GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 873180  Size: SH
  1. Unscrew the drain plug.
  2. Align the drain plug pin with the horizontal slot in the radiator end tank.
  3. Pull the drain plug straight out.

Installation Procedure


    Object Number: 873180  Size: SH
  1. Lubricate the drain plug ring with coolant.
  2. Align the drain plug pin with the slot in the radiator end tank and push straight in.
  3. Turn the drain plug clockwise to close.