Symptoms
|
Possible Causes
|
Remedy
|
Coolant leakage
|
• |
From the bleed hole of the water pump
|
|
Visually check
|
• |
Check leaks after about ten-minute warming up.
|
|
• |
If coolant still leaks, replace a water pump.
|
|
• |
If leakage stops, reuse the water pump (Do not replace the pump
with a new one).
|
|
|
• |
Check the tightening of the water pump mounting bolts.
|
|
• |
Retighten the mounting bolts.
|
|
• |
Check damage of gaskets or inflow of dust.
|
|
• |
Replace the gasket and clean dust off.
|
|
• |
From outer surface of water pump
|
|
• |
Check the material or any cracks of the water pump.
|
|
• |
Poor material. If any crack found, replace the water pump.
|
|
Noise
|
|
Inspection with a stethoscope
|
• |
After starting the engine, check noise with a stethoscope.
|
|
• |
If there is no noise, reuse the water pump(do not replace it).
|
|
• |
If there is any noise from the water pump, remove the drive belt
and recheck.
|
|
Inspection after removing a drive belt
|
• |
After removing a water pump and a drive belt, check noise again.
|
|
• |
If there is noise, reuse the water pump. Check other drive line
parts.
|
|
• |
If there is no noise, replace the water pump with a new one.
|
|
Inspection after removing a water pump
|
• |
After removing a water pump and a drive belt, check noise again.
|
|
• |
If there is any interference between them, replace the water
pump with a new one.
|
|
Overheating
|
|
Loosened impeller
|
• |
Corrosion of the impeller wing
|
|
• |
Poor coolant quality / Maintenance check
|
|
• |
Impeller seperation from the shaft
|
|
• |
Replace the water pump.
|
|
Other information:
Repair procedures
Inspection
[Gamma 1.6 MPI/T-GDI]
Check the valve clearance.
If necessary, adjust the valve clearance by replacing the tappets.
–
For valve clearance inspection inspection and adjustment.
[Gamma 1.6 MPI]
(Refer to Engine Mechanical System - & ...
1. Start the engine.
2. Set the mode to the desired position.
For improving the effectiveness of
heating and cooling;
- Heating:
- Cooling:
3. Set the temperature control to the
desired position.
4. Set the air intake control to the
outside (fresh) air position (if
equipped).
5. Se ...