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Posted by ONR, Apr 25, 2003
Drivetrain Tech - 4G63 transmission, clutch, flywheel, driveshaft, gears, differentials, transfer case, shifter, etc.
can this hurt anything???
eh,i don't know what could happen..
on the 3rd day, the clutch started to feel like jello. So we thought it was the slave cyl, replaced it... still not working. but at the same time, there was this horrible squeeling noise, figured it was the throw out bearing. Went to replace that and realized the bell housing was cracked under the top hole on the intake side of the tranny, towards the exhaust side. Also the top hole on the exhaust side is completely broken off, on the bottom of the block on the exhaust side the ear is broken off.
Now when it was taken apart, there are not marks on the flywheel, pressure plate, disc or input shaft.
The one odd thing is that the line up pins that are in the block are now stuck in the tranny.
What would have caused this to happen? Any ideas are greatly GREATLY appreciated. Just a little background in case anyone needs to know, ACT 2100, RRE Lightened flywheel, and a new transmission. And i hope this makes sense... as to i am about to go insane....
honestly im as lost as you.
heres the problem
Recently the bolts connecting the bell housing to the block came loose..Making it hard to put into gear and it was grinding into the gears. I tigtened them up and all was fine..until yesterday, when I realized this was happening again. I looked uder the hood and car and all the bolt were tight. Then I realized that by the bolt that is closest to the bottom motor mount, the block was cracked right after the bolt and that the bell housing was shifting because of that everytime I pushed in the clutch. So a mechanic thinks that it can be welded, I need to know if this is possible. He is talking about welding the crack and then welding a plate to the motor mount w/ a 90 degree angle to the bolt and thread the bolt through the holein the plate and back into the block. This may be hard to understaand. I would like to know any input..
Also, use some lock-tite on the threads.
Have you recently had the timing belt replaced? It sounds like you might be getting some vibration that may be causing your bolts loosening. I had a problem on a car I picked up and the rear balance shaft was 180 off and causing vibrations that the seller though was bad bearings. Its bolts were coming loose in the bellhousing from that.
thanks alot guys,