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

davtbaum · 05-21-2013, 08:04 PM

Hey guys,

Not a good day for my BRZ. What started as a simple oil change turned into a much bigger issue when I found that the threading on the oil filter housing was stripped after I pulled off the old filter. I also found that some the surface of the seal was scratched and chipped

. I am currently unable to obtain a seal with the new filter so my car is not drivable.

I believe the old filter (fram) was the culprit of the stripped threading but the cause of the surface damage is still to be determined. My questions are:

Does anyone know if the threading key is replaceable? It appears as if it can be unscrewed. If it is it would save me a tow to the dealer.

Any chance the dealer would cover this? It was definitely the filter that cause the threading to strip, but as I replaced it myself I'm sure they would fight that.

I'm posting this on my phone but ill upload pics once I get home.

Thanks guys,

David

Chimpo · 05-21-2013, 08:07 PM

Did you change the oil last? I would think you would notice if it was cross threaded...
Interested to see pics. Bummer man.

As far as fixing it... maybe there's a die big enough to use, but you'd have to worry about shavings. On top of that, depending on how "screwed" it is would it be enough to salvage the existing piece??

Opie · 05-21-2013, 08:28 PM

Threading key is replaceable, it's called a filter union. Subaru P/N: 15018AA150

davtbaum · 05-21-2013, 08:36 PM

Quote:

Originally Posted by Chimpo

Did you change the oil last? I would think you would notice if it was cross threaded...
Interested to see pics. Bummer man.

As far as fixing it... maybe there's a die big enough to use, but you'd have to worry about shavings. On top of that, depending on how "screwed" it is would it be enough to salvage the existing piece??

Last oil change i didn't see any cross threading - and I don't remember the filter being tough to get on. But yeah shavings are what I'm most worried about.

davtbaum · 05-21-2013, 08:37 PM

Quote:

Originally Posted by Opie

Threading key is replaceable, it's called a filter union. Subaru P/N: 15018AA150

Wow this is great thank you!

beaver_scott · 05-21-2013, 08:42 PM

it wasn't on an frs so I don't know if that particular one is removable, but I have removed an oil filter stud once. if you want to save the one you have, you need two bolts that will fit onto it, tighten the two nuts together and use a wrench on the bottom nut to loosen the stud. if the stud is stripped and you can't reuse it you could use vise grip pliers to unscrew the stud if it is removable. I guess the problem might be finding a new stud since the car is so new.

s0sl0w · 05-21-2013, 09:21 PM

I would use a OEM filter as well... it's like $8 at the dealer.

davtbaum · 05-21-2013, 10:07 PM

Here are the pics - the first image you'll see the stripped threads and the second is the surface chips.

leon78 · 05-21-2013, 10:09 PM

Good time to by an oil cooler..replace the oil filter stud and be full of win... : )

Sent from my yotaru

davtbaum · 05-21-2013, 10:16 PM

According to this diagram the stud is part of the entire outing timing housing

davtbaum · 05-21-2013, 10:26 PM

Quote:

Originally Posted by Opie

Threading key is replaceable, it's called a filter union. Subaru P/N: 15018AA150

Where did you get this P/N, I can't find it online

fasteddy · 05-21-2013, 10:38 PM

Even if that part is not available I wonder if you could unthread the boss for the filter and clean up the threads off the car? It looks like it might unscrew?

I have heard of issues and avoided Fram for many years. You can't go wrong with a stock filter. First impression is that the filter was over tightened when installed.

Good Luck!

Pat

davtbaum · 05-21-2013, 10:44 PM

Quote:

Originally Posted by fasteddy

Even if that part is not available I wonder if you could unthread the boss for the filter and clean up the threads off the car? It looks like it might unscrew?

I have heard of issues and avoided Fram for many years. You can't go wrong with a stock filter. First impression is that the filter was over tightened when installed.

Good Luck!

Pat

Yep I'm going to attempt to unthread tomorrow, and seat the oil filter on that. Otherwise it's off to the dealership

Ozzman · 05-21-2013, 10:47 PM

I have a hard time believing the filter union is stripped, that part should be made out of hardened steel. The discoloration is more likely material from the threads on the filter itself. Can we get a pic showing the side of the filter union instead of the top of it?

05-21-2013, 08:04 PM	#1
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)	Oil filter threading stripped Hey guys, Not a good day for my BRZ. What started as a simple oil change turned into a much bigger issue when I found that the threading on the oil filter housing was stripped after I pulled off the old filter. I also found that some the surface of the seal was scratched and chipped . I am currently unable to obtain a seal with the new filter so my car is not drivable. I believe the old filter (fram) was the culprit of the stripped threading but the cause of the surface damage is still to be determined. My questions are: Does anyone know if the threading key is replaceable? It appears as if it can be unscrewed. If it is it would save me a tow to the dealer. Any chance the dealer would cover this? It was definitely the filter that cause the threading to strip, but as I replaced it myself I'm sure they would fight that. I'm posting this on my phone but ill upload pics once I get home. Thanks guys, David

05-21-2013, 10:09 PM	#9
leon78 Senior Member Join Date: Jan 2013 Drives: 13 Whiteout Location: Niceville FL Posts: 666 Thanks: 307 Thanked 241 Times in 142 Posts Mentioned: 23 Post(s) Tagged: 1 Thread(s)	Good time to by an oil cooler..replace the oil filter stud and be full of win... : ) Sent from my yotaru __________________ 2013 Scion FR-S (Whiteout) GunMetal 16x8+25 Enkei CompE_Cusco OCC_ Kartboy Crank Pulley_Kartboy TMM insert_Koni Yellows_RCE Springs_K&N Drop-In_Eibach FSB_J2 Catless FP_WhiteLine Camber Bolts_NameLess Track Pipe_RBF600_Ferodo DS2500_PTUNING Tuned. Less parking more racing

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05-21-2013, 08:07 PM	#2
Chimpo Senior Member Join Date: Sep 2012 Drives: '15 STi Ltd Location: Probably a location near you! Posts: 297 Thanks: 37 Thanked 149 Times in 61 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Did you change the oil last? I would think you would notice if it was cross threaded... Interested to see pics. Bummer man. As far as fixing it... maybe there's a die big enough to use, but you'd have to worry about shavings. On top of that, depending on how "screwed" it is would it be enough to salvage the existing piece??

05-21-2013, 09:21 PM	#7
s0sl0w Proud of Boxer Join Date: May 2013 Drives: 2013 BRZ Location: Maryland Posts: 501 Thanks: 176 Thanked 273 Times in 136 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	I would use a OEM filter as well... it's like $8 at the dealer.

05-21-2013, 10:07 PM	#8
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)	Here are the pics - the first image you'll see the stripped threads and the second is the surface chips.

05-21-2013, 10:16 PM	#10
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)	According to this diagram the stud is part of the entire outing timing housing

05-21-2013, 10:38 PM	#12
fasteddy Senior Member Join Date: Jun 2012 Drives: BRZ Location: MN Posts: 184 Thanks: 89 Thanked 82 Times in 41 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Even if that part is not available I wonder if you could unthread the boss for the filter and clean up the threads off the car? It looks like it might unscrew? I have heard of issues and avoided Fram for many years. You can't go wrong with a stock filter. First impression is that the filter was over tightened when installed. Good Luck! Pat

05-21-2013, 10:47 PM	#14
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)	I have a hard time believing the filter union is stripped, that part should be made out of hardened steel. The discoloration is more likely material from the threads on the filter itself. Can we get a pic showing the side of the filter union instead of the top of it?

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