Question about Mercury Sable
Our cooling fan is not coming on. The gauge reads in the 3/4 of normal range. Is there a certain temp when it does engage ? How hot does it need to get to turn on? ( We just got the car).
Try this.. turn off the heater and let the car idle.. wait until the fan comes on.. if it does not come on before the guage pegs over extremely hot(you will smell antifreeze) then you have a water pump issue and/ or thermostat/ cooling fan relay issue.. if it does come on and cool down..use this as a base reading for this car as long as everything works fine..
Posted on Dec 26, 2013
Depending on what year the Sable is, there may have been a recall on the connector at the fan motor where it plugs in. Usually the fan will turn on when the engine gets between 210-215 degrees. It may vary a bit but shouldn't get much hotter than that. You can test it by turning on the A/C, it should automatically turn on then.
Posted on Dec 26, 2013
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Posted on Jan 02, 2017
SOURCE: 2000 maxima overheating
You have a new radiator and thermostat, so your coolant was flushed. Was the radiator "burped" afterward to get rid of air bubbles? If not, that needs to be done first - it would explain virtually every symptom you're seeing.
Jack up the car so that the radiator cap is elevated. With the coolant topped off, start the car and let it run until it's about 3/4 of the way to overheating. Then shut it down and go have a beer. When it cools off enough to safely open the radiator cap, do so, and any air trapped in the system will bleed out.
What you're doing is circulating the coolant and the air bubbles inside. The bubbles get lodged behind the thermostat and stay there, keeping it from opening (this causes the car to heat up). When you later pop the cap off the radiator, the pressure is vented from the system, the thermostat opens, and the bubbles pass through. They'll work their way to the radiator (since you've got it elevated) and pop out the open cap opening.
Your coolant level will likely drop somewhat after doing this, as the air bubbles will be gone and the space they took up in the system is now available. You may need to add a little more coolant, so top if off (with the car back on the ground) and recap the radiator, fill the overflow to the marked point on the tank, and you're good to go.
Try this if you haven't already, and post back up with your results. If it doesn't solve the problems, we'll take it further.
Posted on Aug 11, 2008
air sometimes gets trapped in the heater hoses or heatercore itself pull the upper heater hose off the block,hold it in the air and try to fill it,that should push the air out of the line
Posted on Jan 26, 2009
Yes it looks like it. Provided you installed the thermostat in the correct direction, Here's the test, remove the radiator cap, start the car and wait for the engine to warm up, When you can see the temp begin to rise on the gauge the thermostat will open. While reving the engine look for turbulance in the coolant/antifreeze in the radiator opening.
If none is observed then replace the water pump.
Posted on Jul 27, 2009
try the thermostat first if its not that SELL IT lol the head gaskets can cause it to over heat so will cracked or warped heads if you drive it to long overheating ( if it is )
you can do alot of damage to the engine GET IT LOOKED AT this can some times be very costly to fix
Posted on Nov 10, 2009
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