Oil filter threading stripped - Page 3 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

King Tut · 05-22-2013, 12:25 PM

Nice work on the part numbers and PDF Opie. Don't He-Man your new oil filter on next time OP. General rule is turn till seated and then a 1/4 turn. You should be able to get the filter back off without the use of a tool if torqued properly.

oofie · 05-22-2013, 12:27 PM

Quote:

Originally Posted by Opie

Just threads right in, tighten to 33.2 ft/lbs. See attached.

great post!

frslee · 05-22-2013, 03:06 PM

@davtbaum Did you get the thread replaced? Try not to use FRAM filter... look up some videos in Youtube. I'm sure they have improved over time, but their general oil filter sucks.

Chimpo · 05-22-2013, 03:19 PM

Quote:

Originally Posted by King Tut

Nice work on the part numbers and PDF Opie. Don't He-Man your new oil filter on next time OP. General rule is turn till seated and then a 1/4 turn. You should be able to get the filter back off without the use of a tool if torqued properly.

Unless it's the factory filter. I swear that every new car I've ever had, first time oil change always sucks getting the original filter off.

DJCarbine · 05-22-2013, 03:51 PM

How did the seal surface get scratched?
The only thing that contacts that surface is the rubber seal of the oil filter....

It just screams overtorqued oil filter, but you said you tightened by hand. Meaning only using your hand, and not any tools right? I knew someone who thought tighten by hand meant using an oil filter socket and a breaker bar, because they are "hand tools"

davtbaum · 05-22-2013, 04:14 PM

Quote:

Originally Posted by DJCarbine

How did the seal surface get scratched?
The only thing that contacts that surface is the rubber seal of the oil filter....

It just screams overtorqued oil filter, but you said you tightened by hand. Meaning only using your hand, and not any tools right? I knew someone who thought tighten by hand meant using an oil filter socket and a breaker bar, because they are "hand tools"

Definitely tightened by hand!

What I found interesting is the location of the stripping. I ended up getting the bolt out using a 24mm deep socket. After pulling it out I could see that the first two thread rotations are in tact. The following 2.5 and stripped, and the last threads are in tact as well.

Here's a pic

Now this follows the resistance when screwing the filter back on - the first two rotations are easy, the following 2 are really tough, then easy again.

Now if this is over torquing would l that not imply the stripping of the initial threading on the bolt? I'm not sure, but I know I hand tightened the filter when putting it on.

celica73 · 05-22-2013, 05:46 PM

Looks like galling to me (materials mismatch). That's a really weird failure. I'm guessing some sort of thread defect on one of the two parts involved, but it's hard to say which is the chicken and which is the egg. At least it was a cheap part!

DJCarbine · 05-22-2013, 05:59 PM

More than likely bad threads on the filter, perhaps there were slivers of metal that broke free when you tightened it and ended up fubaring the threads... but I've never seen/heard of that

I've seen some weird crap though, my overpipe to header bolts BOTH galled the thread on removal, and ended freezing/snapping the bolts off because they refused to loosen any more than 2mm or so even though they looked brand new.

Still doesn't explain the surface scratching, did the oil filter go on slightly lopsided so the edge of the oil filter was able to hit the mounting surface before the gasket? That would support the bad thread theory

Ozzman · 05-22-2013, 10:33 PM

In 8 years of working on cars professionally, I have never seen that happen, wow. I've seen enough stripped drain plugs to fill a gallon paint can, a few stripped drain pans, and even oil filters that leaked through the casing. But have never seen a filter union/stud stripped.

Maybe it wasn't properly heat treated, who knows; but that aint right.

Chimpo · 05-22-2013, 11:15 PM

Quote:

Originally Posted by celica73

Looks like galling to me (materials mismatch). That's a really weird failure. I'm guessing some sort of thread defect on one of the two parts involved, but it's hard to say which is the chicken and which is the egg. At least it was a cheap part!

I'm going to say it was probably during removal if it went on with no problem. I've seen a thread failure very similar to that, but the threaded piece itself had a small cut-out area for staking of the nut. If you didn't unstake the nut perfectly, any small piece of debris or no longer exactly lining up thread would destroy the piece in a similar fashion. Very frustrating to try and remove a nut, and every now and then you ruin the much more expensive part it's attached to.

davtbaum · 05-23-2013, 06:24 PM

Hey guys, an update

Got the part in today. Overnights from Subaruparts - thanks @Opie for the diagram and part number!

A comparison with the old bolt

Getting the new union on was trivial, torquing to 33.2 ft lbs. Installing the filter afterwards was as simple as a normal oil change

Got my car running again - thanks guys!

SmsAlSuwaidi · 05-23-2013, 06:55 PM

An they lived happily ever after

OuHiroshi · 05-29-2013, 02:14 PM

Quote:

Originally Posted by davtbaum

Hey guys, an update

Got the part in today. Overnights from Subaruparts - thanks @Opie for the diagram and part number!

A comparison with the old bolt

Getting the new union on was trivial, torquing to 33.2 ft lbs. Installing the filter afterwards was as simple as a normal oil change

Got my car running again - thanks guys!

Looked like you can just flip the stripped union around and put it back in

#ShittyAdvice

It definitely looked like a manufacturing defect on the union and the low quality Fram thread put the nail on the coffin.

King Tut · 05-30-2013, 02:34 PM

Quote:

Originally Posted by davtbaum

Hey guys, an update

Got the part in today. Overnights from Subaruparts - thanks @Opie for the diagram and part number!

Getting the new union on was trivial, torquing to 33.2 ft lbs. Installing the filter afterwards was as simple as a normal oil change

Got my car running again - thanks guys!

Nice E30 bro. Could definitely be treated to a new roundel though.

05-22-2013, 12:25 PM	#29
King Tut NASA SpecE30 Racer Join Date: May 2012 Drives: 2006 Honda S2000 Location: Gulf Breeze, FL Posts: 7,279 Thanks: 607 Thanked 5,759 Times in 3,055 Posts Mentioned: 274 Post(s) Tagged: 10 Thread(s)	Nice work on the part numbers and PDF Opie. Don't He-Man your new oil filter on next time OP. General rule is turn till seated and then a 1/4 turn. You should be able to get the filter back off without the use of a tool if torqued properly. __________________ - King Tut Street/Track Car: 2006 Honda S2000 TT3 \|\| Race Car: 1987 BMW 325is SpecE30 \|\| Tow Vehicle: 2014 RAM 1500 EcoDiesel Sold Cars: 2012 BMW M3 \|\| 2013 Subaru BRZ \|\| 2012 Porsche Cayman R \|\| 2009 Chevrolet Z06 \|\| 2009 BMW M3 \|\| 2004 BMW M3 \|\| 2004 Nissan 350Z

05-23-2013, 06:24 PM	#39
davtbaum Member Join Date: Apr 2013 Drives: Subaru BRZ Location: College Park, MD Posts: 41 Thanks: 19 Thanked 21 Times in 13 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Hey guys, an update Got the part in today. Overnights from Subaruparts - thanks @Opie for the diagram and part number! A comparison with the old bolt Getting the new union on was trivial, torquing to 33.2 ft lbs. Installing the filter afterwards was as simple as a normal oil change Got my car running again - thanks guys! Last edited by davtbaum; 05-23-2013 at 06:27 PM. Reason: Pics

05-23-2013, 06:55 PM	#40
SmsAlSuwaidi Boosted Join Date: Feb 2013 Drives: Not a supra....yet Location: Riverside,CA/ Abu Dhabi,UAE Posts: 2,925 Thanks: 487 Thanked 1,203 Times in 812 Posts Mentioned: 90 Post(s) Tagged: 2 Thread(s)	An they lived happily ever after __________________ https://www.facebook.com/Smsalsuwaidiracing/

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05-22-2013, 03:06 PM	#31
frslee Just drive it Join Date: Mar 2013 Drives: 13' FR-S Location: Maryland Posts: 1,122 Thanks: 97 Thanked 321 Times in 218 Posts Mentioned: 10 Post(s) Tagged: 3 Thread(s)	@davtbaum Did you get the thread replaced? Try not to use FRAM filter... look up some videos in Youtube. I'm sure they have improved over time, but their general oil filter sucks.

05-22-2013, 03:51 PM	#33
DJCarbine Thupercharged Join Date: Mar 2013 Drives: 2013 FR-S Location: La Grange Park, IL. Posts: 1,501 Thanks: 116 Thanked 751 Times in 439 Posts Mentioned: 23 Post(s) Tagged: 0 Thread(s)	How did the seal surface get scratched? The only thing that contacts that surface is the rubber seal of the oil filter.... It just screams overtorqued oil filter, but you said you tightened by hand. Meaning only using your hand, and not any tools right? I knew someone who thought tighten by hand meant using an oil filter socket and a breaker bar, because they are "hand tools"

05-22-2013, 05:46 PM	#35
celica73 Senior Member Join Date: Jun 2012 Drives: '13 BRZ / '11 Outback / '06 Tundra Location: Durham NC Posts: 510 Thanks: 6 Thanked 155 Times in 104 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	Looks like galling to me (materials mismatch). That's a really weird failure. I'm guessing some sort of thread defect on one of the two parts involved, but it's hard to say which is the chicken and which is the egg. At least it was a cheap part!

05-22-2013, 05:59 PM	#36
DJCarbine Thupercharged Join Date: Mar 2013 Drives: 2013 FR-S Location: La Grange Park, IL. Posts: 1,501 Thanks: 116 Thanked 751 Times in 439 Posts Mentioned: 23 Post(s) Tagged: 0 Thread(s)	More than likely bad threads on the filter, perhaps there were slivers of metal that broke free when you tightened it and ended up fubaring the threads... but I've never seen/heard of that I've seen some weird crap though, my overpipe to header bolts BOTH galled the thread on removal, and ended freezing/snapping the bolts off because they refused to loosen any more than 2mm or so even though they looked brand new. Still doesn't explain the surface scratching, did the oil filter go on slightly lopsided so the edge of the oil filter was able to hit the mounting surface before the gasket? That would support the bad thread theory

05-22-2013, 10:33 PM	#37
Ozzman Senior Member Join Date: Mar 2013 Drives: old Location: Roswell Posts: 232 Thanks: 188 Thanked 103 Times in 59 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	In 8 years of working on cars professionally, I have never seen that happen, wow. I've seen enough stripped drain plugs to fill a gallon paint can, a few stripped drain pans, and even oil filters that leaked through the casing. But have never seen a filter union/stud stripped. Maybe it wasn't properly heat treated, who knows; but that aint right.

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