GM Service Manual Online
For 1990-2009 cars only

Engine and Transmission Applications

Model

Engine

Transmission

Base

Option

Base

Option

S155 (06,16)

T155 (06, 16)

4.2L, V6, MFI, DOHC

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4L60E - Automatic, 4 speed

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Model Codes: S-Two-Wheel Drive and T-Four-Wheel Drive

06--Four-Door Utility

16--Two-Door Utility