Hello! Please help.
My problem is this: the water from the engine coolant reservoir tank boils. I took the thermostat away and checked it in a pot with boiling wather, it opens, the waterpump works, the cooling fan comes on at 105 celsius, the hoses or radiator are not stuck with dirt, the wather temperature senzor works ok. I changed the antifreeze before that like this: i drained the old antifreeze, put the new one in the radiator, turned the bike on, left it for a couple of minutes to run with the radiator cap off so the air could bleed away, stopped it, putted the rest of the antifreeze in. I putted 2500 ml wather+antifreeze (as the book says). When I run the bike i can hear, after the water is at 100-105 degrees that it boils in the coolant reservoir. I was thinking that maybe the spring from the radiator cap is broken and the pressure from the radiator pops it open and the water can go throuht that small hose on the top of the radiator in the coolant reservoir. I tried to find a radiator tester to test if the cap is faulty but I couldn't find someone who has one. What else could be the problem? Did someone had the same problem?
My problem is this: the water from the engine coolant reservoir tank boils. I took the thermostat away and checked it in a pot with boiling wather, it opens, the waterpump works, the cooling fan comes on at 105 celsius, the hoses or radiator are not stuck with dirt, the wather temperature senzor works ok. I changed the antifreeze before that like this: i drained the old antifreeze, put the new one in the radiator, turned the bike on, left it for a couple of minutes to run with the radiator cap off so the air could bleed away, stopped it, putted the rest of the antifreeze in. I putted 2500 ml wather+antifreeze (as the book says). When I run the bike i can hear, after the water is at 100-105 degrees that it boils in the coolant reservoir. I was thinking that maybe the spring from the radiator cap is broken and the pressure from the radiator pops it open and the water can go throuht that small hose on the top of the radiator in the coolant reservoir. I tried to find a radiator tester to test if the cap is faulty but I couldn't find someone who has one. What else could be the problem? Did someone had the same problem?