If your year is 1997 and newer, the kit will include the molded piston kit as well so it does cost a little more than the others. Please note you will need to select your year from the drop down menu. The standard kit featured above is part number OPT-4L60E-RB and features everything you see in the first photograph. We offer two versions of a 4L60E rebuild kit: a standard better-than-stock package, or the high performance rebuild kit. The manual covers assembly, dis-assembly, diagnosis, troubleshooting, and electronic controls & operation.

This 4L60E manual will cover the GM THM 4L60-E Transmission found in 1993 and up trucks and vans, 1994 and up passenger cars. If you are planning to rebuild your transmission on your own and do not already have a good resource manual, we highly recommend this product from ATSG. Their manuals are excellent resources for DIY-ers and professional shops alike. If you have any questions, please feel free to contact us at MANUALĪTSG is the leading manufacturer of technical rebuild manuals for automatic transmissions.

Outlined below are each of the items we recommend, a description and the corresponding part number on our site. If you are only interested in tackling what can be done with the transmission still in the vehicle, you can still accomplish quite a bit with the following items: If you are ready to take the transmission out and do the whole thing only once, the parts we typically recommend consist of the following: A common question regarding the 4L60E is, “what upgrades do you recommend while I have the transmission out, and what can I do if I don’t want to take the whole thing apart?”

The 4L60E/4L65E/4L70E and 4L75E transmission is one of the most popular and most frequently asked about transmissions.

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