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Oil filter worked loose #4437330
06/21/17 06:31 AM
06/21/17 06:31 AM
Joined: Sep 2015
Posts: 527
Alabama
NavyVet88 Offline OP
NavyVet88  Offline OP
Joined: Sep 2015
Posts: 527
Alabama
1999 Dodge Ram 1500 5.9L 156k on the clock.

Went to my dad's yesterday and changed the oil in his truck for him and when I went to unscrew the filter, I noticed there was oil dripping from it. I went to unscrew the filter and immediately noticed that it only took a slight bit of pressure to break free. I changed his oil last about a year and a half ago (drives very few miles anywhere) and I hand tightened that filter pretty good.

Filter was a Bosch 3402. Was the length of the OCI to blame for it to work loose like it did? Never seen that happen before and he doesn't mistreat the truck in anyway.


2013 Honda Civic LX 1.8L 140k M1 HM 0w20 with Fram XG7317
2003 Buick Century 3.1L 196k Maxlife 5W-30 with Fram TG3387A
Maintenance Mechanic by trade, working class for life.
Re: Oil filter worked loose [Re: NavyVet88] #4437343
06/21/17 06:49 AM
06/21/17 06:49 AM
Joined: Sep 2016
Posts: 1,418
Minnesota
bioburner Offline
bioburner  Offline
Joined: Sep 2016
Posts: 1,418
Minnesota
Gremlins. I try to get under and check oil filters after a good warm up or two. Have found more than one filter loose. Might have been a poorly seated gasket giving a false feeling of being tight?



97 Ford E350 D,99 F350 dually D
13 Scion Xb
12 Ford Transit Connect
06 Nissan Xterra
03 K1200 BMW
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13 Madass
Re: Oil filter worked loose [Re: NavyVet88] #4437344
06/21/17 06:49 AM
06/21/17 06:49 AM
Joined: Nov 2008
Posts: 3,274
Oshawa, Ontario Canada
JC1 Online content
JC1  Online Content
Joined: Nov 2008
Posts: 3,274
Oshawa, Ontario Canada
Did you check the oil level via dipstick prior to doing the oil change. Seems strange that the filter would be that loose.

Any idead of how much you hand tightened it on the prior oil change? Normally when I do my changes I tighten the filter until it stops turning. Then I go for one more hand tightening which probably isn't even quarter of a turn.

Do you have pics of the filter and gasket for us? Did you check to see if there was anything sticking to the block where the gasket contacts it?


2015 Grand Caravan SXT Plus 5w-20 PPPP/Fram Ultra Filter
1997 Honda Civic CX 5w-30 Shell Conventional/Fram Ultra Filter
Re: Oil filter worked loose [Re: JC1] #4437350
06/21/17 06:56 AM
06/21/17 06:56 AM
Joined: Sep 2015
Posts: 527
Alabama
NavyVet88 Offline OP
NavyVet88  Offline OP
Joined: Sep 2015
Posts: 527
Alabama
Originally Posted By: JC1
Did you check the oil level via dipstick prior to doing the oil change. Seems strange that the filter would be that loose.

Any idead of how much you hand tightened it on the prior oil change? Normally when I do my changes I tighten the filter until it stops turning. Then I go for one more hand tightening which probably isn't even quarter of a turn.

Do you have pics of the filter and gasket for us? Did you check to see if there was anything sticking to the block where the gasket contacts it?


I would say that I tightened about the same as you described that you did with yours. Yes the dipstick was checked prior to drain and it read about a quart low (filter leak I'm sure) and I wasn't able to get any pics of the filter because it had just started to rain pretty good at the moment and it slipped my mind. I wiped clean the block where the filter gasket seats to it and it looked fine but I won't rule out that I could have missed something due to the rain starting to come down and trying to finish up. I started the truck up after the refill and let it set for about 3 to 4 mins to check for a continued leak but did not observe any leak(s).


2013 Honda Civic LX 1.8L 140k M1 HM 0w20 with Fram XG7317
2003 Buick Century 3.1L 196k Maxlife 5W-30 with Fram TG3387A
Maintenance Mechanic by trade, working class for life.
Re: Oil filter worked loose [Re: NavyVet88] #4437358
06/21/17 07:01 AM
06/21/17 07:01 AM
Joined: Dec 2006
Posts: 4,220
Port Orange, Florida
Panzerman Offline
Panzerman  Offline
Joined: Dec 2006
Posts: 4,220
Port Orange, Florida
My Dodge Ram filter is almost always wet on the tip with oil.
Purolator Pure One or Fram Gold Filters are the only ones that never leak because of the upgraded gasket. I think Dodge has bad filter surfaces that aren't machined even. It's not enough it even drips. It's just wet with oil and annoying.



2006 Dodge Ram 2500 Hemi 4x4
2016 Dodge Challenger Scat Pack
Re: Oil filter worked loose [Re: Panzerman] #4437366
06/21/17 07:11 AM
06/21/17 07:11 AM
Joined: Sep 2015
Posts: 527
Alabama
NavyVet88 Offline OP
NavyVet88  Offline OP
Joined: Sep 2015
Posts: 527
Alabama
Originally Posted By: Panzerman
My Dodge Ram filter is almost always wet on the tip with oil.
Purolator Pure One or Fram Gold Filters are the only ones that never leak because of the upgraded gasket. I think Dodge has bad filter surfaces that aren't machined even. It's not enough it even drips. It's just wet with oil and annoying.


This is the 3rd consecutive oil change I've done on his truck in three years and the first time I've observed the leaky/loose filter. First filter was an stp oil special filter at autozone during their deal at the time and then came the Bosch 3402 with the prior change and lastly the Fram TG16 yesterday. I have confidence that the Fram won't exhibit a leak as the Bosch did and I'm not bashing Bosch at all because I've used their filters on prior vehicles with success for years. The wife and I drive down to see my dad about once a month so the next time we go I'll check and see if it is holding up


2013 Honda Civic LX 1.8L 140k M1 HM 0w20 with Fram XG7317
2003 Buick Century 3.1L 196k Maxlife 5W-30 with Fram TG3387A
Maintenance Mechanic by trade, working class for life.
Re: Oil filter worked loose [Re: NavyVet88] #4437410
06/21/17 08:24 AM
06/21/17 08:24 AM
Joined: Oct 2014
Posts: 12,553
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 12,553
Idaho
The filter was loose because it wasn't tightened properly in the first place.


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: Oil filter worked loose [Re: NavyVet88] #4437414
06/21/17 08:26 AM
06/21/17 08:26 AM
Joined: Jun 2016
Posts: 276
Minnesota
JoelB Online content
JoelB  Online Content
Joined: Jun 2016
Posts: 276
Minnesota
I doubt it was loose after you finished the last oil change. Chances of him driving a year and a half on a loose filter seem slim to none.


Mine: 2018 Chevy spark (White) 1.4 Non-turbo
Mobil 1 0w20 AFE
ACDelco UPF64R

Wife's: 2018 Chevy spark (Blue) 1.4 Non-turbo
Mobil 1 0w20 AFE
ACDelco UPF64R
Re: Oil filter worked loose [Re: NavyVet88] #4437426
06/21/17 08:45 AM
06/21/17 08:45 AM
Joined: Dec 2003
Posts: 9,917
Florida, Cape Coral
Eddie Offline
Eddie  Offline
Joined: Dec 2003
Posts: 9,917
Florida, Cape Coral
Most of the filters I've used recommend 1/2 to 3/4 turn AFTER the seal touches. A comment Hand Tightened suggest it was installed incorrectly as CT8 suggested. Ed


CX5 Touring 2.5L :-)
Re: Oil filter worked loose [Re: NavyVet88] #4437436
06/21/17 08:58 AM
06/21/17 08:58 AM
Joined: Nov 2016
Posts: 1,283
WI
HoosierJeeper Offline
HoosierJeeper  Offline
Joined: Nov 2016
Posts: 1,283
WI
I've had it happen on two vehicles. Once on my LR3, not sure what happened. It leaked enough that it followed the skid plates and made it look like a transmission fluid leak. My old 09 Grand Cherokee 3.7 it used to need to be retightened daily for a few days after an oil change. Used to get it very tight and then have to check it again and again. My Liberty with the same engine I've never had to retighten.


15 Jeep KL Limited V6: Formula Shell 5W20
07 LR3 SE V8: Maxlife 5W30
05 Jeep KJ Limited: PHM 5W30
96 Jeep XJ Country: STP HM 5W30 (winter)
Re: Oil filter worked loose [Re: NavyVet88] #4437462
06/21/17 09:27 AM
06/21/17 09:27 AM
Joined: Mar 2004
Posts: 21,085
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 21,085
Upstate NY
I always hand tighten filters as much as my bare hands can do. Never any leaks.

However a newly installed Amsoil bypass filter on my pickup worked its way to become wet with oil. Gave it a little tightening with a band wrench.

Maybe with age, my hand tightening strength has decreased.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Oil filter worked loose [Re: CT8] #4437487
06/21/17 09:54 AM
06/21/17 09:54 AM
Joined: Apr 2012
Posts: 3,159
Boston, MA
Bgallagher Offline
Bgallagher  Offline
Joined: Apr 2012
Posts: 3,159
Boston, MA
Originally Posted By: CT8
The filter was loose because it wasn't tightened properly in the first place.


+1 As already mentioned I recommend doing a 1/4-1/2 turn once the seal touches. Snug.

Off topic but is this why most quickie places tighten the $hit out of them? Wont come loose if there is 14 million ft/lbs of torque on it.


2017 Chevy Traverse - 28k - Delco Dexos 1 and PF63
2014 Chevy Equinox - 22k - Delco Dexos 1 and PF457G
2015 GMC Terrain - 22k- Delco Dexos 1 and PF457G
Re: Oil filter worked loose [Re: Eddie] #4437501
06/21/17 10:05 AM
06/21/17 10:05 AM
Joined: Dec 2016
Posts: 7,109
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,109
Waco, TX
Originally Posted By: Eddie
Most of the filters I've used recommend 1/2 to 3/4 turn AFTER the seal touches. A comment Hand Tightened suggest it was installed incorrectly as CT8 suggested. Ed


I find usually 1/2 turn after it touches is sufficient.

I see people twisting them on one full turn... or more... then they're impossible to get off!


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Oil filter worked loose [Re: NavyVet88] #4437523
06/21/17 10:28 AM
06/21/17 10:28 AM
Joined: May 2016
Posts: 718
Canada
i_hate_autofraud Offline
i_hate_autofraud  Offline
Joined: May 2016
Posts: 718
Canada


This a rare problem but I have seen it even where a filter was initially nice and tight.

The problem came down to a "class of fit" between threads on the engine and that of the filter.
The engine threads are seldom the problem, but misformed threads, even by a little bit on a filter
can cause it to back off.

"Class of Fit" can be best described as follows:

Ever notice that cheap hardware store nuts and bolts are sloppy?
That's the clearance between the "thread pitch diameter" of the nut and the bolt
being way off. That's OK for home hardware and kid's wagons, etc.

If you try machine bolts and nuts with a UNF thread, you'll see they
fit together with far less slop.

Finally, anyone with a one inch micrometer with a thimble will
know the thread is super fine, smooth with NO backlash, that is a
precision thread where the "thread pitch diameter" is closely matched!

Mass produced oil filters where the thread rolling tool was too worn and
changed out late would produce some filters that will get loose.

Threading taps and die sets us guys can buy for our tool boxes are
thread cutting tools. Production thread rolling tools that look like
taps require special set up and handling and require much higher torque
to make a thread. In production, the advantage is they generate way less
chips and cuttings that would jam up equipment, produce way less rejects
and have a running life of 10's of thousands of cycles!

Re: Oil filter worked loose [Re: NavyVet88] #4437568
06/21/17 11:12 AM
06/21/17 11:12 AM
Joined: May 2017
Posts: 127
South Texas Rancho
TexasVaquero Offline
TexasVaquero  Offline
Joined: May 2017
Posts: 127
South Texas Rancho
Stuff like this is why I check my car every 2 or 3 days. I'm very paranoid after I had an engine seize.


2014 NISSAN VERSA 5spd M/T- M1 EP 5w30 and M1 EP Filter. 5k OCI.
2011 CHEVY IMPALA 3.5ltrs - M1 HM 5w30 and M1 EP Filter. 3k OCI.
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