Toyota Corolla (E170) 2014–2019 Owners Manual / Maintenance and care / Do-it-yourself maintenance / Do-it-yourself service precautions
Toyota Corolla (E170): Do-it-yourself service precautions
If you perform maintenance by yourself, be sure to follow the correct procedure as given in these sections.


CAUTION
The engine compartment contains many mechanisms and fluids that may move suddenly, become hot, or become electrically energized. To avoid death or serious injury, observe the following precautions.
■When working on the engine compartment
●Keep hands, clothing and tools away from the moving fan and engine drive belt.
●Be careful not to touch the engine, radiator, exhaust manifold, etc. right after driving as they may be hot. Oil and other fluids may also be hot.
●Do not leave anything that may burn easily, such as paper and rags, in the engine compartment.
●Do not smoke, cause sparks or expose an open flame to fuel or the battery.
Fuel and battery fumes are flammable.
●Be extremely cautious when working on the battery. It contains poisonous and corrosive sulfuric acid.
■When working near the electric cooling fan or radiator grille
Vehicles without a smart key system: Be sure the engine switch is off. With
the engine switch in the “ON” position, the electric cooling fan may automatically
start to run if the air conditioning is on and/or the coolant temperature is high.
Vehicles with a smart key system: Be sure the engine switch is off. With the engine
switch in IGNITION ON mode, the electric cooling fan may automatically start to
run if the air conditioning is on and/or the coolant temperature is high. ■Safety
glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc.
from getting in your eyes.
NOTICE
■If you remove the air cleaner filter
Driving with the air cleaner filter removed may cause excessive engine wear due to dirt in the air.
Other materials:
If you have a flat tire
Your vehicle is equipped
with a spare tire. The flat tire
can be replaced with the
spare tire.
WARNING
■If you have a flat tire
Do not continue driving with a flat
tire. Driving even a short distance
with a flat tire can damage the tire
and the wheel beyond repair,
which could result in an acciden ...
Pre–check
1. Selecting compass display mode
the compass switch allows you to select the display or non–display
mode of the compass.
2. Setting zone
deviation between the ”magnetic north” and ”actual north” differs
depending on the location. Therefore,
adjustment of the ...
Overhaul
1. Remove cylinder block water drain cock sub–assy
Remove the cylinder block water drain cock from the cylinder
block.
2. Inspect connecting rod thrust clearance
Using a dial indicator, measure the thrust clearance while
moving the connecting rod back and forth.
Standard t ...


