Installation Procedure

Fig 1: Identifying Drain Cock Plug

GM1949734

Courtesy of GENERAL MOTORS CORP.

CAUTION:

Refer to Fastener Caution .

Install the drain cock plug (1) ensuring a new O-ring is used and tighten to 2 N.m (18 lb in).
Lower the vehicle.
Fill the cooling system. Refer to Cooling System Draining and Filling .
Inspect the cooling system for leaks.