best way to check oil?
#21
Originally posted by ganthet
Somebody told me its because when I started the engine and drove 2 blocks, the oil had been sucked up into the engine and I was seeing a more true reading. I was told the reason it read full after extended driving was because the oil was hotter and therefore expanded and filling the pan more.
So, here I am, still unsure how to tell if I need oil or not!
Somebody told me its because when I started the engine and drove 2 blocks, the oil had been sucked up into the engine and I was seeing a more true reading. I was told the reason it read full after extended driving was because the oil was hotter and therefore expanded and filling the pan more.
So, here I am, still unsure how to tell if I need oil or not!
After a 2 block drive, your oil is indeed "pumped" to all parts of the engine, BUT, it has had insufficient time to heat up and consequently, after shut the engine down while you were fueling up, the "coolish" oil does not drain well to return to the oil pan. You want as much oil as possible in the oil pan for a "true" reading as the amount that is "stuck" up in all the engine parts varies considerably with the temp of the engine and the length of time you have given the oil to drain back down. Checking the oil after a cold start and only driving 2 blocks is NOT a good time to check the level. In fact, this may the WORST time to check the oil for the reasons I just gave.
If you are going to start the engine, run it till you can be certain that all the oil has reached operating temp, then give it sufficient time to drain down properly. And, as S2000guy has shown us, 10 minutes standing time is more or less equivalent to letting it stand overnight. However, checking the oil after about 3-4 minutes wait is just fine as the difference will only be no more than 1 "X" if you know how to check the oil correctly. (ie. Pull stick, wipe, leave out, go fuel up, come back and put stick in, pull out, take a read. In the morning before starting engine - pull stick out, wipe, put stick back in, pull out, take read.)
#25
Originally posted by TubeDriver
I don't think anyone mentioned that if using the dipstick you want to be on as level a surface as possible.
I don't think anyone mentioned that if using the dipstick you want to be on as level a surface as possible.
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