Oil cooler — removal and installation (Mazda BT-50 (1))

1. Disconnect the cable from the negative terminal of the battery.

2. Drain the coolant (see chapter "Maintenance and general check and adjustment procedures").

3. Remove the turbocharger (see chapter "Air intake and exhaust system").

4. Remove the oil filter (see chapter "Maintenance and general inspection and adjustment procedures").

5. Remove the parts in the order they are numbered in the figure "Removing and installing the oil cooler".

6. Installation of parts during assembly is carried out in the reverse order of removal.

7. Fill with coolant (see chapter "Maintenance and general check and adjustment procedures").

8. Check the oil level (see chapter "Maintenance and general check and adjustment procedures").

9. Start the engine and check for oil or coolant leaks.

Oil Cooler Installation Note

Tighten the oil cooler housing mounting bolts and nuts in the sequence shown in the figure.

Checking the pressure reducing valve spring

Information copied from the portal (mazbook)

Check the free length of the pressure reducing valve spring. Replace if necessary.

Spring length:

• type 1 - 36.7 mm
• type 2 - 54.7 mm