After a through pre-flight of the Pilot, Little Ramjet on his Scambler and I went for a quick and fast tour of the farm trails. About thirty minutes into the ride, and Little Ramjet smoking old Ramjet, my "temp" light comes on and I immediately roll to a stop and shut down. I leave the key on and hop out to see what the matter may be.
My rear fan isn't turming so I tap it with my hand and it starts to spin for just a moment and shuts off. I tap it again and nothing happens. I remove the fins and cover and check the coolent cursing the Japanese industrial designer who came up with the idiot radiator shroud idea. I check the coolent and it is a nice bright green and at the proper level. The engine is hot but not offending. I look for loose wires, or a cracked leaking hose and find nothing wrong. This Pilot is still in fine shape. I check the fuses and all is well. By this time, the light has gone out and I fire up the Pilot to head back to the barn. Little Ramjet is disappointed and speeds ahead home.
Now back to the barn is about a half of a mile away and I make it back and roll up into the top of the barn when the temp light comes back on. I shut down and tap the fan again and it stays still. Again, I leave the key on and pull the wire to the sensor/thermostat and reseat it. Nothing happens. I tap the fan again. Nothing.
Wife shows up and it's time to head home. No time to follow the problem and I'll see what the manual has to say.
Now if you're me, what would you suspect first? A defective temp sensor? A bad waterpump (remote but it could happen)? I'm going to test the fan first to see if it spins on its own power. Then look to the sensor. As I recall, FL400 nut had this problem when we were at The Rumble on the Ridge and fix it in the field. I was shooting photos and not paying any attention at the time.
So what say you the Odyssey and Pilot Gods?
(pilot)