oil filter leak
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Fleet Mechanic
Joined: Jun 2002
Posts: 1,986
Likes: 43
From: maryland
oil filter leak
dumb question- I have a drip line down the side of my oil filter the last couple of times changing it. I make sure not to double stack the gaskets, lube the gasket prior to seal and hand tighten then 1/4 turn filter. still I trickle line still appears and stays- I don't get a drip but a line----- filter is tight, no visible leaks above the housing?
what am I missing?
what am I missing?
Fleet Mechanic
Joined: Nov 2019
Posts: 1,250
Likes: 192
From: Livingston Tx
dumb question- I have a drip line down the side of my oil filter the last couple of times changing it. I make sure not to double stack the gaskets, lube the gasket prior to seal and hand tighten then 1/4 turn filter. still I trickle line still appears and stays- I don't get a drip but a line----- filter is tight, no visible leaks above the housing?
what am I missing?
what am I missing?
More Turbo
Joined: Oct 2017
Posts: 741
Likes: 234
From: S. Indiana
Are you pre-filling your filter? Sometimes when pre-filling, a little oil will stay in the top of the filter, and as you spin it on will be "spun" out and look like a "drip". Wipe it off (also around the top edge of the filter). You should be good to go. If it continues, tighten the filter more. If it still continues, seek professional help.
Junior User
Joined: Jan 2020
Posts: 69
Likes: 1
Are you pre-filling your filter? Sometimes when pre-filling, a little oil will stay in the top of the filter, and as you spin it on will be "spun" out and look like a "drip". Wipe it off (also around the top edge of the filter). You should be good to go. If it continues, tighten the filter more. If it still continues, seek professional help.
Laughing Gas
Joined: Jul 2005
Posts: 957
Likes: 112
From: NC
I had the same issue after my first oil change, no double gasket, thought it was residual oil from refilling filter, made sure it was tight. Would wipe line of oil off filter and it would come back while running. Ended up being the new oil filter gasket was full of cracks like it was dry rotted, and it had been oiled prior me installing. Put a new filter on and no more drip. Now I double check the filter gasket, been changing oil for over 30 years and never saw that. I also only use Motorcraft filters.
Laughing Gas
Joined: Jun 2011
Posts: 780
Likes: 5
From: Kentucky
I always take my truck to the car wash and spray around the filter.its unbelievable how much oil the lip can hold.
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Laughing Gas
Joined: Mar 2018
Posts: 1,242
Likes: 273
From: South Central Indiana
I've always used the "spin it on till it makes contact, then 1/4 turn" formula till I did my first oil change and had some leakage. Now I spin it on and hand tighten it to the limits of my physical ability, no more leaks. lol.
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Fleet Mechanic
Joined: Feb 2019
Posts: 1,297
Likes: 170
From: Hunterdon Cnty N.J.
Ive only done 3 oil changes on my 6.2 so far. Same thing happened to me 2 out of 3. First time I tightened it a bit more and didnt notice it any more. The second time I tried to hand tighten it a bit more and it was way tight. So I took a rag and wiped it off.... I took a paper towel and went over the lip of the filter and dried up everything I could from the top of the filter. I dont notice any dripping now.
I should also point out I never saw a single drop that made it to the ground. I always look under my vehicles... at the tires and all that every time I walk up to it. 25th years in the trucking business will do that to you.
If it was actually leaking it would keep coming and end up dripping on the ground.
I think its either old oil from the filter block or its from topping off the filter and schmearing the gasket.
I should also point out I never saw a single drop that made it to the ground. I always look under my vehicles... at the tires and all that every time I walk up to it. 25th years in the trucking business will do that to you.
If it was actually leaking it would keep coming and end up dripping on the ground.
I think its either old oil from the filter block or its from topping off the filter and schmearing the gasket.
Freshman User
Joined: Sep 2019
Posts: 48
Likes: 14
Ford dealer oil change I had the same problem. 2 changes in a row and nothing on the ground. Went to local ford Indy shop for the latest oil change and no oily filter. Don’t get it? You might be right in the fact that the ford deadly is sloppy and doesn’t take care when priming the filter and cleaning etc. blow and go I guess! Do it right or don’t do it at all.
Fleet Mechanic
Joined: Nov 2019
Posts: 1,250
Likes: 192
From: Livingston Tx
You hit it on the head that’s exactly what I do walk away and come back later.
Fleet Mechanic
Joined: Feb 2019
Posts: 1,297
Likes: 170
From: Hunterdon Cnty N.J.
I always let mine drain a while. I also pop 2 holes in the filter so it can drain before I unscrew it. One on the bottom and one farther up the side to let vacuum release.
Still the fact that there doesnt seem to be enough to hit the ground indicates no need to worry. In fact I would be more concerned to get drips on the concrete than any possible harm to the truck... even if it did hit the ground.
Still the fact that there doesnt seem to be enough to hit the ground indicates no need to worry. In fact I would be more concerned to get drips on the concrete than any possible harm to the truck... even if it did hit the ground.
Mountain Pass
Joined: Dec 2018
Posts: 160
Likes: 5
From: Bay Area, CA
this was after my dealer oil change on Monday. Got oil under the whole cab after driving off lot, to work, and back home. I wiped everything up to see if it leaks more and sure enough today it had more oil on the filter. Gonna take it back to the dealer and have them fix whatever the issue is and have them clean the underside.