ATSG CONFIRMED FIX - AUGUST 2022

2015 Chevy Impala 2.4L 6T40E


Complaint: vehicle wanted to move forward with shifter in reverse. The problem happened suddenly and had no previous complaints until this started.

Cause: rubber on the pump gasket separator plate had blown out pieces of the rubber which were getting into the valve body and the separator plate. Some of the rubber got into the small orifice feed holes, which caused the symptoms.

Correction: replace the gasket and clean out the valve body and separator plate

Year Make and Model of the Vehicle: 2015 Chevy Impala 2.4L

Shop Name: The Transmission Shop

Transmission: 6t40E generation 3

Additional Notes: This problem with the gasket blown could cause just about any type of complaint depending on where this rubber was going to end up in the valve body and what holes in separator plate were to get blocked.

Pictures/Diagram: Included below:


Find thousands of Confirmed Fixes, Quick Reference Guides, Bulletins & Video Tutorials in the ATSG Member exclusive Tech Library along with unlimited calls into the tech hotline by joining ATSG today: https://bit.ly/ATSGmembership