I have changed oil in countless vehicles countless times. However I have never tried to change just the filter with out draining the crank case first and changing the oil. Can you just change the filter or will all your oil come out when you take the filter off? It is a stupid question whith an obvious answere I know but have never tried.
Stupid oil filter question?
- Thread starter BRASMAN
- Start date
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LibertyOrDeath
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Every engine I have seen you can change the filter and only need to replace the oil that is in the filter.
jeepkj02
Full Access Member
It a good idea to wait until the engine cool down (oil drains back into the pan) to remove the oil filter. Add about 1/2 qt of oil into the filter and top off as needed.
tjkj2002
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Why in the would you just change the filter and not the fluild? You that cheap to spring for the other 4qts of oil?
sevenhelmet
Full Access Member
x2. If your oil is dirty enough to warrant a filter change, it's probably time for new oil anyway... right?
jeepkj02
Full Access Member
Maybe he is using a higher interval oil, like Amsoil, and needs a filter change before a oil change.
That was my thought any way. I may not ever do it but wanted to know.
My Dad works in a plant where they did a test on a machine and they ran it for 10yrs on the same oil and switched filters with a by pass thing while the machine kept running. After ten years the oil did start to break down but was very clean. NO I am not going to drive my Liberty for ten years without changing the oil.
JeepJeepster
Full Access Member
You can change out just the filter with no problems. I find it best to fill the oil filter up with oil then let it sit for awhile. It will soak all the oil up and not spill back out this way. It will also reduce the amount of time that the engine is without oil(while the filter fills up)
