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Diesel oil change

Old 03-27-2011, 01:32 PM
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Default Diesel oil change

Guys,

I am going to start doing my own oil changes on my ford 7.3 diesel.

I am assuming this is pretty straight forward, can you make recommendations on a brand of oil, air and fuel filters?

I am planning this interval:

Oil 7500 miles
Fuel 15000 miles
Air 15000 miles

Is there anything I'm missing?
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Old 03-27-2011, 02:01 PM
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Yes, you will need a really big container to catch the oil, I think they take about 12 quarts to fill so about that much should come out, minus the amount in the filter.That's the biggest reason I don't do my Duramax, I just don't have a big enough catch container.
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Old 03-27-2011, 03:36 PM
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Originally Posted by JALICHTY View Post
Yes, you will need a really big container to catch the oil, I think they take about 12 quarts to fill so about that much should come out, minus the amount in the filter.That's the biggest reason I don't do my Duramax, I just don't have a big enough catch container.
Agreed on the big oil catch container. I did the math on doing my own oil changes (2008 Ford 6.4) and it worked out to be the same at the local quick change. But, if I did it myself I wouldn't be saving any money and would have to dispose of all that oil.

I decided on the local quick change, have gotten to know them well, yet still watch them like a hawk.
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Old 03-27-2011, 03:57 PM
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Originally Posted by dadriva View Post
Agreed on the big oil catch container. I did the math on doing my own oil changes (2008 Ford 6.4) and it worked out to be the same at the local quick change. But, if I did it myself I wouldn't be saving any money and would have to dispose of all that oil.

I decided on the local quick change, have gotten to know them well, yet still watch them like a hawk.
Same thing happened to me. I decided last winter to do all my own oil changes. 3 diesel trucks. I go into Auto Zone, get a carriage, picked up oil, filters and while on line to pay I did the math and it came to $20 per truck more than I would have paid the quick change place.

The only plus is that I get to choose the quality of products.
That's not nearly enough plus side for me to get dirty.
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Old 03-27-2011, 03:59 PM
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Wally World for Shell Rotella, go to HDepot and get the blue rolling 5 gallon bucket (mop bucket) which should fit under. I modified my bucket with a drain, when done empty the bucket back into the gallon jugs and recycle. A straight up 5 gallon pail is a little too high for std trucks. Also, be careful, 3 gallons of oil comes out with a lot of force.
I'm doing my fuel filter at 25k, and relying on water indicator lite. Air filter is K&N (I know guys) gets cleaned about every 10K.
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Old 03-27-2011, 05:30 PM
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Mine is a 2002 and it takes 15 quarts with a filter change. I been using the Chevron oil that Costco sells for 83,000 miles.
Tried using Mobil 1 syn oil for diesels and my truck would use about 3 quarts between changes so I went back to the dino stuff.
After you remove the drain plug and drain the oil put the plug back in and move the pan under the filter. Punch a hole in the bottom of the filter with a chisel and allow the oil to drain out of the filter. Makes removing it a lot less messy.

I do not remember where I bought my catch pan but it is round and yellow and holds about 5 gallons. It even has a drain spout with a cap on the side. Should be easy to find in any auto part store.
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Old 03-27-2011, 07:36 PM
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Originally Posted by JALICHTY View Post
Yes, you will need a really big container to catch the oil, I think they take about 12 quarts to fill so about that much should come out, minus the amount in the filter.That's the biggest reason I don't do my Duramax, I just don't have a big enough catch container.
A 5 gallon bucket works just fine under the oil pan on my F-250. And no, it's not lifted. Bone stock truck.
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Old 03-27-2011, 07:42 PM
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Originally Posted by dadriva View Post
Agreed on the big oil catch container. I did the math on doing my own oil changes (2008 Ford 6.4) and it worked out to be the same at the local quick change. But, if I did it myself I wouldn't be saving any money and would have to dispose of all that oil.

I decided on the local quick change, have gotten to know them well, yet still watch them like a hawk.

Caught the bastards trying to pull a fast one on me last time I went in to the quick change joint. I had just had the truck in for 100,000 mile fluid change at the service garage I have used for years so I knew all the fluids were good. The little puke in the pit came up with this tray of "samples from your truck" which of course showed many problem areas. Supposedly the rear diff and the center diff along with the transmission fluid were in dire need of replacing due to being either worn out or contaminated. It reminded me once again why I nearly always do it myself.
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Old 03-27-2011, 07:56 PM
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Don't do it, it's a pia. I go to mobile one and used delvac 1300 recently in my 7.3. I learned they would have let me bring the extra couple gallons of delvac I got at wally world. The oil filter is at a funny angle on my 7.3 and the oil ran up my armpit. I guess you could knock a hole in the bottom and drain the filter.

I found little savings DIY and love the delvac, I think it's the best.

Use the fuel filter from autozone that has the attachment to use a half inch drive ratchet, piece of cake. Changed mine today.

Your intervals are good.
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Old 03-27-2011, 08:07 PM
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Intervals are fine. I like to do my trucks maintenance myself, takes me no more time than it would to take it to a jiffy lube shop and I have alot more faith in the work I do on my own truck than the work someone else does. I do all of my own maintenance and repair work, transmissions aside.
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Old 03-28-2011, 11:44 AM
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Yup 15qts including filter...I punch a couple holes in filter w/a pick and let her drain b4 taking it off...like was said, makes it much easier to deal with. Its actually quite ez to change the oil since u can just crawl right under the truck (2k X 4wd 7.3PSD). 219k miles Rotella and Ford filter from wally world.
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Old 03-28-2011, 12:00 PM
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Wally world here too for my oil changes. Mine sells Motorcraft 15W40 diesel oil in a 5 qt jug. 3 jugs of that and a Motorcraft FL1995 filter and I'm out the door. It does take 15 qts. Just changed mine on Saturday and I go 5,000 miles betweeen changes.
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Old 03-28-2011, 12:58 PM
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7500 miles is too long for oil change on the 7.3 if you are using dino oil. If running synthetic then maybe with a good filter. Trust me, I've done the homework. The HPOP (3000 p.s.i.) on the 7.3 is very hard on oil and breaks it down quickly. Most people don't understand it. I run Mobile 1 15w-40 Turbo Diesel or Amsoil...Valvoline Premium Blue is also good. Go over to www.powerstroke.org and do a search. It's been discussed over and over and over.

Here is one for starters.
http://www.powerstroke.org/forum/99-...s-changes.html
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Old 03-28-2011, 01:03 PM
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The 7.3L holds 15qts.

I would run Scheaffer's 9000 5W-40. You can run it up 7k per change depending on use & filtration. My Cousin has about 50k miles on his 7.3L using it and he like it. His truck idled and ran noticeably smoother compared to Rotella & Delo that he was using before the switch. I also use Scheaffer's in my new '11 6.7L.
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Old 03-28-2011, 02:54 PM
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Those intervals seem like synthetic oil. I use synthetic in my wifes Jetta TDI and change every 7,500 miles. In my diesel Suburban I use dino and change every 3,000. I live in a dusty place with lots of dirt roads.
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Old 03-28-2011, 05:24 PM
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Originally Posted by JALICHTY View Post
Yes, you will need a really big container to catch the oil, I think they take about 12 quarts to fill so about that much should come out, minus the amount in the filter.That's the biggest reason I don't do my Duramax, I just don't have a big enough catch container.
My Duramax takes 22 quarts.
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Old 03-28-2011, 05:30 PM
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I change my oil on my 2000 Excursion at the factory interval of 5,000 miles. I change the fuel filter every other time. I use Delo, 15W40. Its cheap at Costco but Shell Rotella or any premium diesel oil (c-4) will work.. My factory manual says use a Motorcraft oil filter "or serious engine damage may result" Ford claims the Motorcraft has a finer degree of filtration. I have mostly ignored this advice because I won't make a special trip to the Ford dealer for parts and my engine has run almost 200k miles and uses a quart of oil every 1000 miles, same as it has for years.
It is a messy job and saves little $$ over the oil change places but it gives me a chance to carefully inspect my vehicle and catch needed repairs quickly.
After 15 quarts, my dipstick reads a quart low so I add another quart.
One of those Auto Zone big oil catchers catches all my oil and has a spout so I can pour it back into the jugs after I have added the oil in them to the engine.
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Old 03-28-2011, 05:50 PM
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Originally Posted by cazador View Post
I change my oil on my 2000 Excursion at the factory interval of 5,000 miles. I change the fuel filter every other time. I use Delo, 15W40. Its cheap at Costco but Shell Rotella or any premium diesel oil (c-4) will work.. My factory manual says use a Motorcraft oil filter "or serious engine damage may result" Ford claims the Motorcraft has a finer degree of filtration. I have mostly ignored this advice because I won't make a special trip to the Ford dealer for parts and my engine has run almost 200k miles and uses a quart of oil every 1000 miles, same as it has for years.
It is a messy job and saves little $$ over the oil change places but it gives me a chance to carefully inspect my vehicle and catch needed repairs quickly.
After 15 quarts, my dipstick reads a quart low so I add another quart.
One of those Auto Zone big oil catchers catches all my oil and has a spout so I can pour it back into the jugs after I have added the oil in them to the engine.
You guys with the 7.3L's. After your done with the used oil, filter it and put it in your tank. There are many guys that run WMO and have no problems doing so.
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Old 03-29-2011, 07:23 AM
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Originally Posted by Team Balla's Steakhouse View Post
You guys with the 7.3L's. After your done with the used oil, filter it and put it in your tank. There are many guys that run WMO and have no problems doing so.
Buddy of mine runs his 7.3 250 on filtered used ATF. been doing it for years now, in the colder months mixes about 10gallons of diesel with it.
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Old 03-29-2011, 10:10 AM
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Originally Posted by rotordriver View Post
My Duramax takes 22 quarts.
I believe you mean 12 quarts. Even some of the medium duty diesels don't hold that much oil. Many list the 7.3L as 16 quarts since the HPOP reservoir holds a good quart or so of oil and it should be changed out every couple of oil changes(although none seem to do it until the injectors or HPOP fail). And yes 7.3L's are HARD on oil due to the HPOP popping the injectors with 3,000 PSI of oil pressure.
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