GM Service Manual Online
For 1990-2009 cars only

Object Number: 1203346  Size: SH

Notice: Refer to Fastener Notice in the Preface section.

Using a new 18 mm transmission fluid drain plug sealing washer (105), install the 18 mm transmission fluid drain plug (104) into the transmission case.

Tighten
Tighten the drain plug to 49 N·m (36 lb ft)