Coolant Loss - Internal
WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.
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Symptom |
Possible Cause |
Action |
Reference |
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Coolant Loss - Internal |
Radiator cap or reservoir tank cap is not correct, is malfunctioning, or has low-pressure rating |
Check radiator cap and reservoir tank cap. |
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Exhaust gas recirculation (EGR) cooler leak |
Inspect the EGR cooler. |
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Lubricating oil is contaminated with coolant |
Check the oil for coolant. Refer to Coolant in the Lubricating Oil symptom diagnosis. |
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Internal coolant leaks |
Pressure test the cooling system and look for internal coolant leaks. |
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Cylinder head gasket is leaking |
Check the cylinder head gasket. |
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Cylinder head is cracked or porous. |
Pressure test the cylinder head. |
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Cylinder block is cracked or porous |
Inspect the cylinder block. |