Radiator — removal, maintenance and installation (Mazda Capella GC)

Caution: The engine must be completely cool before beginning this procedure. Before working near the fan, be sure to disconnect the negative battery cable. See also Warning in Chapter 2.

1. Radiator damage causing minor coolant leaks can be repaired using a special sealant such as Holts Radweld without removing the radiator.

2. Drain the liquid from the radiator (see Section 1).

3. To gain access, remove the air cleaner assembly intake pipe, disconnect the ignition coil wiring and move it to the side.

4. Disconnect the cooling fan motor and thermal switch connectors.

5. Disconnect all hoses from the radiator.

6. Unscrew all radiator fasteners and remove the radiator. On automatic transmission models, lift the radiator enough to access the transmission connecting hoses, disconnect them and plug them. Remove the radiator from the engine compartment (photo).

Lift the radiator to access the automatic transmission connecting hoses (arrows)

Move the hoses to the side and remove the radiator, being careful not to damage its fins

7. Carefully inspect the radiator for signs of leaks and damage. We recommend entrusting radiator repair to a specialist.

8. Clean the radiator fins from insects and leaves. Inspect the radiator and replace any damaged hoses and clamps.

9. Flush the radiator as described in Section 1.

10. Have the radiator cap checked at any service station and replaced if necessary.

11. When installing a new radiator, transfer the fasteners from the old block to it.

12. Installation is carried out in reverse order (photo).



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13. After installing the radiator, fill it with the proper water/antifreeze mixture (see Section 1), then start the engine and check the block for leaks.

14. On models with automatic transmission, check the transmission fluid level and top up the system if necessary (Section 1).