For 1990-2009 cars

Checks | Action
--- | ---
Check for a leak in the radiator. | Replace a damaged radiator.
Check for a leak in the following locations:

• | Surge tank

• | Hose

Replace the following parts, as needed:

• | Surge tank

• | Hose

Check for loose or damaged radiator hoses, heater hoses, and connections. | Reseat the hoses. Replace the hoses or the clamps.
Check for leaks in the coolant pump seal. | Replace the coolant pump seal.
Check for leaks in the coolant pump gasket. | Replace the coolant pump gasket.
Check for improper cylinder head torque. | Tighten the cylinder head bolts to specifications. Replace the cylinder head gasket, if needed.
Check for leaks in the following:

• | Intake manifold

• | Cylinder head gasket

• | Cylinder block plug

• | Heater core

• | Radiator drain plug

Repair or replace any components, as needed, to correct the leak.

Check for leaks in the heat exchanger circuit for the climate system. | Repair or replace any components, as needed, to correct the leak.