Can a 99 Silverado 4X4 4L60e interchange with a 94 GMC 4X4 ?

Asked by Guru9CFH3P Aug 08, 2021 at 01:53 PM about the Chevrolet 1500

Question type: Maintenance & Repair

Hey anyone know if a 99 Silverado 4X4 4L60e interchange with a 94 GMC 4X4
if I change out the pump and valve body.

2 Answers

155,145

It will not. The 1997 is OBD II but the 1994 is OBD I. They're completely different computer control systems and are not compatible with each other at all! A 94 and older should work but make sure the tags on both transmissions match. Also, stay away from a 1995 model. They can be either OBD I or OBD II. Hope that helps! Jim

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