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04-11-2012, 02:15 PM | #1 |
Scooby Newbie
Member#: 107170
Join Date: Feb 2006
Location: Bay Area
Vehicle:2002 ver 7 EJ207 WRX WRB |
Motor swapped, new clutch will not engage: FIXED
I installed a new Exedy OEM (KSB03 from Amazon) when the motor was out. Everything was buttoned up. Newly resurfaced flywheel, new pilot bearing, installed the disc (flush side against flywheel, with the engraving "T/M side" facing the tranny), used alignment tool, then installed the clutch pressure plate. I then snapped the greased throw out bearing onto the pressure plate, engaged the clutch fork into the two fingers, and dropped the motor in.
With the car OFF, the transmission allows me to select all the gears without the clutched engaged. With the clutch depressed, I start the car and it idles fine in neutral. However with the car idling, I cannot engage any gears if I try to engage the clutch. After searching, I found this thread Can't change gears when running. So I decided to give it a try. With the car off, I put the transmission in first gear. Start car and sure enough the car lurches forward just like the other thread stated. I tried it a few times, and then shuts the car off with the car in first gear. Now the tranny is stuck in first and I can't disengage the gear. I bled the slave cylinder, and then replace it due to busted seal. I used the vacuum bleeding method. The clutch pedal stays down after depressing it, but I can feel the hydraulic pressure as it has about 2 in of pressure if I fully depress it to the floor. I will try to bleed (for the umpteenth time) the system again. What could cause the engagement problem? Is this a "stuck clutch"? What would cause the clutch to be stuck? Or does this have anything to do with the hydraulic not providing enough pressure to push the throw out bearing? I will look down the clutch fork hole to verify it is still engaged to the TOB. I would hate to have to pull the motor again.... Thanks -Jeff
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Last edited by efiniluvr; 04-11-2012 at 03:30 PM. |
04-11-2012, 02:59 PM | #2 |
Scooby Newbie
Member#: 104289
Join Date: Jan 2006
Chapter/Region:
MWSOC
Location: NW Burps Chicago
Vehicle:05 ForesterXT CGM |
Sounds similar to my engine swap fun.
Did you remove the slave cylinder and compress the pin in with a c-clamp then bleed it while the bleeder valve was kept as the highest part on the slave? This made the difference for me. I bled mine twice THAN read the manual to find the proper method. :-) Oh by the way, I did pull my motor a second time before i figured this out. LOL I suggest getting another pair of hands to help bleed. Do it the old fashion way too. Use the pedal, be sure whoever is pushing on the pedal gives it some pumps then holds the pedal down while you relieve the bleeder. This worked best. If the pedal stays down towards the floor, reach down and pull it up. Should only have to do it once or twice before it comes back up by itself. Last edited by FXTRunner; 04-11-2012 at 03:04 PM. |
04-11-2012, 03:37 PM | #3 |
Scooby Newbie
Member#: 107170
Join Date: Feb 2006
Location: Bay Area
Vehicle:2002 ver 7 EJ207 WRX WRB |
Update: Fixed, easily for once
Took off the TMIC to gain access to the clutch fork hole. Released the clutch pedal to release the pressure off the slave cylinder. Once depressurized, I looked in and wiggled the fork. Fork was somewhat stuck, but with a bit more force, I was able to slide the throw out bearing. Reconnected the slave cylinder onto the fork and checked the clutch pedal. Voila, not only did my clutch pedal regain the entire travel, pressurized, but I was able to disengage the transmission and take the car out of gear!!! Reinstalled everything and crossed my finger before I turned the key. Car starts up and now the transmission shift perfectly. Drove around the block and everything is back to normal. What a feeling, not being able to drive the Subie for the last 9 months. Conclusion: Make sure your throw out bearing slides smoothly before you finish up your swap or bleeding your clutch hydraulics. -Jeff |
04-11-2012, 05:10 PM | #4 |
Scooby Specialist
Member#: 214192
Join Date: Jun 2009
Chapter/Region:
South East
Location: Atlanta
Vehicle:2003 WRX WRB |
Pump the clutch pedal at least 50 times before you try anything.
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04-17-2012, 09:58 AM | #5 | |
Scooby Newbie
Member#: 213282
Join Date: Jun 2009
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Quote:
FXTRunner can you please some more details about the way you bleed it? I'm lost 'Did you remove the slave cylinder and compress the pin in with a c-clamp then bleed it while the bleeder valve was kept as the highest part on the slave?" I have 1999 jdm STi Ra. Thanks in advance, Dan |
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04-17-2012, 10:31 AM | #6 | |
Scooby Newbie
Member#: 104289
Join Date: Jan 2006
Chapter/Region:
MWSOC
Location: NW Burps Chicago
Vehicle:05 ForesterXT CGM |
Quote:
When you say engagement is hard do you mean pushing the pedal is difficult? If you have air in the system the pin will hardly move and the pedal feel is really soft. |
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04-17-2012, 09:25 PM | #7 | |
Scooby Newbie
Member#: 213282
Join Date: Jun 2009
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Quote:
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08-17-2018, 03:02 PM | #8 |
Scooby Newbie
Member#: 490301
Join Date: Aug 2018
Location: Charlestown
Vehicle:2002 Subaru wrx Black |
I’m having similar problems
I installed a new motor clutch and throw out bearing and reassembled the car tested everything out went in to ever gear perfect and then I realized I had a pin hole in my oil pan so I shut it off orderd new oil pan got the oil pan so I went to move car and put it up on ramps and now my car won’t go into gear while it’s running like the clutch isn’t engaging All the way goes into ever gear when car isn’t running and if I go to start car when it’s in gear it try’s to roll forward if I’m starting in first so could it be that my tob wasn’t fully clipped in any ideas would really help me
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08-17-2018, 04:12 PM | #9 | |
NASIOC Supporter
Member#: 30669
Join Date: Dec 2002
Chapter/Region:
Tri-State
Location: USA, North NJ, 07456
Vehicle:1998 Legacy 2.5GT Silver Sleeper BK, 5MT |
Quote:
The pressure plate clamps the clutch. An assembled clutch with the engine on a stand has an engaged clutch meaning it will transmit power. The clutch pedal (cable,or hydraulic) DISENGAGES the clutch. Sounds like your clutch will not disengage, thus it won't change gears engine running but will engine off. Your ToB is NOT the issue........ Period...... What year and model Subaru? How many miles? Any trans/clutch work done recently? Fill in some huge blanks. Last edited by Charlie-III; 05-22-2019 at 11:21 PM. Reason: Fix typo. |
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08-17-2018, 05:58 PM | #10 |
Scooby Newbie
Member#: 490301
Join Date: Aug 2018
Location: Charlestown
Vehicle:2002 Subaru wrx Black |
I installed new motor and new clutch and throw out bearing and put it all in drove great shifted great then parked it for a week now it feels like the clutch is working just not quite enough to put into gear the car is an 02 wrx
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08-17-2018, 06:12 PM | #11 |
Scooby Newbie
Member#: 490301
Join Date: Aug 2018
Location: Charlestown
Vehicle:2002 Subaru wrx Black |
I just don't understand what happend in a week of it sitting that it's not disengageing all of a sudden and was trying to get any ideas before I go and pull motor again
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08-17-2018, 06:18 PM | #12 | ||
NASIOC Supporter
Member#: 30669
Join Date: Dec 2002
Chapter/Region:
Tri-State
Location: USA, North NJ, 07456
Vehicle:1998 Legacy 2.5GT Silver Sleeper BK, 5MT |
Quote:
Quote:
Maybe look up adjusting a hydraulic clutch when installed new. Likely (assuming master was bled as well as slave, then again based on this thread.......who knows......search.....), see what makes sense, follow threads..... Give info, maybe replies..... |
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03-23-2019, 04:01 PM | #13 |
Scooby Newbie
Member#: 486872
Join Date: Jun 2018
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I did a 6 speed swap on my EJ207 05 WRX with a 6 speed resurfaced flywheel and a south bend stage 1 clutch, and the clutch will not fully engage, i can HIGH REV and BARELY MOVES, forward or in reverse.the clutch master and slave cylinder are not leaking any where. whats wrong? we put the car on a lift and front right tire rotates in 1st gear and rear left tire rotates. so looks like it whats to go but when it touches the ground it barely goes any were.
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05-22-2019, 10:38 PM | #14 | |
Scooby Newbie
Member#: 500389
Join Date: Apr 2019
Location: East Lansing, MI
Vehicle:2018 WRX WRB |
Quote:
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