How do I know what transmission I have in order to buy a used one? I have a 92 Chevy blazer 2 door full size 5.7L. 4x4 Can you please help with this thank you

Asked by May 17, 2014 at 02:14 PM about the 1992 Chevrolet Blazer Sport 4WD

Question type: Maintenance & Repair

How to know what model number
transmission I have?

4 Answers

10,595

1992 will be a 700r4/4L60. You need a 4x4 tranny, the 2wd truck and car transmissions are different. A 4L60e could be installed as it is the same case but an aftermarket controller would be required to control it. I am personally done with the 700r4/4L60/4L60e's, between my vehicles and people that I know nothing but trouble. I found a 4L80e w/ transfer case (larger output shaft, need T-case and adaptor) from a '94 1/2 ton diesel that I am installing in my '92 half ton. I have the older TCI TCU to control it, the newer FAST EZ-TCU goes for just under $600 and my Tranny/T-case was 750 with 10,000 kms on it. If you go with the 700r4 or 4L60 get a warranty and install a secondary cooler.

1 of 1 people found this helpful.

Thank you for the reply, but do I use a 700r4 or a 4L60. Do both of these fit my blazer?

10,595

Pretty much the same tranny. Either will work for you. Just make sure you adjust the TV cable correctly, it's a common cause of tranny damage.

1 of 1 people found this helpful.

Thank you guys for your advice, I'm going to start working asap!

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