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Transmision Question


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cmigs
User

Feb 12, 2013, 6:14 PM

Post #1 of 8 (2022 views)
  post locked   Transmision Question  

1999 Chevy Express 3500. I need to know if I have a 4L60 or 4L80. Can't find anything under the hood. Part store could not tell me through VIN #. How can I find out? Please help. Thanks.


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Feb 12, 2013, 6:18 PM

Post #2 of 8 (2019 views)
  post locked   Re: Transmision Question  

Look at the shape and the number of bolts in the transmission's pan.







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(This post was edited by Discretesignals on Feb 12, 2013, 6:21 PM)


cmigs
User

Feb 12, 2013, 6:21 PM

Post #3 of 8 (2007 views)
  post locked   Re: Transmision Question  

Unsure at this time. Due to recent storm I cannot crawl under to check. Do you know how many for each?


Discretesignals
Ultimate Carjunky / Moderator
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Feb 12, 2013, 6:23 PM

Post #4 of 8 (2001 views)
  post locked   Re: Transmision Question  

look up...sorry edited while you were responding.





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cmigs
User

Feb 12, 2013, 6:27 PM

Post #5 of 8 (1997 views)
  post locked   Re: Transmision Question  

Thank you. I think it's the 4L80 because it's a one ton van with a 5.7 liter vortek. Do you agree? I can't get under there until tomorrow night and I have to order a flywheel.


Discretesignals
Ultimate Carjunky / Moderator
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Feb 12, 2013, 6:39 PM

Post #6 of 8 (1981 views)
  post locked   Re: Transmision Question  

There is a sticker that has a bunch of numbers and letters on it. I believe it is on either the driver's or passengers door jam near the latch. The sticker basically tells you what options the vehicle is equipped with.

M30 = 4L60E
MT1 = 4L80E

Looks something like this:








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cmigs
User

Feb 13, 2013, 5:17 PM

Post #7 of 8 (1952 views)
  post locked   Re: Transmision Question  

thank you for all your help. It was a 4l80e I had to get under and count the 17 bolts as the jamb sticker was washed out


Discretesignals
Ultimate Carjunky / Moderator
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Feb 13, 2013, 7:19 PM

Post #8 of 8 (1947 views)
  post locked   Re: Transmision Question  

Glad to see you figured it out. Thanks for the follow up. Closed as OP's question was resolved.





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