|
|
CO-12 < PERIODIC MAINTENANCE > [HR16DE] RADIATOR RADIATOR RADIATOR CAP INFOID:0000000009444919 • Check valve seat (A) of radiator cap. - Replace the cap if the metal plunger cannot be seen around the edge of the black rubber gasket. - Replace the cap if deposits of waxy residue or other foreign mate- rial are on the black rubber gasket or the metal retainer. NOTE: Thoroughly wipe out the radiator filler neck to remove any waxy residue or foreign material. • Pull negative-pressure valve to open it, and check that it closes completely when released. - Check that there is no dirt or damage on the valve seat of radiator cap negative-pressure valve. - Check that there are no abnormalities in the opening and closing conditions of negative-pressure valve. • Check radiator cap relief pressure using suitable tool (A) and Tool (B). - When connecting the radiator cap to Tool (B), apply water or engine coolant to the cap seal surface. - Replace the radiator cap if there is an abnormality in the negative- pressure valve, or if the open-valve pressure is outside of the stan- dard values. RADIATOR INFOID:0000000009509402 Check radiator for mud or clogging. If necessary, clean radiator as follows. CAUTION: • Be careful not to bend or damage radiator fins. • When radiator is cleaned without removal, remove all surrounding parts in order to access the radia- tor core. Then tape harness and harness connectors to prevent water from entering. 1. Spray water to the back side of the radiator core using a side to side motion from the top down. • Use compressed air lower than 490 kPa (5 kg/cm 2 , 71 psi) and keep distance more than 30 cm (11.81 in). 4. Continue to blow air until no water sprays out. (B) : Metal plunger JPBIA0108ZZ SMA967B Tool number : EG17650301 (J-33984-A) Standard and Limit : Refer to PBIC5122J |