Overpipe troubles - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

NoobBRZ · 01-20-2018, 12:35 AM

So I bought an entire exhaust system... headerback consisting of Tomei UEL and invidia overpipe front pipe and catback

Now I took off the stock catback and front pipe but I am really struggling to take the heat shield off the overpipe. Not only are the bolts rusted but I can’t get enough leverage and I don’t have air tools. I’m wondering if you guys have any tips or suggestions?

Also if anyone bought the invidia front pipe, is it me or does the gasket that goes between the front pipe and midpipe section of the catback seem to small?

Sorry for being such a noob... I’m using this car to learn how to work on cars lol

gtengr · 01-20-2018, 12:54 AM

Have you tried spraying the bolts with PB Blaster and letting it soak?

If the heat shield is too much of a PITA, you can always loosen the motor mounts and trans mount and jack the engine to remove the overpipe in one piece. It'll take a little longer but not a big deal imo.

NoobBRZ · 01-20-2018, 01:10 AM

Quote:

Originally Posted by gtengr

Have you tried spraying the bolts with PB Blaster and letting it soak?

If the heat shield is too much of a PITA, you can always loosen the motor mounts and trans mount and jack the engine to remove the overpipe in one piece. It'll take a little longer but not a big deal imo.

Yea I have and I’m going to try that motor mount loosening method. Can you tell me where I can find the motor mounts?

gtengr · 01-20-2018, 01:25 AM

They attach to the front subframe. Check out google images for pictures. Remove the nut on those, then unbolt the trans mount, then use a flat piece of wood to jack the engine by the oil pan enough to wiggle the overpipe out.

NoobBRZ · 01-20-2018, 01:30 AM

Quote:

Originally Posted by gtengr

They attach to the front subframe. Check out google images for pictures. Remove the nut on those, then unbolt the trans mount, then use a flat piece of wood to jack the engine by the oil pan enough to wiggle the overpipe out.

Sweet thanks man and I’m guessing the nut size is like a 12 or 14 mm right?

S. Snake · 01-20-2018, 04:55 PM

Before I bought air tools and when I lived in the rust belt I bought myself a MAPP gas torch (about $30 from home depot) and when I used that after letting bolts or nuts soaked overnight in pb blaster that usually did the trick. Also a piece of pipe or a short breaker bar could also help. Good luck

Sent from my SM-G930V using Tapatalk

NRXRaptor · 01-20-2018, 11:43 PM

I loosened the passenger side engine mount and jacked the engine up a few inches. Big success for me

humfrz · 01-21-2018, 02:02 AM

Quote:

Originally Posted by S. Snake

Before I bought air tools and when I lived in the rust belt I bought myself a MAPP gas torch (about $30 from home depot) and when I used that after letting bolts or nuts soaked overnight in pb blaster that usually did the trick. Also a piece of pipe or a short breaker bar could also help. Good luck

Sent from my SM-G930V using Tapatalk

.....yep, nutten like the old blow torch ......

humfrz

NoobBRZ · 01-21-2018, 11:59 PM

I’d like to thank all for the advice and tips I finally got the overpipe out and installed my
Headerback exhaust with no prior experience.... the car sounds amazing and I feel even better and extremely proud!

01-20-2018, 12:35 AM	#1
NoobBRZ Member Join Date: Jan 2018 Drives: Blue brz Location: New Orleans Posts: 27 Thanks: 0 Thanked 6 Times in 5 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Overpipe troubles So I bought an entire exhaust system... headerback consisting of Tomei UEL and invidia overpipe front pipe and catback Now I took off the stock catback and front pipe but I am really struggling to take the heat shield off the overpipe. Not only are the bolts rusted but I can’t get enough leverage and I don’t have air tools. I’m wondering if you guys have any tips or suggestions? Also if anyone bought the invidia front pipe, is it me or does the gasket that goes between the front pipe and midpipe section of the catback seem to small? Sorry for being such a noob... I’m using this car to learn how to work on cars lol

01-20-2018, 04:55 PM	#6
S. Snake Member Join Date: Jan 2018 Drives: 13' Asphalt Location: Antelope Valley, CA Posts: 94 Thanks: 34 Thanked 51 Times in 32 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Before I bought air tools and when I lived in the rust belt I bought myself a MAPP gas torch (about $30 from home depot) and when I used that after letting bolts or nuts soaked overnight in pb blaster that usually did the trick. Also a piece of pipe or a short breaker bar could also help. Good luck Sent from my SM-G930V using Tapatalk __________________ "always forward" >>>>>>>>>>>

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01-20-2018, 12:54 AM	#2
gtengr Senior Member Join Date: Nov 2016 Drives: 2017 BRZ Location: USA Posts: 655 Thanks: 326 Thanked 258 Times in 177 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	Have you tried spraying the bolts with PB Blaster and letting it soak? If the heat shield is too much of a PITA, you can always loosen the motor mounts and trans mount and jack the engine to remove the overpipe in one piece. It'll take a little longer but not a big deal imo.

01-20-2018, 01:25 AM	#4
gtengr Senior Member Join Date: Nov 2016 Drives: 2017 BRZ Location: USA Posts: 655 Thanks: 326 Thanked 258 Times in 177 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	They attach to the front subframe. Check out google images for pictures. Remove the nut on those, then unbolt the trans mount, then use a flat piece of wood to jack the engine by the oil pan enough to wiggle the overpipe out.

01-20-2018, 11:43 PM	#7
NRXRaptor Senior Member Join Date: Aug 2016 Drives: BRZ Location: Mendocino County Posts: 369 Thanks: 7 Thanked 96 Times in 75 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	I loosened the passenger side engine mount and jacked the engine up a few inches. Big success for me

01-21-2018, 11:59 PM	#9
NoobBRZ Member Join Date: Jan 2018 Drives: Blue brz Location: New Orleans Posts: 27 Thanks: 0 Thanked 6 Times in 5 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	I’d like to thank all for the advice and tips I finally got the overpipe out and installed my Headerback exhaust with no prior experience.... the car sounds amazing and I feel even better and extremely proud!

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