A1 Visual Inspection

^ Key OFF.

^ Visually check for evidence of coolant leakage at:

- All hoses and hose connections.

- Radiator seams, radiator core, and radiator draincock.

- All block core plugs and drain plugs.

- Edges of all cooling system gaskets.

- Transmission oil cooler fittings.

- Vehicle heating system components.

- Water pump.

^ Examine oil dipstick for evidence of coolant in engine oil.

^ Check radiator for evidence of oil in coolant (leakage at transmission oil cooler).

^ Is there evidence of coolant leakage?

YES -- Repair coolant leak.

NO -- Pressure test the cooling system. Component Tests and General Diagnostics