How can you tell the if your transmission is a 700R4 or a 4L80E?

1992 CHEVROLET BLAZER
200,000 MILES • 6 CYL • 4WD • AUTOMATIC
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DEWAYNEB
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  • 1 POST
How can you tell the if your transmission is a 700R4 or a 4L80E???
May 17, 2008 at 2:10 PM
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OBXAUTOMEDIC
  • ✓Experienced Mechanic
  • 3,711 POSTS
There should be a tag somewhere or it may be stamped into the case. Sometime you can tell by the number of bolts, however, I believe they both have the same number which is 16. Below are a couple pics that might help.... 700R4


https://images.2carpros.com/forum/automotive_pictures/188069_TR700R4level1_1.jpg

4L80E


https://images.2carpros.com/forum/automotive_pictures/188069_TRANS4L80E_1.jpg

Apr 9, 2021 at 12:45 PM
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