GM Drivetrain & Suspension Chassis | Transmission| Driveshaft | Gears/Rear End/Differential | Traction Aids

what tranny do i have?

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Old Feb 25, 2006 | 08:04 PM
  #1  
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Default what tranny do i have?

I am just trying to figure out what tranny i have. i have a 2002 gmc sierra short bed single cab, 2wd, 5.3l. is there any way i can tell by the vin?
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Old Feb 25, 2006 | 08:31 PM
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RoninsDenali's Avatar
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No need to tell by the Vin... you got a 4L60E RPO code M30
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Old Feb 25, 2006 | 08:32 PM
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Its got a 4L60E. Thats the only auto trans GM put in 1/2 ton trucks.
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Old Feb 25, 2006 | 08:46 PM
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You do have an automatic right!!! If so they are right. 4l60e.
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Old Feb 25, 2006 | 08:52 PM
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5.3s are auto-only
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Old Feb 25, 2006 | 08:57 PM
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opps sorry!!!
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Old Feb 26, 2006 | 01:26 PM
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Thanks alot guys!!
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Old Feb 27, 2006 | 12:06 PM
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Whats the code for the 4L80E I know you can look up the codes but is there anyway to do a reverse search
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Old Feb 28, 2006 | 12:18 AM
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M30 = 4L60-E
M32 = 4L65-E
M33 = 4L60-E for hybrid (electric oil pump, etc.)
M70 = 4L70-E
MT1 = 4L80-E
MN8 = 4L85-E
M74 = Allison 1000
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