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04-09-2021, 01:10 AM | #1 |
Scooby Newbie
Member#: 13060
Join Date: Dec 2001
Location: Longmont, CO, USA
Vehicle:2000 Impreza 2.5 RSt Silver |
STI 08 Pull Type Clutch Fork Range of Motion check needed
I have an 08 STI JDM transmission inside my 2000 RS with a Clutch Net 2.5 RS sized clutch+plate+ACT flywheel.
Used transmission came with a stock 08 STI fork and slave cylinder. I had this car for many years, and when I didn't drive it for a while, I would get this "sticking" of the clutch. As in, it wouldn't disengage when I pressed the clutch pedal. To remedy this, I would turn the car off, shift into 1st, then try to start it. The car would jerk a couple of times (as the starter was propelling the car forward), and then the clutch would release. Then, I could drive it normally, as in pressing the clutch pedal disconnected the input shaft from the flywheel. I didn't really worry about it, as I had other fun issues to work on. The problem wouldn't occur unless the car sat for a couple of weeks. Well, recently, I was driving it more often, and the issue didn't even come up for 6 months. Then, I was driving around neighborhood at medium speed and noticed I can't shift. I pulled over, and tried my "turn car off, shift into gear, use started to break the bind" trick. And it didn't work. So, now I can't get it disengaged at all. This setup has only about 15K on it, so I would like to avoid taking everything apart, since likely changing the PP+DISK+FW is not necessary. I am suspecting that maybe the "air gap" is wrong (maybe wrong terminology for Pull Type). In other words, the fork isn't pulling far enough to disengage the PP from the disk. I made this video from the top to show the range of fork travel after removing the boot. Can people please comment on whether it looks correct ? My other theories are: - Bad pilot bearing won't let go of the shaft. - Disk is stuck on the shaft Really tempted to spray WD40 over the shaft, but that's the last resort, as I know it will get on the FW. Thanks!
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Last edited by BigKuma; 04-10-2021 at 10:22 PM. |
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