Toyota Corolla (E120): Engine

On–vehicle inspection

Hint

: inspect these items on a cooled down engine.

1. Inspect drive belt

2. Replace spark plugs

3. Inspect air filter

  1. Remove the air filter.
  2.  visually check that the air filter is not excessively damaged, dirty or oily.

    Peplace the air filter if necessary.

  3.  clean the filter with compressed air.

    First blow from the inside of the filter thoroughly then repeat from the outside.

  4.  reinstall the air filter.

4. Replace air filter

  1.  replace the air filter with a new one.

5. Replace engine oil and oil filter

6. Replace engine coolant

7. Inspect gasket in fuel tank cap

8. Inspect fuel lines and connections, fuel tank vapor vent system hoses and fuel tank bands

  1.  visually check the fuel lines for cracks, leakage, loose connections, deformation and tank band looseness.

9. Inspect exhaust pipes and mountings

  1.  visually check the pipes, hangers and connections for severe corrosion, leaks and damage.

10. Inspect valve clearance

    Share this page:

    Other materials:

    Monitor description
    The battery supplies electricity to the ecm even when the ignition switch is off. This electricity allows the ecm store data such as dtc history, freeze frame data, fuel trim values, and other data. If the battery voltage falls below a minimum level, the ecm will conclude that there is a fault ...

    Precaution
    1. Precaution of headlight bulb replacement  if even a thin film of oil is left on the surface of the halogen lamp, its service life will be shortened because the lamp will be burn at a higher temperature.  handle any halogen lamp with great care. Dropping, hitting or damagin ...

    Inspection procedure
    1 Inspect parking brake switch circuit Check for open and short circuit in parking brake switch circuit 2 Inspect brake fluid level warning switch circuit Check the brake fluid level in reservoir.  check for open and shot circuit in brake fluid level warning switch circuit ...