Are All 4L60E Transmissions The Same?

Do you have 4L60-E transmission and you are wondering if you could replace it with another 4L60-E easily? Has your 4L60-E given you enough trouble now to keep using it? Do you want to replace it with a new one once and for all? Are you contemplating whether all 4L60-E transmissions are the same or not?

You might want to attend to this article first before drawing any conclusion and getting into a difficult situation. You are putting yourself in a lot of trouble if you are simply putting any 4L60-E in place of your old one.

Let us cut down the chase for you. Are all 4L60-E transmissions the same?  No, they are not.

GM has used this transmission over a period of many years and with each year or two, comes a new iteration of the 4L60-E. That means small but significant changes such as shaft length, Bellhousing, etc. have been continuously made over the years to suit the needs of different vehicles and eliminate any possible inefficiencies.

 

Are all 4L60-E transmissions interchangeable?

No, they are not interchangeable.

GM manufactured a lot of variants of 4L60-E according to different types of vehicles and different years of production.

The size of input and output shafts differ from model to model. For example, A transmission with the output shaft of a 4WD vehicle will not fit in with a transmission of a 2WD vehicle.

The Bellhousing takes a considerable amount of space so GM made it a removable part in the later variants of 4L60-E so as to use it in different vehicles that GM intended to use it on.

There are a few variants of 4L60-E that come with an Input Speed Sensor (ISS). So, you have to be aware of whether your original trans has an ISS or not.

 

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How much does it cost to replace a 4L60-E transmission?

The cost of a new 4L60-E transmission would be around $1800 to $3500 depending on the model year and configuration of the transmission that you require.

Pro-Tip: Before getting into buying a new transmission altogether, you should first calculate the cost of rebuilding the transmission, which in most circumstances will cost not more than $1000, that too if you give it to a mechanic. If you could do it on your own, it is much cheaper.

Disclaimer: The cost mentioned above is true at the time of publishing this article and may change in the future.

 

Are there 2 different 4L60-E transmissions?

Actually, there are many different variants of the 4L60-E transmissions and it is very easy to get confused between the different types. In order to eliminate this ambiguity, it is best to look for the sticker which is mentioned above the transmission and get that exact configuration.

The fact that most of these variants of 4L60-E look the same from the outside increases the confusion among the users.

 

Conclusion

There are many different configurations of the 4L60-E transmission. The important part is to do proper research before changing/rebuilding your transmission. It is best to either contact GM or to look for the sticker on your transmission to understand the configuration of your transmission.

This article aims to provide you clarity that there are different variants of 4L60-E manufactured by GM and it is important to have an understanding of your particular transmission so that you can rebuild/replace it without any issues.

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