F650 Cooling System FAQs Index

Q: My water pump weephole leaks. My coolant level drops. My oil level rises. My oil looks like chocolate instead of oil. WTF?!
A: Your water pump seals are shot. It is not at all hard to rebuild your water pump yourself. See the Water Pump Failure & Repair FAQ.
Q. My plastic fan blade broke and the dealer wants WAY too much money for a new one. What can I do?
A. Spend $3 for a Replacement Fan Blade. There are a few tricks to the installation, though.
Q. I want to be able to turn on the fan independently of the thermostat. Can I do that?
A. Sure. Just Install a Manual FAN Switch.
Q. My Radiator Fan is Not Working and my Engine is Getting HOT! How can I fix that?
A. See Fan Not Working.
Q: I don't like that "TEMP" light and would prefer a temperature gauge. How do I do that?
A: See Adapting a Euro Temp Gauge to a USA Spec F650.
Q. What is the Coolant Reservoir Actually for?
A. See the "Burp Tank" in the Coolant Change FAQ.
Q. What are the things I should Check for if my Engine is overheating?
A. See the Overheating FAQ.
Q. What is the Radiator Cap Release Pressure? What is the Thermostat Opening Temperature?
A. See the Coolant Change FAQ.
Q. My Hose Clamps are leaking (or keep popping off, or won't go backon)
A. See Hose Clamps FAQ

Q. I have a bad back. Is there a way to change the coolant without removing the gas tank?
A. See the Coolant Change FAQ.

Q. There's drops of Coolant on my Engine/ My Radiator is Wet with Green Stuff. What Gives? Is this common?
A. Unfortunately, yes; there are quite a few reported cases.
Q. My GS Fan failed? Is this common?
A. Yes there are many reported cases.
Q. What are the symptoms of a failing coolant temperature sensor?
A. Check the GS Coolant Change FAQ.