04-27-2020, 11:50 AM
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#1
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Registered User
Join Date: Sep 2009
Location: toronto
Posts: 2,668
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Quote:
Originally Posted by Emerald
Thanks for the feedback! Here's a picture. Looking forward to you're all sage advice, options, and speculation.
pictures 
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Wow that is a serious droop. Something in the exhaust muffler mount up top must have gone as well. You should be able to see a problem right where the muffler mounts the back to the back of the trans.
I would not drive the car obviously.
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986 00S
Last edited by jaykay; 04-27-2020 at 11:53 AM.
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04-27-2020, 08:05 PM
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#2
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Registered User
Join Date: Feb 2019
Location: Bay Area CA
Posts: 24
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Went under with a friend and carefully examined best we could without seeing anything suspicious. I jacked the drooping pipe and no sound indicating a broken bracket. Called Bill at Pelican and he thinks it’s probably a transmission mount as some of you thought so as well. If the engine etc is only suspended by two trans mounts and one engine mount seems to reason it must be the trans mount on one side. Please correct me if I’m wrong. That being said I’m ready to pull the trigger on a new one(s). Since I do drive hard on bumpy roads both would seem to make sense. Any opinions or experience about the reinforced type ... somewhere between the Wevo and OEM? Any brand of mount recommendations? Maybe anything but OEM would be too stiff for my roads?
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2002 Boxster S
2002 BMW M5 Dinan stage 3
2017 Honda Ridgeline
2008 Toyota 4Runner
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04-28-2020, 10:35 AM
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#3
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Registered User
Join Date: Dec 2009
Location: Orange County, CA
Posts: 2,003
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sorry just re read your original post and noticed that you mentioned that the cat is resting on the sway bar, most likely it's due to a worn (or broken) mount...
Have you tried to jack up the engine (with a wooden block) to it's original position?
Last edited by Gilles; 04-28-2020 at 12:10 PM.
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05-04-2020, 02:47 PM
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#4
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Registered User
Join Date: Feb 2019
Location: Bay Area CA
Posts: 24
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Disaster bummer. Exposed everything and found the differential case broke off at the bolt. (of course this is after foolishly buying new transmission mounts). My nephew used to be an instructor and Wyotech and said it would be hard but thinks he can weld it, and add a metal plate for more reinforcement. If we do it I'm going to have him reinforce the other side at the same time. I'm going to do some more research to see if this has ever happened to anyone else before. I googled '986 differentials' and nothing but a 5speed came up. Any advice would be well received.
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2002 Boxster S
2002 BMW M5 Dinan stage 3
2017 Honda Ridgeline
2008 Toyota 4Runner
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05-04-2020, 04:22 PM
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#5
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Registered User
Join Date: Feb 2017
Location: Stockholm
Posts: 375
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Never seen that one before... Have you hit any roadbumps or something that you're aware of?
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05-04-2020, 06:52 PM
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#6
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Registered User
Join Date: Jan 2019
Location: PA
Posts: 1,726
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Quote:
Originally Posted by Emerald

Disaster bummer. Exposed everything and found the differential case broke off at the bolt. (of course this is after foolishly buying new transmission mounts). My nephew used to be an instructor and Wyotech and said it would be hard but thinks he can weld it, and add a metal plate for more reinforcement. If we do it I'm going to have him reinforce the other side at the same time. I'm going to do some more research to see if this has ever happened to anyone else before. I googled '986 differentials' and nothing but a 5speed came up. Any advice would be well received.
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Something must have been wrong with another mount(s) I can't imagine that such a small aluminum tab with such tiny gussets would be designed to hold so much weight that the motor would drop 2" if it broke.
Is that where the L-shaped part of the tranny mount bolts? If so, is the top bolt of that L-shaped bracket missing? That's the only way I could see something like that happening.
Last edited by piper6909; 05-05-2020 at 06:44 AM.
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05-05-2020, 09:48 AM
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#7
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Registered User
Join Date: Dec 2009
Location: Orange County, CA
Posts: 2,003
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Emerald, this happen to one of my X1/9 transaxles (where the slave mounts on the tab on top), took the gearbox to a friends shop and they welded the aluminum tab back again and with the extra welds seemed stronger than originally, and never had an issue afterwards, but I had to remove the transaxle to be properly welded..
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05-05-2020, 10:00 AM
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#8
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Registered User
Join Date: Jan 2019
Location: PA
Posts: 1,726
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Quote:
Originally Posted by Gilles
Emerald, this happen to one of my X1/9 transaxles (where the slave mounts on the tab on top), took the gearbox to a friends shop and they welded the aluminum tab back again and with the extra welds seemed stronger than originally, and never had an issue afterwards, but I had to remove the transaxle to be properly welded..
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I had one those in high school! Definite chick magnet, but tons of problems!
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05-05-2020, 10:22 AM
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#9
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inveniam viam aut faciam
Join Date: Mar 2014
Location: Arvada, CO
Posts: 441
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Quote:
Originally Posted by Emerald

Disaster bummer. Exposed everything and found the differential case broke off at the bolt. (of course this is after foolishly buying new transmission mounts). My nephew used to be an instructor and Wyotech and said it would be hard but thinks he can weld it, and add a metal plate for more reinforcement. If we do it I'm going to have him reinforce the other side at the same time. I'm going to do some more research to see if this has ever happened to anyone else before. I googled '986 differentials' and nothing but a 5speed came up. Any advice would be well received.
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Wow, broken transmission case. That must have been quite a hit. That tab is part of the front half of the transaxle assembly including the bell housing and differential housing. I am wondering if the mount bracket or upper mount bosses are broken as well. To do that right, it will have to be removed and disassembled. At that point, you might consider just replacing the whole transmission.
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'03 S, manual, 18" Carrera wheels, PSM, PSE, Litronic, 996 Cluster, +
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05-06-2020, 11:16 AM
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#10
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Registered User
Join Date: Jul 2011
Location: Richmond, VA (The Fan)
Posts: 978
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Yikes...sorry I led you down the wrong road. I’ve haven’t seen this failure before. Is that an automatic transmission?
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1997 Boxster 4.2L Audi V8 Bi-Turbo
2003 911 C2
NASA HPDE Instructor
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05-06-2020, 04:59 PM
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#11
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Registered User
Join Date: Sep 2009
Location: toronto
Posts: 2,668
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Wow so the case broke right where the trans mount bolts up? Apologies, never thought about that. That explains the angle
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986 00S
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