:
Teleost said:
How hard is it to undo the sump plug?Messy for sure, but you took it out to drain the oil in the first place.
No didn’t drain oil, just overfilled whilst topping up.
I never top up.
I figure that If I need to top up, there’s a bigger problem and go looking for leaks or why it’s being burnt.
AussieDJ said:
You could try siphoning some of the oil from the hole where the dipstick goes into the engine (what’s that called?).
It’s called the hole where the dipstick goes – or in technical language, the dipstick tube. ;)
Teleost said:
AussieDJ said:
You could try siphoning some of the oil from the hole where the dipstick goes into the engine (what’s that called?).It’s called the hole where the dipstick goes – or in technical language, the dipstick tube. ;)
>what’s that called?).
oil level measurement facilitating dipstick insertion tube, let me know if you want the full technical term.
Teleost said:
bob(from black rock) said:
Teleost said:
How hard is it to undo the sump plug?Messy for sure, but you took it out to drain the oil in the first place.
No didn’t drain oil, just overfilled whilst topping up.
I never top up.
I figure that If I need to top up, there’s a bigger problem and go looking for leaks or why it’s being burnt.
If you don’t see some oil useage, look to where the contamination is coming from.
transition said:
>what’s that called?).oil level measurement facilitating dipstick insertion tube, let me know if you want the full technical term.
Anyway, I’ve seen a siphon arrangement at my local mechanic’s establishment. I assume it’s for removing oil when the sump plug is seized.
If you’re changing your oil at 5000 Km, you’ll see bugger all use in a modern engine.
Teleost said:
If you’re changing your oil at 5000 Km, you’ll see bugger all use in a modern engine.
jjjust moi said:
Teleost said:
If you’re changing your oil at 5000 Km, you’ll see bugger all use in a modern engine.
Who changes the oil at 5k in a modern engine?
I’d like to say that I do, but I’m terrible at remembering.
On the bike (scooter) however I do it like a Catholic says “Our Father”.
>I’ve seen a siphon arrangement at my local mechanic’s establishment. I assume it’s for removing oil when the sump plug is seized.
plug nut head can get rounded from wrong socket or spanner size, or it slipping off, and previous overtightening doesn’t help. The remedy often is to weld a good size nut on it, then once off get a new sump plug, and not overtighten and use wrong size socket/….
transition said:
>I’ve seen a siphon arrangement at my local mechanic’s establishment. I assume it’s for removing oil when the sump plug is seized.plug nut head can get rounded from wrong socket or spanner size, or it slipping off, and previous overtightening doesn’t help. The remedy often is to weld a good size nut on it, then once off get a new sump plug, and not overtighten and use wrong size socket/….
but why not design an engine so it cannot be over filled with oil?
CrazyNeutrino said:
transition said:
>I’ve seen a siphon arrangement at my local mechanic’s establishment. I assume it’s for removing oil when the sump plug is seized.plug nut head can get rounded from wrong socket or spanner size, or it slipping off, and previous overtightening doesn’t help. The remedy often is to weld a good size nut on it, then once off get a new sump plug, and not overtighten and use wrong size socket/….
but why not design an engine so it cannot be over filled with oil?
:)
>but why not design an engine so it cannot be over filled with oil?
well I suppose you could if you don’t have a sorta wet sump system, where the pan is full open for oil recovery from crankcase etc(ignoring splash baffles for a moment), which for some offroad/racing engines/vehicles is probably necessary, but the situation is there’s a large space of mosty air in the lower block and elsewhere, just waiting to be displaced by oil I suppose, that’s why there’s measurements for the volume of oil given in service manuals, and those little marks on dipsticks. The crankcase etc inside get’s a wash regularly, the oil catches any moisture too, the oil mist in the crankcase helps with lubrication too, like piston pins, cylinder walls….
It’s a little more complicated that filling a coffee cup granted, but worse you can’t see how full it is, though some engines have a opaque viewer for seeing the oil level. Perhaps I could install one of them on the side of my coffee cup.
opaque, meaning…..transparent….hmmm
i change my oil every 5000km. $20 worth of oil and $6 for a filter. mind you i have a labour free mechanic.
but why not design an engine so it cannot be over filled with oil?
basically because sensible people don’t always wish to incur costs because of stupid people.

I clicked on ‘comment’, stumpy, but it doesn’t work :)
My car’s manual says that the catalytic convertor can be damaged by over filling the oil.
I would guess that an overfilled sump may cause oil to pass the rings and get burnt.
pommiejohn said:
My car’s manual says that the catalytic convertor can be damaged by over filling the oil.
I would guess that an overfilled sump may cause oil to pass the rings and get burnt.
I’ve always been told that overfilling is not good for a car motor, but stationary motors should be filled over the full line
Overfilling isn’t a problem unless you turn the motor on and start driving it. One can overfill and drain the oil all day long if it rocks your boat.
roughbarked said:
Overfilling isn’t a problem unless you turn the motor on and start driving it. One can overfill and drain the oil all day long if it rocks your boat.
Long time ago, I was a new driver myself at the time:
Some over-eager/newbie pump-jockey
working on sales commission jumped under my hood
didn’t take into account that the oil was still circulating
through the engine (as opposed to pooled in the oil pan)
took it upon himself to Add A Bottle while I was inside.
Long story short:
I paid for bill, and took off down the highway. dint get far
BLEHBLEHBLEH! SMOKING! CHOKING! CONKED OUT!
The oil had backed up, fouled the plugs and rings cylinders
all in all cost hundreds of dollars in mechanic bills to clean
out the mess… the pump jockey denied all involvement. /-:
Lesson learned; check your own oil before leaving home.
jjjust moi said:
Who changes the oil at 5k in a modern engine?
I religiously change the oil at the 5 year mark (or at least consider changing it). My last car did over 600,000km. The one before that did 1.4 million km.
Changing the oil too often is very good business for the oil companies.
fsm said:
Changing the oil too often is very good business for the oil companies.
Interesting. I knew a bloke who looked after a fleet of diesel engines and changed from programmed (ie, fixed number of operating hours) oil replacement to necessary (ie, determined by lab analysis of the oil). Saved the mob a few million a year, and had fewer lubrication-related engine problems.
Rule 303 said:
fsm said:Changing the oil too often is very good business for the oil companies.Interesting. I knew a bloke who looked after a fleet of diesel engines and changed from programmed (ie, fixed number of operating hours) oil replacement to necessary (ie, determined by lab analysis of the oil). Saved the mob a few million a year, and had fewer lubrication-related engine problems.
Also picks up abnormal engine wear by metals analysis.
Changing engine oil is a bit like defragging your computer. Gives you peace of mind.
Changing engine oil is a bit like defragging your computer. Gives you peace of mind.
lol. no.
The modern diesel engines get the lubrication dirty very quickly because of the pollution reduction system that recycles some of the exhaust.
The Triton gets an oil change every 15k along with the service and the oil is black and gritty by then.
if it is like that at 15k pwm i’d change it earlier.
>The Triton gets an oil change every 15k along with the service and the oil is black and gritty by then.
if it’s a diesel it’s going to go black, if there’s grit that was already on your fingers.