Maintenance Manual for J2 Sedan
Service
14
1) Inspection of cooling system hose
■
Check the hose for incorrect installation, crack, damage, loose connection, worn or ageing.
■
Please repair or replace the damaged components as required.
2) Inspection of radiator cap
①
Check valve seat of radiator cap
■
Check whether the valve seat expands outward, i.e. when the plunger is vertically lifted from the top,
end of plunger is out of view.
■
Check valve seat for any dust or damage.
②
Pull out negative pressure valve to open it,
and upon the pressure is released, check
whether it can be completely closed.
■
Make sure there isn’t any smudge or damage
on the valve seat.
■
Make sure that the valve seat can be normally
opened and closed.
③
Check the pressure released by radiator cap.
Standard: 78-98 KPa
Limit: 59 KPa
— Connect the radiator cap to radiator leak
detector, paste engine coolant onto the
sealing face of cap.
■
If any failure is found in above-mentioned
three inspection items, replace radiator cap.
Attention:
■
For installation of radiator cap, please wipe the radiator filler carefully to clear away any
paraffin residue or foreign substance.
3) Inspection of radiator
Check for any mud or clogging situation in radiator. If any, clean with following method.
■
Be aware not to twist or damage the radiation fins.
■
In case of cleaning without dismounting the radiator, all accessories such as cooling fan, wind
collection hood and horn should be dismounted. Wrap connectors of wire harness with adhesive
tape for water proofing.
①
Wash back of radiator fins from the top to the bottom with water spraying normal to radiator.
②
Wash each surface of the radiator every other minute.
③
In case no dirt is washed away from the radiator, the washing work should be stopped.
Fig. 2.2.001
Fig. 2.2.002