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:

    Inspection procedure
    1 Check side squib(lh) circuit(airbag sensor assy center – front seat airbag assy lh) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the front seat airbag assy ...

    Toyota vehicle intrusion protection system
    On–vehicle inspection 1. Outline of toyota vehicle intrusion protection (tvip) system Hint: the theft deterrent system has 2 modes; one is the active mode that is an initially set mode and another is the passive mode that can be switched on/off by the specified method (see step 4). &nb ...

    Circuit description
    The seat position sensor circuit consists of the airbag sensor assy center and seat position sensor. Dtc b1153/25 is recorded when a malfunction is detected in the seat position sensor circuit. Wiring diagram ...