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Re: 2002 renezvous gets hot rad is full and fan is...
Yep that what it sound like.also check both radiator hoses if your top hose dont get hot when you warm engines warms up.and the bottom only get hot.then thermostat stuck close
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you might want to change or at least inspect the thermostat. you can also try jumping the fans to see if they are working. You also have 2 relays under the hood that control your rad fan speeds you can check them to see if they are working. This would be a good place to start without throwing a lot of parts at it.
Loosen the cap on the rad and run the engine up to operating temperature. Make sure the rad is full, and go for a short drive around the block to warm up the engine. Make sure the heater is turned on high and the fan running full. There will likely be some burping and gurgling going on as the air gets forced out. Keep checking and topping up the rad. Eventually it will stop.You should run it for acouple days with the cap loose to be sure all the air is out. After that, make sure the rad is full, close the cap and top up the overflow bucket.
could be waterpump?
i was going to say rad fan,but if so heater would be hot.
lack of coolant will make heater core to blow cold,if engine heats up with full coolant,usually means poor or no circulation.
water pump?
run engine with full coolant,at operating temp.with rad cap off and look in rad cap hole and see if there is movement of water inside rad.
[rad fan will not come on if water is not circulating through rad water pump?]
Check you coolant in the rad, when the car is cold, if full, start & run the car till it gets warm to make sure the fan turns on, if fan turns on change thermostat.
your fan motor is shot, motor has bad brushes replace it, if u feel its still not hot, drain your rad and but a 28 oz bottle of pine sole and add water till full, run it for about 20 mins. drain, run strait water, drain, then put anti frezz in with water, 50/50 mix or mix your own. it should clean your cooling system compleatly out.. do not turn heat on while pine sole is running throw it, gives of a bad smell.
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