Maintenance Manual for J2 Sedan
Mechanical Part of Engine
106
⑤
Dismount the inlet and outlet hoses of radiator and returning hose of coolant reservoir.
⑥
Dismount bracket of radiator and take off the radiator and fan subassembly.
Attention:
■
Please do not damage or scratch the radiator core during dismantlement.
⑦
Disassemble cooling fan sub-assembly from radiator.
2) Installation
Install in the reverse order with dismantlement.
3) Check after Installation
■
Check if there is any engine coolant leakage with leak detector for radiator cover. Please refer to
“Leakage Check”.
■
Start and warm up the engine. Visually inspect whether there is any coolant leakage.
2. Inspect Radiator Cap
1) Pull out the negative pressure valve and open it. Check if it can be fully closed after pressure
release.
■
Make sure there is no dirt on or damage to negative pressure valve seat of radiator cover.
■
Make sure the opening and closing operations
of negative pressure valve are normal.
2) Inspect relief pressure of radiator cap.
Standard value: 78-98KPa
Limit: 59KPa
Connect the radiator cap to the leak detector for
radiator and apply engine coolant to sealing face
of the cover.
Replace radiator cap if operation of negative
pressure valve is abnormal or the relief pressure
decreases below limit.
3. Inspect Radiator
■
Check the radiator for slurry or blockage. If necessary, wash the radiator surface with following
methods.
■
Be careful not to bend or damage the radiating fin.
Fig. 1.3.003
Fig. 1.3.004