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Old 06-02-2004, 07:13 AM
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turbo 350 leak, front seal area

Hi everyone! I have a 1972 Chevelle 360inch, 177ci weiand blower, allum, heads.... My problem is with my tranny, turbo 350 I installed new seals front and rear and it is still leaking as soon as I fire the motor up. I checked the torque convert, looks ok no cracks.... and help would be great, I'm tring to get my car together for my son's car show on friday. Thanks

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Old 06-02-2004, 08:09 AM
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SEAL

What happens sometimes is the spring that is on the back of the seal will pop out when you are installing it. I pack grease around that spring to prevent this from happening. I assume there are no groves in the converter. Also if the front pump bushing is bad it will do the same thing.

Keith
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Old 06-02-2004, 01:08 PM
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Cool

Did you check the position of the converter bushing in the pump?

If the bushing has walked forward into the seal it will leak quite a bit of fluid.

The edge of the bushing should be flush with the pump body
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Old 06-03-2004, 06:20 AM
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thanks

thanks for the help guys I'm going to pull the tranny out tonight.
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Old 06-03-2004, 03:29 PM
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Its also possible that the 0-ring on the front pump is leaking too.
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Old 06-03-2004, 06:32 PM
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Quote:
Originally posted by Jmark
Its also possible that the 0-ring on the front pump is leaking too.

======= since he posted that the leak starts when the engine is fired up , this indicates a pressure leak. The O-ring around the pump would drip continuously.

He could have a cooler line leaking .... mayb?
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