update vmax700sx

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wisc93ex570-2guy

Member
Joined
Dec 8, 2010
Messages
123
Age
67
Location
Rice lake wisconsin
Hello all well it seems the water pump in my engine is working but my exchangers just arent heating up the hose from the cap to the throttle side exchanger heats up gets pressure but thats when it starts to overheat when squeezing the hoses we can hear the coolant but they arent heating up i'm pulling the head today and also check the pump very frustrating. Thanks for your help
 
Either you have a blockage in the coolant system (doubt it) or your pump is not working. Sure, as the motor warms up, you will get heat, and pressure building up in the system, leading you to believe the pump is working, but you will have no flow. Pull the thermostat (that may be the problem right there) from the system, and re-assemble. Fire up the sled, and watch the bottle for coolant movement. If you have good action in the bottle, then your pump is fine, your exchangers should warm up, and the thermostat needs a toss into the nearest can. If you still don't notice any real coolant movement in the bottle, well then your pump is no longer a pump.
 
When you bled the cooling system at the back of the sled, did coolant pump out? If yes, pump is working. If no, either you still have air in there, or the pump is not working
 
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