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Re: 2001 Chev Van 4L80E code 1870
Posted to Transmission Forum on 10/6/2005 1 Reply

Hey Walter been there done that. What you need to do is replace the converter with an updated one or an earlier one. The reason is your converter has rivets that like to seperate and this causes a leak in converter clutch apply [...] the torque converter! Howa... Login to read more.

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