I had a 2 micron filter in my 4wd but was told to swap it for a 30 because the thinking was it was too restrictive, meaning if it got blocked I would be in worse trouble? I currently have the 30 micron. Very confusing topic.
I have a 5 micron, CAT filter before the factory filter. It separates water, no warning system. So beyond that if the factory filter is 5 Micron or more it should be doing no work at all. It just acts a water alarm from where it sits in the worst case scenario. Any less than 5 Micron could be little harsh. It also depends on what your fuel source is too, I am in a larger city so mostly okish quality, heard there are some bad stories as you move to the wider landscape.
It claims 10 microns. Not sure why you would but a smaller or equal micron filter before the OEM. It makes sense to “step down” the filter process - but that has been covered with various schools of thought either Pre/Post.
Can anyone vouch for the micron size in the Prado OEM filter as the above claim from Toyota could be generic and not specific to the Prado
on the 1GD , i was told that the factory replaceable filter is 10 micron , but the non serviceable filter on the block is down to 2 micron. ive no written proof of that but it makes sense
To get an idea of how good a filter is you need to know it's micron rating and efficiency. A 10 micron filter may only be 85% efficient so 15% of all particles 10 micron or larger will still pass through.
It claims 10 microns. Not sure why you would but a smaller or equal micron filter before the OEM. It makes sense to “step down” the filter process - but that has been covered with various schools of thought either Pre/Post.
Can anyone vouch for the micron size in the Prado OEM filter as the above claim from Toyota could be generic and not specific to the Prado
2019 GXL, Bullbar, UHF, Redarc Brake Controller, Tow Bar, Secondary Fuel Filter
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