A question about oil consumption.
Submitted: Tuesday, Jun 12, 2007 at 19:30
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Can anyone help me out. I have recently done my first oil change in my used 3L deisel Hilux which has done 150000kms. The question I have, how long should I wait for the oil to settle down into the sump so I can take a reading of the oil level? I filled it up to the required mark drove it for around 50kms came back waited for an hour and rechecked the level. It was down slightly. Should I have waited longer or is the best to check it in the morning. Does the oil take several hours to settle properly? Or should I start to worry that something else is wrong. If this is the case what could be wrong there are no visiable leaks anywhere. I did have the Hilux for about 2000km before doing the oil change and checked oil regulary with no usage at all. Any comments please.
Reply By: gilghana - Tuesday, Jun 12, 2007 at 19:59
Tuesday, Jun 12, 2007 at 19:59
It being down slightly probably is not a problem - some oil would have accumulated in the filter after running the engine. Just top it to the mark again, run for a few minutes and then re-check after another few minutes and I am sure you will find it is spot on. If you are consuming oil then there will be other indicators - heavy greyish smoke etc. The oil should be checked when engine is warm, but if you are confident there is no major consumption/leaks then a quick check when cold will also be fine before starting off. If there are no leaks and there is a definate heavy consumption then there would be other symptoms - heavy smoking or evidence of oil in the cooling
water.
sure you will find it is quite normal,
gil
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Reply By: Exploder - Tuesday, Jun 12, 2007 at 20:11
Tuesday, Jun 12, 2007 at 20:11
yeah mate, fill it up and just run the motor for a few minuets, switch it off wait 5 or so minuets and check it, too easy.
It's probably down cause some of the oil goes into the filter, or you didin't put enough in to begin with.
cheers.
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246396
Reply By: Member - Kiwi Kia - Tuesday, Jun 12, 2007 at 20:20
Tuesday, Jun 12, 2007 at 20:20
Remember that the marks on the dip stick are max and min levels. Anywhere in between is a safe operating level. You do not have to keep the oil level at the top mark.
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246405
Reply By: jeffwa - Tuesday, Jun 12, 2007 at 21:17
Tuesday, Jun 12, 2007 at 21:17
Yes, over filling the engine can be bad bad bad. Between max and min on the dipstick is probably only half a litre or so. As long as it's on the happy side (towards the full mark) leave
well enough alone.
Too much oil pressure will blow rear main seals and wear piston rings etc.
Mine's a little over half at the moment after my change and I'm happy with it there as my rear main seal IS leaking. Having it a little lower makes the leaking rear main just a weap instead of a $800++ to fix dripping messy leak.
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246433
Reply By: Member - Barry (NT) - Tuesday, Jun 12, 2007 at 21:24
Tuesday, Jun 12, 2007 at 21:24
I think your question was related to oil change and level after changing the oil.
Simple,,,, engine hot prior to changing the oil (and filter if required), add new oil, start engine say run for1 minute fats idle (1200-1500RPM usually does it) turn engine off and check level on dipstick and add more oil if required.
It's THAT simple.
Cheers Baz
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Reply By: Member - Oldplodder (QLD) - Wednesday, Jun 13, 2007 at 08:00
Wednesday, Jun 13, 2007 at 08:00
Oil level is normally checked when warm to cold, not hot.
As above, run for 5 minutes to circulate the oil to fill galleries and the filter.
Turn off and let sit for 5 minutes, do a check.
I usually find that there is 1/2 litre difference (higher on the dipstick) between when the engine is switched off and 5 minutes later.
Once you have a reading on the dip stick, say just below the full mark, you can then check it for changes each day or week, depending on kilometres being done.
Wouldn't worry about topping it up until it gets to a couple of millimetres above the low reading. You will get a feel about how much oil you use and when it will need it.
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246497