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Mechanical Maintenance (Oil, Fluids, Break-In, Servicing) Everything related to the mechanical maintenance of the FR-S and BRZ


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Old 03-26-2018, 03:31 PM   #15
EndlessAzure
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Originally Posted by ermax View Post
When I did my TOB I didn't support the front on the way off and spent almost 2 hours trying to get it off the lower studs. It wasn't until I said fuck it and pushed the jack aside and man handled it (not a good idea) that it came off. Once it was finally off I realized how far forward the engine tips which explained my difficulty getting it off. I supported the engine before putting it back on and WOW what a difference. I jacked it up enough and get it on the lower studs and then a single gentle push of the jack and the thing went right on. I could kick myself in the ass for skipping the front engine support.

Anyways, I feel sorry for anyone who does that job without jacking the front of the engine.
Luckily I was able to do my work under a lift thanks to a favor by my friend. We had a transmission jack. Pulling it out was a little challenging, but we managed. Lost a bunch of gear oil in the process though.

We opted to remove the two lower studs before putting the transmission back in, which made the process much easier. We reinstalled the studs once we got the transmission mostly aligned with its guide pins and surround bolts

Obviously, if I had remembered to support the engine, we may have had an even easier time
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Old 03-26-2018, 11:10 PM   #16
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Originally Posted by Ultramaroon View Post
After I get the back of the transmission separated, I wrap around the front of the engine and tie to the tower braces with a big fucking strap.


Oh that is a great idea. I used a wood block to get a jack on the water pump (not on the pulley) but really didnít like doing it that way. Your method sounds way better.
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Old 03-26-2018, 11:46 PM   #17
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Oh that is a great idea. I used a wood block to get a jack on the water pump (not on the pulley) but really didnít like doing it that way. Your method sounds way better.
Thanks. Fair warning; it can be cinched up tightly enough to do damage.
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Old 03-26-2018, 11:54 PM   #18
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@Ultramaroon @guybo @humfrz @Fuergrissa and any others

See below videos, taken from in-car (phone) and from Dash Camera. If necessary, I'll transfer to youtube for longer term preservation. Vibration severity much more apparent in Dash Camera footage
https://drive.google.com/drive/folde...cJ?usp=sharing


Modifications/changes of interest:
  • TOB Service - Aftermarket pressure plate, clutch disk, flywheel, TOB, fork, and pivot: Verus/Velox Fork&Pivot, ACT SB7-HDSS Full-face Street Clutch with Streetlite Flywheel

Description of events:
  1. Pull from 1st gear (no issues)
  2. Shift into 2nd gear, bring speed/revs down to 1k rpm, 30% to 50% throttle pull to 3k RPM.
    • Noted flywheel chatter, very minor vibrations up to ~2.2k RPM.
  3. Shift into 4th gear, bring speed/revs down to 1k rpm, 30% to 50% throttle pull until vibrations stop ~2k RPM.
    • Noted flywheel chatter, moderate vibrations between ~1.8k to 2k RPM.
  4. Shift into 6th gear, bring speed/revs down to 1k rpm, 30% to 50% throttle pull until vibrations stop ~2k RPM.
    • Noted flywheel chatter, moderate/severe vibrations ~1.3k to 2k RPM.
  5. Upshift into 3rd gear/2nd gear and allow engine braking.
    • Noted mild flywheel chatter between 3k and 2k RPM
  6. Come to stop.
No apparent issues at non-lug conditions.
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Old 03-27-2018, 12:00 AM   #19
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Not rod knock so thatís a relief. I think youíre just going to have to get under there a retorque everything. Something must have been missed.
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Old 03-27-2018, 12:42 AM   #20
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Thanks. Fair warning; it can be cinched up tightly enough to do damage.
Ultramaroon 's engine lifter .......


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Old 03-27-2018, 12:47 AM   #21
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............No apparent issues at non-lug conditions.
Thanks for posting the videos ....... but, I can't seem to separate out the sounds that you're referring to......

No help, but, maybe your new clutch system just doesn't like to be lugged ....


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Old 03-27-2018, 01:34 AM   #22
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Thanks for posting the videos ....... but, I can't seem to separate out the sounds that you're referring to......

No help, but, maybe your new clutch system just doesn't like to be lugged ....


humfrz
I can live with not lugging the system .

Just checking all my bases and making sure nothing will go horribly wrong.
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Old 09-01-2018, 01:41 AM   #23
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Did you ever find a resolution to this? I had a clutch job and it resulted in these exact vibrations/buzzing from 1.5k-2k. The whole cabin reverberates.
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Old 09-03-2018, 01:45 PM   #24
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@Fuergrissa @mabviper @EndlessAzure I can also confirm additional driveline vibration at low RPM's after I had my throw out bearing replaced. For awhile I just figured it was a symptom of a new part, and was mindful of keeping rpm's higher.

But a week ago I replaced my transmission mount (did a whiteline insert actually) and it pretty much removed that nasty low-rpm vibration. Try a whiteline insert or perhaps an STi transmission mount, see if it fixes your issue.
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Old 09-04-2018, 02:46 AM   #25
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@Fuergrissa @mabviper @EndlessAzure I can also confirm additional driveline vibration at low RPM's after I had my throw out bearing replaced. For awhile I just figured it was a symptom of a new part, and was mindful of keeping rpm's higher.

But a week ago I replaced my transmission mount (did a whiteline insert actually) and it pretty much removed that nasty low-rpm vibration. Try a whiteline insert or perhaps an STi transmission mount, see if it fixes your issue.
Negative. I've had the bracing from the start and have the vibrations
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Old 09-04-2018, 07:24 AM   #26
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@Fuergrissa @mabviper @EndlessAzure I can also confirm additional driveline vibration at low RPM's after I had my throw out bearing replaced. For awhile I just figured it was a symptom of a new part, and was mindful of keeping rpm's higher.

But a week ago I replaced my transmission mount (did a whiteline insert actually) and it pretty much removed that nasty low-rpm vibration. Try a whiteline insert or perhaps an STi transmission mount, see if it fixes your issue.
Thanks for the update. If you were experiencing the same as EndlessAzure's video, then this is good news. Leads me to believe that the transmission mount wasn't installed properly.

I'll probably mount a camera to see if that's actually the case.

Sent from my Nexus 6P using Tapatalk
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Old 09-05-2018, 12:34 AM   #27
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Originally Posted by EndlessAzure View Post
@Ultramaroon @guybo @humfrz @Fuergrissa and any others

See below videos, taken from in-car (phone) and from Dash Camera. If necessary, I'll transfer to youtube for longer term preservation. Vibration severity much more apparent in Dash Camera footage
https://drive.google.com/drive/folde...cJ?usp=sharing


Modifications/changes of interest:
  • TOB Service - Aftermarket pressure plate, clutch disk, flywheel, TOB, fork, and pivot: Verus/Velox Fork&Pivot, ACT SB7-HDSS Full-face Street Clutch with Streetlite Flywheel

Description of events:
  1. Pull from 1st gear (no issues)
  2. Shift into 2nd gear, bring speed/revs down to 1k rpm, 30% to 50% throttle pull to 3k RPM.
    • Noted flywheel chatter, very minor vibrations up to ~2.2k RPM.
  3. Shift into 4th gear, bring speed/revs down to 1k rpm, 30% to 50% throttle pull until vibrations stop ~2k RPM.
    • Noted flywheel chatter, moderate vibrations between ~1.8k to 2k RPM.
  4. Shift into 6th gear, bring speed/revs down to 1k rpm, 30% to 50% throttle pull until vibrations stop ~2k RPM.
    • Noted flywheel chatter, moderate/severe vibrations ~1.3k to 2k RPM.
  5. Upshift into 3rd gear/2nd gear and allow engine braking.
    • Noted mild flywheel chatter between 3k and 2k RPM
  6. Come to stop.
No apparent issues at non-lug conditions.
My car does similar things, I thought it's normal when you lug it? I bought it used though so not sure if it does the same brand new.
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Old 09-05-2018, 12:42 AM   #28
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My car does similar things, I thought it's normal when you lug it? I bought it used though so not sure if it does the same brand new.
Yes, the car should shake a bit when you lug it.



But the severity can depend on mods and any present issues. If you watch my video, you can tell how badly the car is shaking from the recording.
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