HOW DO I TELL IF MY TRANNY IS A 3T40 OR A 4T40E ON MY 2000 CHEVY CAVALIER AUTOMATIC

Asked by MROWLEY3 Mar 21, 2012 at 06:14 PM about the 2000 Chevrolet Cavalier

Question type: Maintenance & Repair

1 Answer
595

Dan answered 12 years ago

If you know if it is 3 or 4 speed is the simplest way. 3t40 being a 3 speed and 4t40e being a 4 speed. Also if you have the 2.3 or 2.4L engines you have the 4t40e. If you have the 2.2l it could be either or. If these steps haven't helped you you can look on the transmission for the ID plate the following site will show you locations of ID plates for both types. http://www.autozone.com/autozone/repairguides/GM-Cavalier-Sunfire-1995-2000-Repair-Guide/SERIAL-NUMBER-IDENTIFICATION/Transaxle/_/P-0900c1528003c9d1

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