What would cause this?
12-11-2011, 11:32 PM
#1
What would cause this? So I pulled my trans to install a new clutch kit, slave, flywheel, and pilot bearing. I found what appeared to be a factory clutch kit (LUK) from my understanding but it seems odd. I haven't seen one look like this in terms of wear. I'm unsure of the amount of miles on this clutch because I have only had the car for the last year and 4,xxx miles I have put on it. I do know that the individual I bought the car from beat the hell out of it. I put about 20 miles a day on it and 16 are all highway so I don't think its anything I did. Here are a few pics. Let me know what you guys think. It almost feels and looks like someone smeared anti seeze on the flywheel and disc...
Presure plate:
Pressure plate side of disc:
Flywheel:
Flywheel side of disc:
Presure plate:
Pressure plate side of disc:
Flywheel:
Flywheel side of disc:
12-12-2011, 10:19 AM
#5
Everything on the back of the engine is clean. When I broke the flywheel bolts loose they seemed to leak a little oil as if the threads were oiled but other than that it was dry. The bellhousing is also dry and crusted with black dust. It's possible it had a leak at one time and they just reinstalled the clutch?
12-12-2011, 10:50 AM
#6
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Everything on the back of the engine is clean. When I broke the flywheel bolts loose they seemed to leak a little oil as if the threads were oiled but other than that it was dry. The bellhousing is also dry and crusted with black dust. It's possible it had a leak at one time and they just reinstalled the clutch?
Listen to Jeremy, If he isn't spot on then he is on the right track. Better to fix it now than chance it with a new clutch and ruin it.
12-12-2011, 05:03 PM
#7
Everything on the back of the engine is clean. When I broke the flywheel bolts loose they seemed to leak a little oil as if the threads were oiled but other than that it was dry. The bellhousing is also dry and crusted with black dust. It's possible it had a leak at one time and they just reinstalled the clutch?
I would pull the pilot bearing out, clean the hole in the back of the crank VERY well with brake cleaner and a rag. Check and make sure that plug isn't loose or cocked sideways for some reason. If it is loose or crooked then it will need to be pulled out and replaced (which isn't fun). If it is tight and straight take some RTV and seal around the plug. Then when reinstalling your flywheel bolts add some loctit to the threads to seal them up.
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12-12-2011, 06:13 PM
#8
It is possible that they fixed it and reinstalled it. But it wouldn't make much sense to slap the same oil soaked disk back in the car unless they were just doing a hack and patch job to get the back up and running to sell it.
I would pull the pilot bearing out, clean the hole in the back of the crank VERY well with brake cleaner and a rag. Check and make sure that plug isn't loose or cocked sideways for some reason. If it is loose or crooked then it will need to be pulled out and replaced (which isn't fun). If it is tight and straight take some RTV and seal around the plug. Then when reinstalling your flywheel bolts add some loctit to the threads to seal them up.
I would pull the pilot bearing out, clean the hole in the back of the crank VERY well with brake cleaner and a rag. Check and make sure that plug isn't loose or cocked sideways for some reason. If it is loose or crooked then it will need to be pulled out and replaced (which isn't fun). If it is tight and straight take some RTV and seal around the plug. Then when reinstalling your flywheel bolts add some loctit to the threads to seal them up.
12-15-2011, 10:36 AM
#10
So after pulling the clutch out I haven't been under the car again until last night when I took these pictures. The black stuff in the picture behind the pilot bearing was chunks of metal. I just used a magnet to get them out. I still haven't had the time to pull out the pilot bearing but I plan to do that later today if I can. Where do you guys think the oil is coming from?
12-15-2011, 10:59 AM
#12
Well it looks like the rear main seal is fairly dry and I don't see any oil behind the pilot. But I do see that your pilot bearing is totally trashed. So that is where the chunks of metal came from. Post some pictures of the nose of the input shaft too. It might be very worn.
The fluid could have been from a failed slave cylinder too. Its really hard to say for sure where it came from tho without a current leak.
The fluid could have been from a failed slave cylinder too. Its really hard to say for sure where it came from tho without a current leak.
12-15-2011, 11:36 AM
#13
Well it looks like the rear main seal is fairly dry and I don't see any oil behind the pilot. But I do see that your pilot bearing is totally trashed. So that is where the chunks of metal came from. Post some pictures of the nose of the input shaft too. It might be very worn.
The fluid could have been from a failed slave cylinder too. Its really hard to say for sure where it came from tho without a current leak.
The fluid could have been from a failed slave cylinder too. Its really hard to say for sure where it came from tho without a current leak.
12-15-2011, 04:32 PM
#16
I pulled the pilot bearing out and there was no oil behind it or on it. There was plenty of metal that was in a powder like form. I posted a picture of both sides of the bearing if that helps. I assume that the crank plug is behind the pilot bearing but I don't know. The only oil that is easy to see is in the flywheel bolt holes, and as soon as I broke the bolts loose they started leaking. Is it possible that my leak was from around the flywheel bolts? Is that possible. A rear main seal set is like $20 dollars so I may go ahead and replace it anyway but I just don't want to put it all back together if you guys think it may be the crank plug. I'm unsure of where that is located. I posted up a few pics if it helps any one and I also added one of the input shaft as requested.
12-15-2011, 04:42 PM
#17
Wow you got lucky with that input shaft. It's worn but not excessively. Clean it up with some emry cloth or a scotch bright pad befor you put it back in.
My only deduction is that the car had a previous rear main seal leak. They replaced the seal but didn't replace the oil soaked disk. I'd say put a generous amount thread locker on the flywheel bolts, new pilot bearing, new clutch and bolt it all back up.
My only deduction is that the car had a previous rear main seal leak. They replaced the seal but didn't replace the oil soaked disk. I'd say put a generous amount thread locker on the flywheel bolts, new pilot bearing, new clutch and bolt it all back up.
12-15-2011, 04:58 PM
#18
Wow you got lucky with that input shaft. It's worn but not excessively. Clean it up with some emry cloth or a scotch bright pad befor you put it back in.
My only deduction is that the car had a previous rear main seal leak. They replaced the seal but didn't replace the oil soaked disk. I'd say put a generous amount thread locker on the flywheel bolts, new pilot bearing, new clutch and bolt it all back up.
My only deduction is that the car had a previous rear main seal leak. They replaced the seal but didn't replace the oil soaked disk. I'd say put a generous amount thread locker on the flywheel bolts, new pilot bearing, new clutch and bolt it all back up.
12-15-2011, 06:58 PM
#20
DO NOT USE A BUSHING! T56 transmissions hate bushings. We have had many customers have high RPM shifting issues and they all had bushings in them. Replaced the bushing and the high RPM shift issue was gone. The bushing dragging on the input doesn't allow a complete power seperation when the clutch is disengauged so it causes the the synchro rings to do more work since there is still power being transfered through the input shaft.
You're welcome. That's what I'm here for. It doesn't look like an original LS1 seal to me. I'd put a new one in while it's apart. The reason oil leaked out of the bolt holes is because they are drilled all the way through the crank and open into the crank case. The bolts don't go down all the way to the end of the threads so there was some oil sitting in the threads. When you pulled the bolts out the oil leaked out.
You're welcome. That's what I'm here for. It doesn't look like an original LS1 seal to me. I'd put a new one in while it's apart. The reason oil leaked out of the bolt holes is because they are drilled all the way through the crank and open into the crank case. The bolts don't go down all the way to the end of the threads so there was some oil sitting in the threads. When you pulled the bolts out the oil leaked out.