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4l70E oil lead from bellhousing.

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Old 04-09-2009, 11:18 AM
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Default 4l70E oil lead from bellhousing.

07 classic vmax. I am having a trans fluid leak from the bellhousing washed it off multiple times. Is there a common problem I need to look for. Front seal, or the oil pump to case seal that has been a prevalent issue with these trucks. I only have a little over 11K on it and have not beaten on it pulled etc. Pulled the plugs and it is not leaving a easy to trace trail when I look in there with a flash light.
Old 04-09-2009, 04:47 PM
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Know problem with your truck. There is a TSB out for this. The leak is coming from the TC. Has something to do with rough machined splines. Call your dealer.
Old 04-09-2009, 04:53 PM
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Ok guess it's going in for warranty. Could do it myself but thats why I bought a new truck.
Old 04-09-2009, 07:11 PM
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The front pump seal is leaking, and there is a tsb for that.
Old 04-10-2009, 03:17 AM
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prob a Bad Seal or the TC . .. had my driveshaft blown . And tranny rebuild and No leak issues'
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