47
47
CHAPTER 14
ENGINE
MAINTENANCE
WORKSHOP MANUAL
TL 250
14.3 SECTION 5 COOLING SYSTEM TROUBLESHOOTING
Symptoms: poor engine power, water temperature gauge indicator continually in the red, boiling coolant coming out of the radiator (to be expected when the
indicator suddenly moves into the red) Causes of water overheating:
1
. Thermostat broken;
2
. Radiator cap damaged;
3
. Radiator clogged or cooling fan jammed;
4.
No coolant in radiator;
5
. Cylinder coolant hose or passages encrusted;
6
. Water pump not working properly;
7
. Fans installed incorrectly or damaged;
8
. Radiator fins dirty;
9
. Air pockets in the radiator's coolant circuit.
Causes of water temperature gauge malfunction:
1
. Water temperature gauge or heat detection element performing poorly;
2
. Thermostat performing poorly.
Causes of water leaks:
1.
Ineffective mechanical seal;
2
. Damaged O-ring, which leads to poor sealing and water leaks where the water pump cap mates with the cover;
3
. Break in water hose;
4.
Cylinder gasket damaged. Open the radiator cap and try pulling the throttle a bit. If you see a lot of water coming out of the radiator inlet, the cylinder
gasket is damaged and must be replaced with a new one;
5
. Hose clamp damaged; insufficient tightness resulting in water leaks. Tighten the clamp or install a new one.
Summary of Contents for TL 250
Page 1: ...1 WORKSHOP MANUAL E N...
Page 3: ...WORKSHOP MANUAL TL 250...
Page 11: ...11 WORKSHOP MANUAL TL 250...
Page 30: ...30 WORKSHOP MANUAL TL 250 CHAPTER 6 DASHBOARD 39 GENERAL CONTENT AND CONSULTATION ENGLISH...
Page 49: ...49 49 WORKSHOP MANUAL TL 250...
Page 51: ...51 CHAPTER 15 ELECTRICAL DEVICES 51 WORKSHOP MANUAL TL 250...
Page 136: ...136 136 WORKSHOP MANUAL TL 250...