Here another radiator cap issue: https://www.youtube.com/watch?v=xXdTKqOo0xs . In this video you will experience a weird situation with the Engine Radiator Coolant Hose on all Internal Combustion Engine. The engine radiator and its reservoir tank will flow over with car engine temperature with in normal range. We explain the How the Engine Radiator cap should perform and how to notice a radiator cap that does not meet the engine requirement or How to Identify a Defective Engine Radiator cap. Sometime a coolant over flowing radiator after shutting down the engine may not always seem to be a OVER-HEATING condition. This is a general standard condition to remain the same for all engine cooling system with a coolant bottle(not-over flow bottle) which will become pressurize and in incorporated with the Engine cooling System. Radiator Cap or Cover is a part with a 10yrs or 100,000 mile operation - which ever come first. Re-using a old radiator cap after servicing the cooling system will cause cooling problem later on. Such has Coolant over flow when engine is shut off or failure to maintain a fill coolant radiator system. If the radiator cap fail to control coolant flow from radiator and over flow tank. The engine will over heat from low coolant inside the engine block and radiator. Always check the automobile service manual for specification and recommend test for your application radiator cap or cover :-).
How to lower engine coolant operation temperature https://www.youtube.com/watch?v=lmP4PM-56eM .
How to replace engine radiator; https://www.youtube.com/edit?o=U&video_id=lmP4PM-56eM for Nissan Frontier(D22) or identical Pathfinder(R50).
ALWAYS INVEST IN DEALERSHIP PARTS. NEVER SUBSTITUTE GENUINE PARTS FOR AFTERMARKET PARTS.