Nissan Juke Service and Repair Manual : Basic inspection
Radiator
Inspection
Check radiator for mud or clogging. If necessary, clean radiator as follows.
CAUTION:
• Be careful not to bend or damage the radiator fins.
• When radiator is cleaned without removal, remove all surrounding parts such as radiator fan, radiator shroud and horns. Then tape the harness and connectors to prevent water from entering.
1. Apply water by hose to the back side of the radiator core vertically downwards.
2. Apply water again to all radiator core surface once per minute.
3. Stop washing if any stains no longer flow out from the radiator.
4. Blow air into the back side of radiator core vertically downwards.
• Use compressed air lower than 490 kPa (4.9 bar 5 kg/cm2, 71psi) and keep distance more than 30 cm (11.8 in).
5. Blow air again into all the radiator core surface once per minute until no water sprays out.
Cooling system
Cooling Circuit
1. Radiator
2. Reservoir tank
3. Heating elements (Thermo plungers)
4. Heater core
5. Exhaust gas cooler
6. Thermostat
7. Water pump
8. Water-oil heat exchanger
9. Ble ...
Symptom diagnosis
OVERHEATING CAUSE ANALYSIS
Troubleshooting Chart
...
Other materials:
Temperature A, B and C
The temperature grades A (the highest), B, and C, representing the tire’s resistance
to the generation of heat and its ability to dissipate heat when tested under controlled
conditions on a specified indoor laboratory test wheel. Sustained high temperature
can cause the material of the tire to ...
Cooling fan control
Cooling fan control : System Diagram
Cooling fan control : System Description
INPUT/OUTPUT SIGNAL CHART
*: The ECM determines the start signal status by the signals of engine speed
and battery voltage.
SYSTEM DESCRIPTION
ECM controls cooling fan speed corresponding to vehicle speed, eng ...
Operation inspection
Work Procedure
The purpose of the operational check is to check that the individual system
operates normally.
Check condition : Engine running at normal operating temperature.
1.CHECK BLOWER MOTOR
1. Operate fan control dial.
2. Check that fan speed changes. Check operation for all fan speeds ...