Loss of Coolant. Oldsmobile Alero 2000

For 1990-2009 cars only

Makes 🢒 Oldsmobile 🢒 2000 🢒 Alero 🢒 Engine 🢒 Engine Cooling 🢒 Loss of Coolant

Step	Action	Value(s)	Yes	No
1	Check for an external coolant leak. Do a pressure or dye test on the cooling system. Refer to Cooling System Leak Testing . Is the cooling system to the proper pressure?	--	Go to Step 2	Go to Step 3
2	Check for an internal coolant leak. Perform a cylinder leak test. Refer to Oil Leak Diagnosis -2.4L or Oil Leak Diagnosis -3.4L in Engine Mechanical. Is there an internal loss of coolant?	--	Go to Step 3	--
3	Repair the cooling system components as necessary. Is there still a loss of coolant?	--	--	System OK

Step

Action

Value(s)

Yes

Check for an external coolant leak.
Do a pressure or dye test on the cooling system. Refer to Cooling System Leak Testing .

Is the cooling system to the proper pressure?

Check for an internal coolant leak.
Perform a cylinder leak test. Refer to Oil Leak Diagnosis -2.4L or Oil Leak Diagnosis -3.4L in Engine Mechanical.

Is there an internal loss of coolant?

Repair the cooling system components as necessary.

Is there still a loss of coolant?

System OK