Oil Change
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Senior User
Joined: Feb 2003
Posts: 333
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From: Idaho
Oil Change
Hey fellas. Dumb question coming at ya but I am going to change my own oil tonight. A friend of mine changed his oil in his PSD and only got about 9-10 quarts (including filter) out of it during drain. He stated that it was a quart low when he drained it. When he went to fill it, it took only 12 quarts (including prefilled new filter). I believe our owners manual states that they take 15 quarts. Is this correct. I am very curious as to why he got such weird numbers during his oil change. Any thoughts? What is the proper method of changing the oil in these beasts?
Junior User
Joined: Jan 2004
Posts: 86
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From: Jefferson, Iowa
My Owners Manual Says 14 Quarts With Filter Change And That Is Full On The Dipstick. I Know A Guy That Works At Ford And He Says That They Pour A Quart Of Oil In The Filter Before They Spin It On. Not Sure If That Is A Necessary Precaution On Not, But That's How The Pro's Do It. He Also Said That It Is A Lot Less Messy If You Take A Screwdriver And Pound A Hole In The Old Filter An Let It Drain Before You Take It Of.
Logistics Pro
Joined: Nov 2002
Posts: 4,788
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From: Mansfield, TX USA
The filter will take 1-1/2 to 2 quarts. You have to pour slow and let it soak in for a few minutes.
The 7.3 PSD will take 14-15 qts. All day, every day. If your friend only put 12 qts. total in, then he did not get all of the old oil out.
And yes, loosen the oil filter and then poke a hole in the bottom to drain it before you take it off.
The 7.3 PSD will take 14-15 qts. All day, every day. If your friend only put 12 qts. total in, then he did not get all of the old oil out.
And yes, loosen the oil filter and then poke a hole in the bottom to drain it before you take it off.
Last edited by jschira; Apr 20, 2004 at 09:20 AM.
Senior User
Joined: Nov 2003
Posts: 435
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From: NW
Mine is a 2000. I let it drain quite a while, both from the pan and the filter housing, and pump / suck out all the oil I can get out of the HPOP, and mine takes almost 16 quarts. I probably sucked about a half to 3/4 quart of oil out of the HPOP. Go figure. 
Senior User
Joined: Jan 2004
Posts: 188
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From: Ogden UT
I was a supervisor at a Jiffy Lube, and when we changed the PSD it seemed that all the 7.3 filters took 1.5 quarts to fill and 14 quarts total(engine and filter)in the older body style(94.5-97) and 15 quarts total in the newer style(99-03). Make sure to use two hands to take off the filter, I've seen and had that old nasty diesel oil all over me and everything else.
Post Fiend
Joined: Aug 2002
Posts: 5,324
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From: Denton,TX
Originally Posted by 85BigBlock
I was a supervisor at a Jiffy Lube, and when we changed the PSD it seemed that all the 7.3 filters took 1.5 quarts to fill and 14 quarts total(engine and filter)in the older body style(94.5-97) and 15 quarts total in the newer style(99-03). Make sure to use two hands to take off the filter, I've seen and had that old nasty diesel oil all over me and everything else.
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Senior User
Joined: Apr 2004
Posts: 349
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From: Port Murray, NJ
Got another dumb question for you guys. This is my first PSD and I bought it used and has no Owner's Manual. What is the recommended interval between oil changes? The truck is an 1999 E350.
Thanks!
Thanks!
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Senior User
Joined: Jan 2004
Posts: 188
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From: Ogden UT
Originally Posted by wilbur996
Got another dumb question for you guys. This is my first PSD and I bought it used and has no Owner's Manual. What is the recommended interval between oil changes? The truck is an 1999 E350.
Thanks!
Thanks!
Posting Guru
Joined: Oct 2000
Posts: 1,355
Likes: 4
From: Western NC
Don't forget....that filter is a bear to get off without making a small mess when it is full of oil. I usually take a sharp object and poke a hole in the bottom of the filter, allowing the oil to drain out before un-screwing the filter. That makes it a little better, anyways. Personally, I'd like to know what everyone uses as a filter wrench. I can usually get the filter off OK, but I just don't think I am getting it tight enough on installation. The last time I removed my filter, it was WAY too loose for my liking. I know some people say they screw it down tight enough by hand, but I just can't seem to get that done for some reason. My last attempt at finding a GOOD tool was a strap wrench, but I hated it. I threw that P.O.S. in the trash after about two uses. Any good ideas? Surely there is a "special" tool out there somewhere that works well.........
Senior User
Joined: Jan 2004
Posts: 188
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From: Ogden UT
Originally Posted by RedTaurus94
Don't forget....that filter is a bear to get off without making a small mess when it is full of oil. I usually take a sharp object and poke a hole in the bottom of the filter, allowing the oil to drain out before un-screwing the filter. That makes it a little better, anyways. Personally, I'd like to know what everyone uses as a filter wrench. I can usually get the filter off OK, but I just don't think I am getting it tight enough on installation. The last time I removed my filter, it was WAY too loose for my liking. I know some people say they screw it down tight enough by hand, but I just can't seem to get that done for some reason. My last attempt at finding a GOOD tool was a strap wrench, but I hated it. I threw that P.O.S. in the trash after about two uses. Any good ideas? Surely there is a "special" tool out there somewhere that works well.........
local quick lube places and ask where you could get one/order one.
Senior User
Joined: Apr 2004
Posts: 349
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From: Port Murray, NJ
I use the biggest pair of Channel Lock pliers they make. Works well for removing and installing. Who cares if you crush the filter a little bit on the removal. Just be gentle on the install and everything will be ok. Never had a problem with this method.