Question about 1988 Ford F 150

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95 ford f-150 overheated. thought it was the thermodtat. changed the thermostat but is now leaking coolant from bottom of housing?

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THE T STAT FELL DOWN WHEN YOU WHER EINSTALLING THE HOUSING TAKE IT APART AND GET A PIECE OF STRING AND PUT IT THOUGH THE T STAT AND OUT THE HOUSING TAKE A DRILL BIT OR ANYTHING AND TIE THE STRING TO IT TO HOLD THE T STAT TO THE HOUSING AND PUT IT ON

Posted on Oct 14, 2010

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2 Answers

How to change a thermostat


follow upper hose to housing,remove bolts and seperate, these vehicles usually leak from the housing,and require housing and tstat changed together

Feb 16, 2015 | 2004 Ford Explorer

1 Answer

How to change thermostat


the radiator is filled to the top with coolant and the engine is run without the radiator cap in place, the coolant will expand and spill over as the engine warms up.
  • Drain some coolant into a clean container until the coolant level is below the thermostat housing.
  • Remove the upper radiator hose connection from the thermostat housing.
  • Loosen the housing bolts and remove the housing.
  • Remove the gasket and scrape it carefully from the surface of the housing and the mounting surface on the engine. If the gasket remains on either of the surfaces, there will probably bea coolant leak after reassembly. Some engines use a rubber O-ring to seal a thermostat housing.
  • Compare the size of the thermostat to the old one. They are of different sizes, types, and temperature ratings.
  • The temperature rating is stamped on the sensing bulb on the bottom of the thermostat. The temperature bulb faces the block.
  • When replacing a thermostat, be sure that the thermostat fits into the groove in the block or outlet housing. If the thermostat is installed upside down, the engine will overheat.
  • Install the gasket.
  • Reinstall the thermostat housing. Refill the system and run the engine or pressure test to check for leaks.
  • When the engine has reached operating temperature make sure the thermostat opens.
  • You should be able to see coolant circulating within the radiator.
  • Another way of checking thermostat operation is to feel the top of the radiator hose or use a thermometer or multimeter with a temperature probe to confirm that the coolant is warming up.
  • If the engine is overheating, but the top hose is still cool to the touch, the thermostat is stu

    CAUTION
    If the radiator is filled to the top with coolant and the engine is run without the radiator cap in place, the coolant will expand and spill over as the engine warms up.

    • Drain some coolant into a clean container until the coolant level is below the thermostat housing.
    • Remove the upper radiator hose connection from the thermostat housing.
    • Loosen the housing bolts and remove the housing.
    • Remove the gasket and scrape it carefully from the surface of the housing and the mounting surface on the engine. If the gasket remains on either of the surfaces, there will probably bea coolant leak after reassembly. Some engines use a rubber O-ring to seal a thermostat housing.
    • Compare the size of the thermostat to the old one. They are of different sizes, types, and temperature ratings.
    • The temperature rating is stamped on the sensing bulb on the bottom of the thermostat. The temperature bulb faces the block.
    • When replacing a thermostat, be sure that the thermostat fits into the groove in the block or outlet housing. If the thermostat is installed upside down, the engine will overheat.
    • Install the gasket.
    • Reinstall the thermostat housing. Refill the system and run the engine or pressure test to check for leaks.
    • When the engine has reached operating temperature make sure the thermostat opens.
    • You should be able to see coolant circulating within the radiator.
    • Another way of checking thermostat operation is to feel the top of the radiator hose or use a thermometer or multimeter with a temperature probe to confirm that the coolant is warming up.
    • If the engine is overheating, but the top hose is still cool to the touch, the thermostat is stuck closed and must be replaced.
    NOTE When a paper gasket is used and the recess is in the thermostat housing, it is a good practice to position the thermostat into the recess and glue the gasket to hold it in place. If it falls out of its groove during installation, the outlet housing can be cracked or a coolant leak will result. Before tightening the water outlet housing, try to rock it back and forth to be sure it is flush. Housings are often cracked during this step.ck closed and must be replaced.
NOTE When a paper gasket is used and the recess is in the thermostat housing, it is a good practice to position the thermostat into the recess and glue the gasket to hold it in place. If it falls out of its groove during installation, the outlet housing can be cracked or a coolant leak will result. Before tightening the water outlet housing, try to rock it back and forth to be sure it is flush. Housings are often cracked during this step

May 07, 2012 | 1998 Mercury Mystique

2 Answers

I have a 1998 leaking coolant around the thermostat housing. It overheated last night and I added coolant to get it home. Today as I add more coolant, I can see that it's leaking around the...


Dear,

Please get the sealent seal changed at thermostat housing. it has gone worned out and also tighten the bolts to get the problem solved

thanx

Jun 16, 2011 | Toyota Sienna Cars & Trucks

1 Answer

My 1995 Mercury Sable started overheating, and I thought it might be the thermostat. I replaced the thermostat and gasket, making sure to clean all of the old gasket from the housing and the head, I...


Is this the only place it leaks. These cars are notorious for head gasket & intake gasket leaks. Have the coolant system pressure tested for any other leaks. You also may have cracked the thermostat housing when the thermostat was not seated properly. Check the flow rate through the rad. The rad may be blocking up or the water pump impellor may be loose in the water pump. Hope this helps. Good luck!

Dec 17, 2010 | 1995 Mercury Sable

1 Answer

Overheating,how would change the thermostat


YOU NEED A HAYNES REPAIR MANUAL.BUT YOU DRAIN OUT SOME COOLANT DOWN ENOUGH WHEN YOU TAKE THERMOSTAT HOUSING OFF TO GET TO THERMOSTAT.ANTIFREEZE WONT GO EVERY WHERE.TO GET STARTED YOU HAVE TO REMOVE RADIATOR SUPPORT COVER.AND THE AIR FILTER HOUSING.LOOSEN THE HOSE CLAMP.THEN DETACH THE HOSE FROM THERMOSTAT HOUSING.THEN REMOVE THERMOSTAT COVER MOUNTING BOLTS THEN REMOVE HOUSING.BE PREPARED FOR SOME COOLANT TO SPILL WHEN YOU REMOVE HOUSING AND BREAK THE SEAL.BE SURE TO REMOVE ALL TRACES OF OLD GASKET MATERIAL AND OR SEALANT FROM HOUSING COVER.THEN INSTALL THE NEW THEERMOSTAT IN THE HOUSING WITHOUT USING SEALANT.MAKE SURE SPRING END IS DIRECTED INTO THE HOUSING.APPLY CLEAN ANTIFREEZE TO THE NEW O - RING ON THERMOSTAT FOR LUBRICATION BEFORE INSTALLATION.PUT EVERYTHING BACK VISA VERSA.TORQUE THERMOSTAT HOUSING BOLTS TO 89 INCH POUNDS.PUT HOSES TIGHTEN HOSE CLAMP.FILL UP THE COOLANT SYSTEM CRANK CAR CHECK FOR LEAKS.

Feb 16, 2010 | 1998 Cadillac DeVille

1 Answer

Overheating, thought upper hose was leaking replaced that but still leaking is the thermostat in that area?


Your thermostat is located where the upper radiator hose connects to the engine under a housing. If it is not leaking there then check the bottom of your water pump. Look at it from underneath and you will see a small weep hole in the water pump housing. If it is leaking there your seal or bearing packing has gone bad. Simple solution- replace the water pump. The other reasons for overheating could be a stuck thermostat which will cause the vehicle to overheat within about 5-10 minutes after starting. The other cause could be a radiator that needs to be roded and cored because of to many deposits internally causing restricted flow of the coolant.The thermostat could be cracked or rusted out also. Try to gain access to a system pressurizer to find your leak. I have given you just about every scenario to check to find your problem. Good luck.

Dec 08, 2009 | 1994 Ford Explorer Limited

1 Answer

Son has a 1997 contour with 2.0l overheated


hard to get to and difficult job...are you sure you dont have cracked head? is there water in the oil....does the oil look milky? look in the radiator is there oil residue in the coolant........

Nov 08, 2009 | 1997 Ford Contour

1 Answer

How do you change the thermostat on a 98 ford ranger 2.5L


CAUTION If the radiator is filled to the top with coolant and the engine is run without the radiator cap in place, the coolant will expand and spill over as the engine warms up.

  • Drain some coolant into a clean container until the coolant level is below the thermostat housing.
  • Remove the upper radiator hose connection from the thermostat housing.
  • Loosen the housing bolts and remove the housing.
  • Remove the gasket and scrape it carefully from the surface of the housing and the mounting surface on the engine. If the gasket remains on either of the surfaces, there will probably bea coolant leak after reassembly. Some engines use a rubber O-ring to seal a thermostat housing.
  • Compare the size of the thermostat to the old one. They are of different sizes, types, and temperature ratings.
  • The temperature rating is stamped on the sensing bulb on the bottom of the thermostat. The temperature bulb faces the block.
  • When replacing a thermostat, be sure that the thermostat fits into the groove in the block or outlet housing. If the thermostat is installed upside down, the engine will overheat.
  • Install the gasket.
  • Reinstall the thermostat housing. Refill the system and run the engine or pressure test to check for leaks.
  • When the engine has reached operating temperature make sure the thermostat opens.
  • You should be able to see coolant circulating within the radiator.
  • Another way of checking thermostat operation is to feel the top of the radiator hose or use a thermometer or multimeter with a temperature probe to confirm that the coolant is warming up.
  • If the engine is overheating, but the top hose is still cool to the touch, the thermostat is stuck closed and must be replaced.


When replacing the thermostat, also replace the gasket that seals the thermostat in place and is positioned between the water outlet casting and the engine block.
Generally, these gaskets are made of a composition fiber material and are die-cut to match the thermostat opening and mounting bolt configuration of the water outlet. Thermostat gaskets generally come with or without an adhesive backing. The adhesive backing of gaskets holds the thermostat securely centered in the mounting flange, leaving your both hands free to align and bolt the thermostat securely in place.
  • Remove the thermostat housing.
  • Remove the gasket and scrape it carefully from the surface of the housing and the mounting surface on the engine. If any gasket remains on either of the surfaces, there will probably be a coolant leak after reassembly.
  • Some engines use a rubber O-ring to seal a thermostat housing.
  • Install the gasket.
Hopefully this is helpfully

Nov 17, 2008 | 1998 Ford Ranger SuperCab

2 Answers

2.3l ranger keeps overheating, been through two radiators already.


Hello Ranger Joe, eight months and two radiators is very uncommon. Question, Have you visually confirmed the leak in the radiators or is the leak near the hose connections? Replacing the radiator, cap, water pump, & the thermostat leaves only two others, the hoses and the engine block/heads. Far fitched will be something or somebody poking holes in the radiator.

Nov 07, 2008 | 2003 Ford Ranger Regular Cab

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