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Dave Nova
Dave Nova, Chevrolet Technician
Category: Chevy
Satisfied Customers: 19450
Experience:  ASE Master Certification. GM World Class Certification
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Chevrolet K20 Pickup: is the 4l80e transmission the same as

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is the 4l80e transmission the same as a th400, just withan overdrive and electronic controller?
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Yes, the 4L80E transmission is basically a TH400 with an overdrive and electronic shift controls. Typically a good heavy duty unit. Early 2000-2002 models had some problems with torque converter slippage. Good idea to install a new torque converter when replacing one of these transmissions.

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