White smoke coming from engine when i shut off van. Van was overheating yesterday but today thermostat goes up but doesnt overheat until i reach my destination when i put it in park. It was low on coolant and so i put dex cool and some water and it still overheats
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Possible thermostat faulty, Thermostat automatic, stays shut, till water reaches correct temp, if it goes faulty, (ie) does not open after reaching running temp, water will not circulate, so engine overheats
I was told this van has plastic gaskets that go out alot easier than the standard gaskets. They will make your van overheat. almost had to do this on mine. Lucked out and it was water pump.
Replacing the thermostat should solve your problem. If they fail they can cause it to overheat. Driving without the thermostat is doable as a temp fix but should not be done for a long period of time.
You have fitted the thremostat in the wrong way around ,the body of the stat goes in towards the engine and thats why you have a hot hose and a cold one the water isnt circulating,when you get it sorted then if still cold heater put some cardboard in front of the radiator to stop the air flow then it work right
oddly enough it sounds like a transmission problem, get a transmission shop to assess the problem, but first try replacing the thermostat. be sure to turn on the heater when adding antifreeze. I have had this problem with my windstar.
First, plastic tube may be the overflow vent from the coolant bottle.Check to see where the attached end goes. You are going to have to check engine for coolant leaks (carefully refill system without spilling anything, then look for dripping anywhere. Look for leaks from all hoses, fittings radiator, water pump etc) After checking for leaks, start it up and check again (watch where you put your hands though) While running, check that the fan comes on when the vehicle reaches operating temp.(no fan, check fan motor, sensor & relay) Turn the heat on (does it have heat?) Check temp of lower hose and upper hose. If overheat happens, is lower hose still cold? (likely bad thermostat). If you found a leak, replace whatever is leaking...best insurance is to change thermostat after any overheat. Last, is there any white smoke from tailpipe, does engine run rough? If so, could be a failed head gasket or crack in cylinder head. (at this point last thing to worry about unless there is excessive smoke or rough run or oil in radiator or coolant in oil).
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