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:

    Using a flat bed truck
    If you use chains or cables to tie down your vehicle, the angles shaded in black must be 45°. Do not overly tighten the tie downs or the vehicle may be damaged. ■Before emergency towing 1 Vehicles without a smart key system: Put the engine switch in the “ACC” (engine off) or “O ...

    Overhaul
    1. Remove repair service starter kit Remove the nut, then disconnect the lead wire from terminal c. Remove the 2 screws which are used to secure the repair service starter kit to the starter drive housing.  remove the repair service starter kit.  remove the return ...

    Check dlc3
    The vehicle’s ecm uses the iso 9141–2 for communication protocol. The terminal arrangement of the dlc3 complies with sae j1962 and matches the iso 9141–2 format. Hint: if the display shows unable to connect to vehicle when you have connected the cable of the obd ii scan tool or the h ...