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how do you replace a 2002 nissan quest thermostat


here's the service info, pics

here's the service info, pics donn't post here, if needed post email. mws919

REMOVAL
Be careful not to spill coolant over engine compartment.
Use a rag to absorb coolant.

Drain engine coolant from drain plugs on radiator.
Remove radiator hoses (upper and lower) and fan shroud.
Remove drive belts.
Remove pulley bracket.
Remove water inlet and thermostat assembly.
INSPECTION

Check valve seating condition at ordinary temperatures. It should seat tightly.

Check valve opening temperature and valve lift.
Then check if valve is closed at 5°C (9°F) below valve opening temperature.
INSTALLATION

Use a scraper to remove old liquid gasket from water outlet housing.
Apply a continuous bead of liquid gasket to mating surface of water outlet housing. Use Genuine RTV Silicone Sealant Part or equivalent.

Install thermostat with jiggle valve or air bleeder at upper side.
Install water outlet housing.
Install water hose to water outlet housing.
Refill engine coolant.
After installation, run engine for a few minutes, and check for leaks.

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