Filling Procedure

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Radiator Drain Cock

Courtesy of GENERAL MOTORS CORP.

NOTE: The procedure below must be followed. Improper coolant level could result in a low or high coolant level condition, causing engine damage.

Close the radiator drain cock by hand.

Fig 2: Locating Water Pump Drain Plug/Bolt

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice .

Install the water pump drain plug (1) if the plug was removed during the draining process.
Tighten: Tighten the plug to 22 N.m (16 lb in).
Lower the vehicle.

Fig 3: View Of Upper Radiator Inlet Hose

Courtesy of GENERAL MOTORS CORP.

Remove the upper radiator inlet hose from the passenger side radiator.

IMPORTANT: Use a 50/50 mixture of DEX-COOL antifreeze and clean, drinkable water.

Slowly add a mixture of 50/50 DEX-COOL antifreeze and deionized water to the engine through the upper radiator hose.
Install the upper radiator inlet hose to the radiator.

Fig 4: View Of Surge Tank Cap

Courtesy of GENERAL MOTORS CORP.

Slowly add a mixture of 50/50 DEX-COOL antifreeze and deionized water to the cooling system until the coolant reaches and maintains a level slightly above the cold fill line on the surge tank. Refer to Capacities - Approximate Fluid .
Install surge tank cap.
Start the engine.
Run the engine at 2,000-2,500 RPM for 3 minutes.
Allow the engine to idle for 30 seconds.
Shut the engine OFF.
Top off the coolant as necessary.
Inspect the cooling system for leaks.
Rinse away any excess coolant from the engine and the engine compartment.