Nissan Juke Service and Repair Manual : Thermostat

Exploded View

1. Thermostat housing


1. Thermostat housing 2. Gasket
3. Rubber ring
4. Thermostat
5. Water inlet
6. Clamp
7. Radiator hose (upper)

A. To radiator

: Nm (kg-m, ft-lb) Engine front
: Always replace after every: Nm (kg-m, ft-lb)
disassembly.: Always replace after every
disassembly.

Removal and Installation

REMOVAL

1. Drain engine coolant from radiator. Refer to CO-11, "Draining".

CAUTION:


Perform this step when engine is cold.

2. Remove intake manifold. Refer to EM-28, "Exploded View".

3. Disconnect radiator hose (lower) (RH) from water inlet. Refer to CO-17, "Exploded View".

4. Remove water inlet and thermostat.

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

Thermostat housing
1. Drain engine coolant. Refer to CO-11, "Draining".

2. Remove alterator. Refer to CHG-30, "MR16DDT : Exploded View".

3. Remove water pump. Refer to CO-22, "Exploded View".

4. Disconnect water hose, and them remove thermostat housing.

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 : Thermostat housing

Thermostat housing


Thermostat housing
Install in the reverse order of removal.

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-29, "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-11, "Inspection".

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

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