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I cant get any heat in 95 grand marquis 4.6 engine thermostat change already?

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Answered 2007-02-13 21:45:43

Check for a heater control valve in the upper hose to the heater core, they stick all the time, then see if the air mix door is functioning properly on the heater itself.

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PossibleThe thermostat is located on the top of the engine - just follow the top radiator hose to the top of the engine. When you remove that hose you'll the thermostat. Do you have the Automatic Climate Control?


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Check the engine end of the upper radiator hose


my engine runs hot on my 2000 dodge caravan how can i tell if its the water pump i already change the thermostat does not help


Not needed as the thermostat is on top of the engine on the right.


you take off the intake tube follow the radiator hose the the engine that's it it is easy to change drain the coolant take out 2 bolts it has a o ring gasket


On a 1999 Mercury Grand Marquis , 4.6 liter V8 engine : The Original Equipment engine cooling thermostat would be : ( around 192 * Fahrenheit )


follow the top radiator hose to the engine,that bracket where the hose ends is the thermostat housing,remove that and the thermostat is under it,dont fix it replace it


i have the same problem. I took thermostat housing off the block, but cant get out thermostat. Any idea ?




That is one of hundreds of possibilities. See related questions below.


remove the thermostat housing on top of the engine. There are 2 thermostats in there !


The thermostat is located in the housing at the engine end of the top radiator hose.


NO belt in the 302cid engine of a 1988 Mercury Grand Marquis. it is a chain with gears


take the water outlet off the top of the engine and the thermostat should be right there


You didnt say what year and what engine


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Follow the upper rad hose from the rad to the engine and there you will find the thermostat in a housing. When replacing it make sure the spring on the thermostat goes toward the engine.


follow the top radiator hose to the engine. that is where your thermostat is. you will have to drain the radiator, remove the engine side of the hose and remove the thermostat housing to access it. remove thermostat clean mating surface of housing and engine, install thermostat, install housing, secure radiator hose, fill with coolant. start engine and check for leaks.


Unlike most cars where the thermostat is on top of engine. The 300 has its thermostat at the bottom of the engine. follow the lower radiator hose from the radiator back to the engine block. It is hooked to the thermostat housing, and of course... the thermostat is just under the housing. Its not easy to change, expect 1-2 hours , on a good day.


# Drain the radiator below the thermostat level # Remove the water outlet elbow assembly from the engine and the remove the thermostat


On a 1999 Mercury Grand Marquis : The Original Equipment engine cooling thermostat would have been ( around 192 * Fahrenheit )


According to the 1997 Mercury Grand Marquis owners manual : With engine oil filter change : ( 5.0 quarts / 4.7 liters of engine oil )


According to the 2003 Mercury Grand Marquis Owner Guide : With engine oil filter change ( 6.0 quarts / 5.7 liters of engine oil )



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