Nissan Juke Service and Repair Manual : Thermostat

Exploded View

1. Radiator hose (upper)


1. Radiator hose (upper) 2. Water inlet
3. Rubber ring
4. Thermostat

A. To radiator

disassembly.: Always replace after every
disassembly.

Removal and Installation: Nm (kg-m, ft-lb)


Removal and Installation

REMOVAL

1. Drain engine coolant from radiator. Refer to CO-37, "Draining".

CAUTION:
Perform this step when engine is cold.

2. Remove air duct (inlet). Refer to EM-161, "Removal and Installation".

3. Disconnect radiator hose (lower) from water inlet. Refer to CO-42, "Exploded View".

4. Remove water inlet and thermostat.

Engine coolant leakage from cylinder block, so have a receptacle ready below.

INSTALLATION

Note the following, and install in the reverse order of removal.

Thermostat
Install thermostat with making rubber ring (1) groove fit to thermostat flange (A) with the whole circumference.

 Install thermostat (2) with jiggle valve (A) facing upwards.


Install thermostat (2) with jiggle valve (A) facing upwards.

1 : Cylinder block

Water InletWater Inlet


Water InletWater Inlet After installation, fix water inlet clip (A) on the oil level gauge guide (1) as shown in the figure.

After installation, fix water inlet clip (A) on the oil level gauge guide (1) as shown in the figure.

B : Positioning

Inspection


Inspection

INSPECTION AFTER REMOVAL

Thermostat
Place a thread (A) so that it is caught in the valves of thermostat (1). Immerse fully in a container (B) filled with water. Heat while stirring.

The valve opening temperature is the temperature at which the valve opens and falls from the thread.

Continue heating. Check the full open valve lift amount.

After checking the maximum valve lift amount, lower the water temperature and check the valve closing temperature.

Standard: Refer to CO-54, "Thermostat".

If out of the standard, replace thermostat.

INSPECTION AFTER INSTALLATION


INSPECTION AFTER INSTALLATION

Check for leakage of engine coolant using the radiator cap tester adapter (commercial service tool) and the radiator cap tester (commercial service tool). Refer to CO-37, "Inspection".

Start and warm up the engine. Check visually that there is no leakage of engine coolant.

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