Honda Magna VF750C, Service Manual

Page: 80 / 306

6.
Cooling System
Service Information
Troubleshooting
System Flow Pattern
Coolant Draining
Service Information
6-1
6-1
6-2
6-3
Thermostat Removal/Installation
6-4
Radiator Removal/Installation
6-5
Radiator Disassembly
I
Assembly
6-6
Water Pump Removal/Installation
6-7
•
Wait until the engine is cool before slowly removing the radiator cap. Removing the cap while the engine is hot
and the coolant is under pressure may cause serious scalding.
•
Radiator coolant is toxic. Keep it away from eyes, mouth, skin and clothes.
- If any coolant gets in your eyes, rinse them with water and consult a doctor immediately.
- If any coolant is swallowed, induce vomiting, gargle and consult a physician immediately.
- If any coolant gets on your skin or clothes, rinse thoroughly with plenty of water.
•
KEEP OUT OF REACH OF CHILDREN.
•
Add coolant at the reserve ta nk. Do not remove the radiator cap except to refi l l or drain the system .
•
All cooling system services can be done with the engine i n the frame.
•
Avoid spi l l i ng coolant on pai nted surfaces.
•
After servici ng the system, check for leaks with a cooling system tester.
•
Refer to section 25 of the Common Service Manual for fan motor switch and thermo sensor i nspection.
Troubleshooting
Engine Temperature Too High
•
Fau lty rad iator cap
•
Insufficient coolant
•
Passages blocked i n radiator, hoses or water jacket
•
Air i n system
•
Fau lty water pump
•
Thermostat stuck closed
•
Fau lty tem peratu re gauge or thermo sensor
•
Fau lty cooling fan motor
•
Fau lty fan motor switch
•
I ncorrect fan shroud instal lation
Engine Temperature Too Low
•
Fau lty tem peratu re gauge or thermo sensor
•
Thermostat stuck open
•
Fau lty cooling fan motor switch
Coolant Leaks
•
Fau lty water pump mechanical seal
•
Deteriorated/fau lty 0-rings
•
Damaged or deteriorated gasket
•
Loose hose connection or cla m p
•
Damaged or deteriorated hose
•
Fau lty radiator cap
6- 1