Engine Overheating - Chevrolet Malibu 2021 Owner's Manual

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Warning (Continued)

including the pressure cap, is hot. Wait

for the cooling system and pressure cap

to cool.

Caution

Failure to follow the specific coolant fill

procedure could cause the engine to

overheat and could cause system

damage. If coolant is not visible in the

surge tank, contact your dealer.

The coolant surge tank pressure cap can be

removed when the cooling system, including

the surge tank pressure cap and upper

radiator hose, is no longer hot.

1. Turn the pressure cap slowly

counterclockwise. If a hiss is heard, wait

for that to stop. A hiss means there is

still some pressure left.

2. Keep turning the cap and remove it.

1.5L L4 Turbo and 2.0L L4 Turbo Coolant

Surge Tank

3. Fill the coolant surge tank with the

proper mixture to 5-10 mm (0.2-0.4 in)

above the mid-point on the coolant

surge tank.

4. With the coolant surge tank cap off,

start the engine and let it run until the

upper radiator hose starts getting hot.

Watch out for the engine cooling fan. By

this time, the coolant level inside the

coolant surge tank may be lower. If the

level is lower, add more of the proper

mixture to the coolant surge tank until

Vehicle Care

the level reaches 5-10 mm (0.2-0.4 in)

above the mid-point on the coolant

surge tank.

5. Replace the cap tightly.

6. Check the level in the surge tank when

the cooling system has cooled down.

If the coolant is not at the proper level,

repeat Steps 1 6 and reinstall the

pressure cap. If the coolant still is not at

the proper level when the system cools

down again, see your dealer.

Caution

If the pressure cap is not tightly installed,

coolant loss and engine damage may

occur. Be sure the cap is properly and

tightly secured.