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October 18, 2000 Service bulletin

Engineering is investigating harsh one-two shift on the 4L60E automatic transmission

Chevrolet technical service bulletin 181000 for 2000 Chevrolet Silverado, 2000 GMC Sierra and 2000 GMC Silverado and others.

Bulletin number
181000
Component
Power train: automatic transmission: control module (TCM/PCM/tecm)
Summary
Engineering is investigating harsh one-two shift on the 4l60e automatic transmission. This investigation is focused on harsh one-two shifts on 2000 model year silverado and sierra equipped with 4l60e automatic transmission. Tt

Owners of these vehicles have filed 130 complaints in the transmission category.

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