2010 Chevrolet Avalanche Owner's Manual - Page 445
2010 Chevrolet Avalanche Manual
Page 445 highlights
5. Replace the pressure cap. Be sure the pressure cap is hand-tight and fully seated. 6. Verify coolant level after engine is shut off and the coolant is cold. If necessary, repeat coolant fill procedure Steps 1 through 6. Notice: If the pressure cap is not tightly installed, coolant loss and possible engine damage may occur. Be sure the cap is properly and tightly secured. You may decide not to lift the hood when this warning appears, but instead get service help right away. See Roadside Assistance Program on page 8‑7. If you do decide to lift the hood , make sure the vehicle is parked on a level surface. Then check to see if the engine cooling fans are running. If the engine is overheating, both fans should be running. If they are not, do not continue to run the engine and have the vehicle serviced. Notice: Engine damage from running your engine without coolant is not covered by your warranty. See Overheated Engine Protection Operating Mode on page 6‑33 for information on driving to a safe place in an emergency. Notice: If the engine catches fire while driving with no coolant, the vehicle can be badly damaged. The costly repairs would not be covered by the vehicle warranty. See Overheated Engine Protection Operating Mode on page 6‑33 for information on driving to a safe place in an emergency. Engine Overheating The vehicle has several indicators to warn of engine overheating. There is a coolant temperature gage on your vehicle's instrument panel. See Engine Coolant Temperature Gage on page 4‑34. In addition, ENGINE OVERHEATED STOP ENGINE, ENGINE OVERHEATED IDLE ENGINE, and a ENGINE POWER IS REDUCED message comes on in the Driver Information Center (DIC) on the instrument panel. See DIC Warnings and Messages on page 4‑57. 6-31