GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 CTS 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Charge Air Cooling System Coolant Level Inspection

    Object Number: 2178006 Size: SH

    Note: Make sure the intercooler system is cool and the pump is not running

  1. Remove the cap from the charge air cooler reservoir
  2. Verify that the coolant is within the cold fill range on the charge air cooling system reservoir.

    3. Note: Use a 50/50 mixture of DEX-COOL® antifreeze and clean drinkable water.

  3. Add coolant as necessary to the fill neck and reservoir to bring the coolant level within the cold fill range.
  4. Install the cap to the charge air cooler reservoir.