Pinpoint Test A : Pinpoint Test

WARNING: This page is about a different variant/trim than selected.

WARNING: Always allow the engine to cool before opening the cooling system. Do not unscrew the coolant pressure relief cap when the engine is operating or the cooling system is hot. The cooling system is under pressure; steam and hot liquid can come out forcefully when the cap is loosened slightly. Failure to follow these instructions may result in serious personal injury.

A1 CARRY OUT INSPECTION AND VERIFICATION
- Carry out Inspection and Verification .
Are any concerns present?
1. Yes: REPAIR as needed.
2. No: GO to A2
A2 CHECK THE ENGINE COOLANT LEVEL AND PRESSURE TEST THE ENGINE COOLING SYSTEM
NOTE: Allow the engine to cool before checking the engine coolant level.
- Ignition OFF
- Visually inspect the engine coolant level at the degas bottle and adjust as necessary. Pressure test the engine cooling system. Refer to Component Tests, Cooling System Pressure Test .
Does the engine cooling system leak externally?
1. Yes: REPAIR or INSTALL new components.
2. No: GO to A3
A3 CHECK THE ENGINE COOLANT FOR AN INTERNAL LEAK
- Inspect the engine coolant in the coolant expansion tank for signs of engine oil.
Is engine oil evident in the coolant?
1. Yes: REFER to: ENGINE ).
2. No: GO to A4
A4 CHECK THE ENGINE OIL FOR COOLANT
- Remove the oil level indicator from the engine.
Is coolant evident in the oil?
1. Yes: REFER to: ENGINE ).
2. No: GO to A5
A5 CHECK THE COOLING SYSTEM FOR COMBUSTION GASES
NOTE: Use UView® Combustion Leak Tester part number UVU560000-R or equivalent.
- Using a cooling system combustion gas leak tester, following the instructions supplied with the tester, check the coolant for combustion gases.
Are combustion gases present?
1. Yes: REFER to: ENGINE ).
2. No: The cooling system is operational