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How to fill a GM 4T40E trans?
Posted to Transmission Forum on 6/12/2003 7 Replies

Ok... I know you have to fill the trans from the hole where the red cap is. And... I know you have to remove the 11mm plug above the pan. I filled it up while running (took 9QTS?) and it started to run out. Leaving it running.. it just keeps coming out and I a... Login to read more.

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