Skip to content

Oil cooler (5S-FE)

Components

Removal of oil cooler

  1. Disconnect cable from negative terminal of battery.

    Caution

    Work must be started after approx. 20 seconds or longer from the time the ignition switch is turned to the LOCK position and the negative (–) terminal cable is disconnected from the battery.

  2. Drain engine coolant. (See page CO-6)

  3. Remove engine under covers.
  4. Remove front exhaust pipe. (See Cylinder block (5S-FE) › Removal of engine, step 29)
  5. Remove exhaust manifold and catalytic converter assembly. (See Cylinder head (5S-FE) › Removal of cylinder head, step 14)
  6. Remove oil filter. (See Replacement of engine oil and oil filter)

  7. Remove water by-pass hose heat protector.

    Remove the bolt, two nuts and heat protector.

  8. Disconnect water by-pass hoses from oil cooler.

    Disconnect the two water by-pass hoses.

  9. Remove oil cooler.

    1. Remove the relief valve and plate washer.
    2. Remove the nut and oil cooler.
    3. Remove the O-ring and gasket from the oil cooler.

Inspection of oil cooler

  1. Inspect relief valve.

    Push the valve with a wooden stick to check if it is stuck.

    If stuck, replace the relief valve.

  2. Inspect oil cooler.

    Check the oil cooler for damage or clogging.

    If necessary, replace the oil cooler.

Installation of oil cooler

(See Oil cooler (5S-FE))

  1. Install oil cooler.

    1. Install new O-ring and gasket to the oil cooler.

    2. Apply a light coat of engine oil on the threads and under the head of the relief valve.

    3. Temporarily install the nut.

    4. Install the oil cooler with the plate washer and relief valve.

      Torque: 450 kg-cm (33 ft-lb, 44 N·m)

    5. Tighten the nut.

      Torque: 80 kg-cm (69 in.-lb, 7.8 N·m)

  2. Connect water by-pass hoses.

    Connect the two water by-pass hoses.

  3. Install water by-pass hose heat protector.

    Install the heat protector with the bolt and two nuts.

  4. Install oil filter. (See Replacement of engine oil and oil filter)

  5. Install exhaust manifold and catalytic converter assembly. (See Cylinder head (5S-FE) › Installation of cylinder head, step 25)
  6. Install front exhaust pipe. (See Cylinder block (5S-FE) › Installation of engine, step 15)
  7. Connect cable to negative terminal of battery.
  8. Fill with engine coolant. (See page CO-7)
  9. Start engine and check for leaks.
  10. Check engine oil level. (See Oil pressure check)
  11. Install engine under covers.