Engine 4G9
Removal
1. Drain the coolant from the cooling system.
Fig. 6.15. Radiator of cars with 4G9 engines: 1 – bolt, 25 Nm; 2 – headlight protective cap; 3 – Upper radiator support; 4 – expansion tank hose; 5 – radiator cap; 6 – Upper radiator hose; 7 – drain plug; 8 – fan; 9 – radiator fan assembly; 10 – Radiator fan electric motor; 11 – diffuser (casing) of the cooling system fan; 12 – condenser fan assembly (for vehicles with air conditioning); 13 – bolts, 5 Nm; 14 – ATF cooler hose (heat exchanger of the automatic transmission working fluid); 15 – lower radiator support; 16 – lower radiator hose; 17 – radiator assembly; 18 – expansion tank
2. Unscrew plug 7 (Fig. 6.15) of the drain hole.
3. Remove radiator cap 5.
4. Loosen the clamp and disconnect the expansion tank hose 4.
5. Remove the protective cap 2 of the headlight.
6. Unscrew the bolts and remove the expansion tank 18.
7. Before disconnecting the hose, apply alignment marks to the clamp and hose.
8. Loosen the clamp and disconnect the upper radiator hose 6.
9. Before disconnecting the hose, apply alignment marks to the clamp and hose.
10. Loosen the clamp and disconnect the lower radiator hose 16.
11. After disconnecting the hose from the radiator, it is necessary to close the holes in the hose and radiator with plugs to prevent dust or foreign particles from getting into them.
12. Loosen the clamp and disconnect the ATF cooler hose (automatic transmission fluid heat exchanger) 14.
13. After disconnecting the hose from the radiator, it is necessary to close the holes in the hose and radiator with plugs to prevent dust or foreign particles from getting into them.
14. Unscrew the bolts and remove the upper support 3 of the radiator.
15. Remove the radiator 17 as a whole.
16. Unscrew the nuts and remove the lower support 15 of the radiator.
17. Unscrew the bolts and remove the condenser fan 12 assembly (for vehicles with air conditioning).
18. Unscrew the bolts and remove the radiator fan 9 as an assembly.
19. Unscrew the bolts and remove fan 8.
20. Unscrew the nut and remove the radiator fan electric motor 10.
21. Check for any extraneous noise when the electric fan is rotating.
Installation
Installation is carried out in the reverse order of removal, taking into account the following.
1. Place the hose onto the branch pipe fitting until it stops.
2. Before connecting the hose, align the alignment marks on the clamp and hose.
3. Fill the cooling system with coolant.
4. Fill and check the level of working fluid in the automatic transmission.
Engine F8QT
Removal
1. Drain the coolant from the cooling system.
Fig. 6.16. Radiator of cars with F8QT engines: 1 – radiator assembly; 2 – Upper radiator support; 3 – bolt, 25 Nm; 4 – Upper radiator hose; 5 – hose from the radiator to the expansion tank; 6 – expansion tank cap; 7 – expansion tank; 8 – bolt, 10 Nm; 9 – tube with filter element assembly; 10 – drain plug; 11 – lower radiator support; 12 – lower radiator hose; 13 – fan; 14 – cooling system fan; 15 – casing; 16 – cooling system fan assembly
2. Unscrew plug 10 (Fig. 6.16) of the drain hole.
3. Remove the cap 6 of the expansion tank.
4. Loosen the clamp and disconnect hose 5 from the radiator to the expansion tank.
5. Before disconnecting the hose, apply alignment marks to the clamp and hose.
6. Loosen the clamp and disconnect the upper radiator hose 4.
7. Before disconnecting the hose, apply alignment marks to the clamp and hose.
8. Loosen the clamp and disconnect the lower radiator hose 12.
9. Loosen the clamp and disconnect tube 9 with the filter element assembly.
10. Unscrew the bolts and remove the expansion tank 7.
11. Unscrew the bolts and remove the upper support 2 of the radiator.
12. Remove radiator 1 as an assembly.
13. Unscrew the bolts and remove the lower support 11 of the radiator.
14. Unscrew the bolts and remove the fan 16 as an assembly.
15. Unscrew the nut and remove fan 13.
16. Unscrew the nut and remove the radiator fan motor 14.
Examination
1. Check that the electric radiator fan rotates when voltage is applied to the fan terminals.
2. Check for any extraneous noise when the electric fan is rotating.
Installation
Installation is carried out in the reverse order of removal, taking into account the following.
1. Place the hose onto the branch pipe fitting until it stops.
2. Align the alignment marks on the radiator hoses and clamps made before disassembly and connect the radiator hoses.
3. Fill the cooling system with coolant.
Engine F9Q
Removal
1. Drain the coolant from the cooling system.
2. Remove the air filter.
Fig. 6.17. Radiator of cars with F9Q engines: 1 – Upper radiator support (left); 2 – air hose; 3 – clamp, 5.5 Nm; 4 – bolt, 25 Nm; 5 – Upper radiator support (right); 6 – Upper radiator hose; 7 – clamp, 4.0 Nm; 8 – expansion tank hose; 9 – expansion tank sealed cap; 10 – expansion tank; 11 – filter hose assembly; 12 – filter tube assembly; 13 – lower radiator hose; 14 – radiator fan assembly; 15 – drain plug; 16 – radiator assembly; 17 – Radiator fan, radiator and intercooler assembly; 18 – Intercooler assembly; 19 – Air hose connection; 20 – clamp, 4.5 Nm
3. Unscrew plug 15 (Fig. 6.17) of the drain hole.
4. Remove the sealed cap 9 of the expansion tank.
5. Before disconnecting the hose, apply alignment marks to the clamp and hose.
6. Loosen the clamp and disconnect hose 8 from the radiator to the expansion tank.
7. Loosen the clamp and disconnect the air hose 2.
8. Before disconnecting the hose, apply alignment marks to the clamp and hose.
9. Loosen the clamp and disconnect the upper radiator hose 6.
10. Unscrew the bolts and remove the expansion tank 10.
11. Loosen the clamps and disconnect the hose 11 of the filter assembly.
12. Loosen the clamps and disconnect the filter tube 12 as a whole.
13. Before disconnecting the hose, apply alignment marks to the clamp and hose.
14. Loosen the clamp and disconnect the lower radiator hose 13.
15. Loosen the clamps and disconnect the air hose 19.
16. Unscrew the bolts and remove the upper left support 1 of the radiator.
17. Unscrew the bolts and remove the upper right support 5 of the radiator.
18. Remove the bolts and remove the radiator fan, radiator and intercooler assembly 17.
19. Unscrew the bolts and remove the radiator fan 14 as an assembly.
20. Remove the radiator 16 as a whole.
21. Remove the intercooler 18 assembly.
Examination
1. Check that the electric radiator fan rotates when voltage is applied to the fan terminals.
(The original can be found on the website: mitsubishiman.ru)
2. Check for any extraneous noise when the electric fan is rotating.
Installation
Installation is carried out in the reverse order of removal, taking into account the following.
1. Place the hose onto the branch pipe fitting until it stops.
2. Align the alignment marks on the radiator hoses and clamps made before disassembly and connect the radiator hoses.
3. Fill the cooling system with coolant.
4. Install the air filter.
