Which transmission?
#1
Which transmission?
How do I determine which automatic transmission is in my 2003 Suburban 1500 four-wheel drive? (4L60-E/4L65-E or 4L80-E/4L85-E) Is it an RPO code listed in the glove-compartment?
Also, after just looking at the service manual, how do I determine which one of four rear axles I have? (8.6", 9.5", 10.5" or 9.75"?)
Thank you.
Also, after just looking at the service manual, how do I determine which one of four rear axles I have? (8.6", 9.5", 10.5" or 9.75"?)
Thank you.
Last edited by rjdjbd; August 28th, 2011 at 10:25 PM.
#2
CF Senior Member
How do I determine which automatic transmission is in my 2003 Suburban 1500 four-wheel drive? (4L60-E/4L65-E or 4L80-E/4L85-E) Is it an RPO code listed in the glove-compartment?
Also, after just looking at the service manual, how do I determine which one of four rear axles I have? (8.6", 9.5", 10.5" or 9.75"?)
Thank you.
Also, after just looking at the service manual, how do I determine which one of four rear axles I have? (8.6", 9.5", 10.5" or 9.75"?)
Thank you.
#3
Here's the answer / information for my specific year and model:
4L60-E transmission / RPO code "M30"
8.625" rear axle
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