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Old 09-29-2007, 09:46 PM   #11  
lucastrex
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Default RE: c4 Transmission leak

Where is the vent tube located on the C4?
Do C4's ever stop seeping?
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Old 09-30-2007, 08:54 AM   #12  
73 Sportroof
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Default RE: c4 Transmission leak

I had a leak on a C6. I would leave a small spot when I drove every day, and if it sat for a weak it would lose a quart. It was the filler tube o-ring.
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Old 09-30-2007, 01:12 PM   #13  
USMCrebel
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Default RE: c4 Transmission leak

Quote:
could be a bad O ring
check the o-ring, change the gasket cork with rubber ends s what i used. sheck by the drive shaft.
ill go look at mine to see if i forgot anything.
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Old 09-30-2007, 04:12 PM   #14  
blue66mustang
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Default RE: c4 Transmission leak

Aksi it could be the torque converter draining back into the transmission. This would typicaly happen after sitting for a few days. Replace the "O" ring on the TQ shaft and it may fix this. But then again this requires removing the transmission.
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Old 09-18-2017, 04:04 PM   #15  
madjack
 
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does anybody know why my c4 leaks only after ive been at high speed for a few miles it looks like its pushing out the left rear of the pan
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Old 09-18-2017, 04:18 PM   #16  
Gun Jam
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are you sure its not seeping down from above? If you are sure you could try replacing the pan gasket.
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Old 09-18-2017, 05:58 PM   #17  
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Quote:
Originally Posted by Gun Jam View Post
are you sure its not seeping down from above? If you are sure you could try replacing the pan gasket.
nope its pissin out the corner of the pan put a new cork/rubber gasket on it and tighten them up .
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Old 09-18-2017, 08:21 PM   #18  
Gun Jam
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Did the new gasket solve the problem? Or are you saying the problem occurred after the gasket was replaced?
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Old 09-19-2017, 10:27 AM   #19  
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no it did it before i changed the pan .its a new pan and gasket. i tightened up the bolts till i thought they would snap. its better but still leaks at high speeds. is that new moroso rubber gasket with a steel core any good ?
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Old 09-19-2017, 10:34 AM   #20  
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check the pan lip and make sure its flat, use a straight edge.

check the seating surface on the trans for cracks

steel core gasket should do well at not deforming but it shouldn't take a ton of bolt pressure to stop it form leaking. You can try using a sealent like "right stuff" on both sides of the gasket. Torque to spec using a proper toqure sequence.
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