Most common benchmark for changing air filter
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Senior User
Joined: Jul 2005
Posts: 449
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Most common benchmark for changing air filter
Just curious how most approach when to change the air filter. I just did it every 30,000 miles or so before I read on here that there is a dash icon indicating when it is time to change it. My filter minder does not change much, the smaller yellow ring is now at about 65% and I have 41,000 miles on it. So just curious what those in the know do here, thanks for any input. I am thinking this time I will wait until the dash light comes on: this is what happens when you retire...you become way more patient.
By the way, I struggled and fought changing that thing before watching the video that is widely available and reading up on it in the tech folder...there is an easier way!
By the way, I struggled and fought changing that thing before watching the video that is widely available and reading up on it in the tech folder...there is an easier way!
Post Fiend
Joined: Oct 2002
Posts: 11,314
Likes: 4
you can note where the filter minder is, reset it, and drive for a bit to ensure the filterminder is working to indicate it needs to be changed....
depending on WHERE you drive (dirt rods or interstates) you may go 100,000 miles with the monstrous filter...
drops in mpg or performance could indicate a need to change it..
depending on WHERE you drive (dirt rods or interstates) you may go 100,000 miles with the monstrous filter...
drops in mpg or performance could indicate a need to change it..
Mountain Pass
Joined: Sep 2005
Posts: 237
Likes: 6
I bought my truck used with 40K miles on it. I changed the AF when the filter minder showed about 25%, which was about 100K miles. I now have 130K miles and the filter minder is about half way to 25%, or appx. 10%. For the next AF change, I would feel comfortable up to 50%. At the rate that I am going, that should be sometime in 2019
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New User
Joined: Feb 2011
Posts: 7
Likes: 0
the filter minder is used on prettymuch all medium and heavyduty diesel applications.. it is there to stop you from taking the filter out and banging it to remove the dirt thereby perhaps causing damage to the element as well as letting dirt into your intake system.
If you know more than the engineers that designed the systems then go ahead and waste your money on filters!!!!!!!!!!!!1
If you know more than the engineers that designed the systems then go ahead and waste your money on filters!!!!!!!!!!!!1
Elder User
Joined: Aug 2010
Posts: 675
Likes: 1
From: NV
the filter minder is used on prettymuch all medium and heavyduty diesel applications.. it is there to stop you from taking the filter out and banging it to remove the dirt thereby perhaps causing damage to the element as well as letting dirt into your intake system.
If you know more than the engineers that designed the systems then go ahead and waste your money on filters!!!!!!!!!!!!1
If you know more than the engineers that designed the systems then go ahead and waste your money on filters!!!!!!!!!!!!1
The filter minder is there to measure the pressure drop between the filter and the turbo. As the filter becomes plugged the colored piston is moved by the lower intake pressure. That is why one poster suggested resetting the filter minder occassionally to make sure it is working.
Knocking some of the heavier dust out of the element will extend the filter useful life. If you re-read the original post you will find that I said that I knock the dust out when I have the filter off for other repairs. That would be for a cooler replacement, a turbo cleaning and a water pump replacement. The filter has a heavy case and would not be damaged by gentle taps on the ground, I do not use a 2x4 or a hammer!
By the way I have worked for over ten years for a large diesel manufacturer and several years for a large diesel distributor. How is cleaning dirt out of a filter while you have it off the engine wasting money on filters???????????????
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Laughing Gas
Joined: Dec 2004
Posts: 886
Likes: 0
From: NC
I changed mine at 80,000 miles. The filter minder said it was ok and it looked really good when I pulled it out. It had been in there 5 years and 80,000 miles so I figured it deserved a new air filter so I put it in!
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Post Fiend
Joined: Oct 2009
Posts: 12,123
Likes: 35
From: N. Fort Worth, tx
i have 60k on mine its still going good. I live in town and pretty much stick to the city. I may change it soon anyway
New User
Joined: Feb 2011
Posts: 7
Likes: 0
changing air filters
I am guessing that your comments are aimed my way since you to refered to banging the dust out of filters.
The filter minder is there to measure the pressure drop between the filter and the turbo. As the filter becomes plugged the colored piston is moved by the lower intake pressure. That is why one poster suggested resetting the filter minder occassionally to make sure it is working.
Knocking some of the heavier dust out of the element will extend the filter useful life. If you re-read the original post you will find that I said that I knock the dust out when I have the filter off for other repairs. That would be for a cooler replacement, a turbo cleaning and a water pump replacement. The filter has a heavy case and would not be damaged by gentle taps on the ground, I do not use a 2x4 or a hammer!
By the way I have worked for over ten years for a large diesel manufacturer and several years for a large diesel distributor. How is cleaning dirt out of a filter while you have it off the engine wasting money on filters???????????????
The filter minder is there to measure the pressure drop between the filter and the turbo. As the filter becomes plugged the colored piston is moved by the lower intake pressure. That is why one poster suggested resetting the filter minder occassionally to make sure it is working.
Knocking some of the heavier dust out of the element will extend the filter useful life. If you re-read the original post you will find that I said that I knock the dust out when I have the filter off for other repairs. That would be for a cooler replacement, a turbo cleaning and a water pump replacement. The filter has a heavy case and would not be damaged by gentle taps on the ground, I do not use a 2x4 or a hammer!
By the way I have worked for over ten years for a large diesel manufacturer and several years for a large diesel distributor. How is cleaning dirt out of a filter while you have it off the engine wasting money on filters???????????????
If you have ever taken the time to read some of the literature provided by companies such as Donaldson, Baldwin, etc. you would see that in most diesel applications they suggest using the filterminder to monitor filter condition and not to remove the element and look at it to determine if it is good or not. They specifically mention not to bang the element to remove dust as you risk damaging the element. Additionally the coating of dirt on the outside increases the effectiveness of filtration {their words not mine}
I've worked in the truck and heavy equipment business for a long time and have seen a lot of wasted money on air and fuel filters
Elder User
Joined: Aug 2010
Posts: 675
Likes: 1
From: NV
If you have ever taken the time to read some of the literature provided by companies such as Donaldson, Baldwin, etc. you would see that in most diesel applications they suggest using the filterminder to monitor filter condition and not to remove the element and look at it to determine if it is good or not. (1.) They specifically mention not to bang the element to remove dust as you risk damaging the element. Additionally the coating of dirt on the outside increases the effectiveness of filtration {their words not mine} (2.)
I've worked in the truck and heavy equipment business for a long time and have seen a lot of wasted money on air and fuel filters
I've worked in the truck and heavy equipment business for a long time and have seen a lot of wasted money on air and fuel filters
2. If you would read the posts you would know that the only time this happens is when the filter has been removed for other repairs and the dust has already been disturbed.
Elder User
Joined: Aug 2010
Posts: 685
Likes: 0
From: Ft. Worth, TX
One question about the filter minder.... does the truck need to be running to read it? Mine is always at the far end of it when I check (farthest away from needing to be changed). I've got 50k on the truck and I don't believe the filter has ever been changed (bought the truck with 36k on it).
