Losing tranny fluid

gmbwrenchn · 01-03-2014, 05:39 PM

2001 Lumina. 3.1ltr. lost all tranny fluid this morning. Was a gradual fluid loss. Was able to pull the codes on it. PO757 AND PO742. All lines are ok. Was able to see that the fluid loss is coming from a vent on top of the trans. It's pouring out while it's running. I know the codes reference solenoid valve. Just want to know if that's the problem. I can replace those myself. Talked to a trans. shop and they said it's a blown gasket inside. Gonna charge me $850. Any help on this is appreciated, thanks.

rhandwor · 01-04-2014, 01:10 PM

Quote:

Originally Posted by gmbwrenchn

2001 Lumina. 3.1ltr. lost all tranny fluid this morning. Was a gradual fluid loss. Was able to pull the codes on it. PO757 AND PO742. All lines are ok. Was able to see that the fluid loss is coming from a vent on top of the trans. It's pouring out while it's running. I know the codes reference solenoid valve. Just want to know if that's the problem. I can replace those myself. Talked to a trans. shop and they said it's a blown gasket inside. Gonna charge me $850. Any help on this is appreciated, thanks.

You can always purchase a used transmission. Ask a couple of shops about the leak.

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