Toyota Corolla (E120): Problem symptoms table

Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely cause of the problem. Check each part in the order shown. If necessary, repair or replace these parts.

On–vehicle inspection

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    Seat belts
    Make sure that all occupants are wearing their seat belts before driving the vehicle. WARNING Observe the following precautions to reduce the risk of injury in the event of sudden braking, sudden swerving or an accident. Failure to do so may cause death or serious injury. ■Wearing a seat belt E ...

    Removal and installation of engine intake parts
    If any metal tip is mixed in the inlet pass, this may give a bad effect to the engine and turbocharger.  when removing and installing the inlet system parts, close the opening of the removed inlet system parts and the engine with a clean shop rag or gummed tape.  when inst ...

    Standard bolt
    How to determine bolt strength Specified torque for standard bolts How to determine nut strength *: Nut with 1 or more marks on one side surface of the nut. Hint: use the nut with the same number of the nut strength classification or the greater than the bolt strength classificati ...