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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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12-06-2023, 04:53 PM | #29 | |
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Using the housing bolts and wrenching them down is a no-no. It will take a bit of wiggle and proper alignment, but the housing should come together with the engine by hand. If you torqued down the transmission with the bolts without pushing together the assemblies by hand, you could essentially press out the pilot bearing. Not sure how to inform that, but there shouldn't be resistance when doing up the bolts. If you're confident with how you put it together, then it should be fine |
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12-06-2023, 06:17 PM | #30 | |
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The reason I was blaming the dowels was that if I was pressing the pilot bearing into the flywheel further I would expect that the trans would be easy to back off when I let the bolts out some. This was not the case, it only really moved easily on the left side but not the right. Ah man I really don't want to have to do this again. |
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12-06-2023, 06:29 PM | #31 |
義理チョコ
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Patience, Grasshopper.
Likely the friction disc isn't centered closely enough. It can be a pain. Drop the trans and double check alignment with your tool inserted in a few different angles. If it seems to bind even slightly, loosen pressure plate and do over. You'll get it!
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12-06-2023, 06:39 PM | #32 | |
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12-06-2023, 07:32 PM | #33 |
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Oh, sorry... yes, it should.
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12-06-2023, 08:10 PM | #34 |
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I don't mean to be high and mighty but...
HAHA! I WAS RIGHT! Big breath of relief all around. Pulled the bolts, backed it out once again the right side being the sticking point. Shined a light down in the splines and the pilot bearing is still flush with the surface of the flywheel. Once again all my troubles are indeed because of those corroded dowel pins and pin holes. Seems like getting them clean does not also restore the hole to the original tolerance so I'm fighting that corrosion back into the hole. Seems like I'm one of those unfortunate fringe cases where everything is harder than it should be. Should anyone else stumble on this having the same problem I do not endorse doing it this way unless you have exhausted all other options. I would even try running a metal pipe brush through the pin holes on the trans to try and clear things out (didn't have one and the hardware store is 18mi away). Like I said, I did not start wrenching away on it as soon as I couldn't get it; I started working it down back and forth by hand and tightening the bolts by hand making absolutely sure that the gap stayed even all the way around the bellhousing. |
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12-06-2023, 08:11 PM | #35 |
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Going to doublecheck alignment and then put it back on. Hopefully with the hole cleaned out it will shoot down the dowels this time.
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12-07-2023, 11:12 PM | #36 | |
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It's all back together, plugged in, and full of oil, but now she doesn't want to start. It was full dead for a bit but then I had it catch and almost take off. I suspect that removing the battery power and clearing the ECM temp memory really pissed off the OFT E85 tune. The massive temp swings probably aren't helping any. I'm gonna reflash the ECU with the E85 tune tomorrow and see if that gets me anywhere. |
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12-08-2023, 09:45 AM | #37 |
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12-08-2023, 01:48 PM | #38 | |
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12-08-2023, 01:55 PM | #39 |
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I need crank, no start, no code ideas now. I reflashed but I'm still not having the engine catch and run. It will sometimes run just a little bit but it won't rev up to a cold idle and the starter seems to be keeping it going.
It's got E85 in the tank and it's relatively fresh, I refilled about two weeks ago. I can smell fuel after it cranks for a while (the signal to give up and let it sit) so I know injectors are flowing at least. I gave the connectors a second going over and everything is correctly plugged in. Not sure if flashing to a stage 1 tune would help me any here. I've got a buddy coming with a battery charger since I've cranked it about dead. Ether maybe? I've never had it be this much of a cold bitch especially since it's about 52F out and it never gives me trouble above 36F. |
12-09-2023, 07:29 AM | #40 |
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12-09-2023, 11:06 PM | #41 | |
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Wouldn't it being misaligned result in a P0335 error like Khrono had? Or if I had really jacked up the timing plate shouldn't it be panicking and throwing a P0016 since it would appear to the ECM that the crank is out of alignment? Definitely a valid concern but the reason I don't jump to agree is that I have no codes and the engine is literally on the cusp of starting most of the time. It acts identically to when I'm working out of a hotel in 10 degree weather and trying to start the car with a tank full of e85 leading me to immediately think "tune problem". |
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12-09-2023, 11:15 PM | #42 |
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Relevant page from the service manual. There's a single alignment pin in the crankshaft.
https://gt86stuff.onrender.com/t3Por...041LF007X.html
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