Check the coolant level and mixture.

Is the coolant mixed properly and at the proper level?

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Go to Step 2

Add coolant.

Check the generator/coolant pump drive belt.

Is the generator/coolant pump drive belt loose or missing?

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Adjust or replace the belt.

Go to Step 3

Inspect the front of the radiator.

Are there dirt, leaves, insects on the front of the radiator?

--

Clean the front of the radiator.

Go to Step 4

Is there leakage in the following areas?

--

Repair as necessary.

Go to Step 5

Check the thermostat.

Is the thermostat faulty?

--

Replace the thermostat.

Go to Step 6

Check the ignition timing.

Is the ignition timing retarded?

--

Set the timing. Refer to Engine Controls.

Go to Step 7

Check the cylinder head torque.

Is the cylinder head torque incorrect?

--

Re-tighten the cylinder head bolts to specification. Refer to Engine Mechanical--1.6 Liter L4. Replace the cylinder head gasket if required.

Go to Step 8

Check the intake manifold.

Is the intake manifold leaking?

--

Repair the intake manifold or replace components as necessary to correct the leak.

Go to Step 9

Check the cylinder head gasket.

Is the cylinder head gasket leaking?

--

Make repairs or replace components as necessary to correct the leak.

Go to Step 10

Check the cylinder block plug.

Is the cylinder block plug leaking?

--

Make repairs or replace components as necessary to correct the leak.

Go to Step 11

Check the heater core.

Is the heater core leaking?

--

Make repairs or replace components as necessary to correct the leak.

Go to Step 12

Check the coolant valve.

Is the coolant valve leaking (if equipped)?

--

Make repairs or replace components as necessary to correct the leak.

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