GM Service Manual Online
For 1990-2009 cars only

Object Number: 1484798  Size: A2

See Engine Compartment Overview for more information on location.

The Drive Motor/Generator Control Module (DMCM) coolant surge tank pressure cap must be fully installed on the hybrid coolant surge tank.

Notice: If the pressure cap is not tightly installed, coolant loss and possible damage to the Drive Motor/Generator Control Module (DMCM) may occur. Be sure the cap is properly and tightly secured.