nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Thermostat, Engine Cooling|Specifications|Page 2852 > < Thermostat, Engine Cooling|Specifications|Page 2850
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Thermostat: Service and Repair

REMOVAL

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

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

INSPECTION 

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

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

Thermostat, Engine Cooling|Specifications|Page 2852 > < Thermostat, Engine Cooling|Specifications|Page 2850