How To Replace Engine Thermostat | Lower Cooling Sysytem Temperature | Clean&Flush - Nissan V6. Replacing THERMOSTAT and FLUSHING COOLING SYSTEM for the 2003 Nissan VG33E V6 Engine and is a Common procedure for many other automobile make and model. Learn How-To service and Maintain you automobile with easy and saving method. The thermostat is a temperature valve for liquid cooling system. The thermostat open and closes a main passageway to exchange fluid temperature. The flow of the fluid is cause by the water pump and not the thermostat. Failure to replace a thermostat for long term period will result in overheat engine damage or no heat from heater during cold temperature below 32F degrees. Today engine must have a thermostat for the vehicle to pass EPA state emmision gas laws. Failure to use thermostat while cause poor early morning start-up, consume additional fuel during normal driving, engine crankcase develop sludge, fowl spark plugs and damage exhaust catalytic convertor. Failure to use thermostat may cause burst damage to rubber hose and rupture coolant seals.
How to lower engine coolant operation temperature https://www.youtube.com/watch?v=lmP4PM-56eM .
Here is more information from the Nissan Factory shop service manual pretaining to the engine complete cooling system. https://drive.google.com/file/d/0B0LNCvWJP9khYXF4LThXV0QtRGc/view?usp=drivesdk .
The shop service manual also feature more information pretaining to this video. Click on the In-Video Card for more information on how to prevent Engine Overheating.
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