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I have a 2001 ford explorer 2wd 4.0L and it has been running hot. Yesterday I replaced the thermostat and gasket. The housing unit and hoses have no damage but the truck is still running hot. What could it possibly else be? Also the truck has also started doing a beeping sound when started and I cant figure out where it is from and why it is doing it.

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I would have suspected the same, replacing the thermostat which would be the easiest fix. Next would be the waterpump. It's a pretty easy job and you'll find several step by step videos online if you need the help. Worst case would be a bad intake or head gasket. In the case of my wife's chevy venture, the 3.4L chevy is know for that issue. Good Luck

Posted on May 17, 2014


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2004 Ford Explorer V6 engine over heating i replaced gasket, thermostat, top housing unit and the o-ring now it is leaking from behind the base where the thermostat housing is bolted down to just behind...

There is a gasket on the base of the housing, the housing you speak off has the sensor and a heater hose and bolts to top of the intake and also hold the thermostant, this housing does contain a rubber molded gaske, i have replaced a few of these, heres the problem i have run into a couple where the plastic was eaten away in the area that holds the gasket in place. if you remove it you will see a groove that the gasket sits inside of, if the groove is broken then replace the housing but if its good then all you need is the gasket, you will need to ask for thermostat housing gasket to engine intake, this gets confusing to a parts person as they may think you are asking for the thermostat gasket, also in the rear bottom of the housing theres a hose connected to the housing make sure thats not your leak, the hose may also be leaking. good day

Sep 03, 2011 | Ford Explorer Cars & Trucks

1 Answer

How do you change the thermastat on the 2005 ford explorer sport trac

  1. 1 Drain the coolant from your Explorer into an adequate container by opening the drain plug at the bottom of the radiator. Save the coolant for reuse if it is relatively new and clean.
  2. 2 Remove the negative battery cable from the battery if your Explorer has a 2.9-, 3.0-, 4.0- or 5.0-liter engine. This step is not necessary for 2.3- and 2.5-liter engines.
  3. 3 Follow the upper radiator hose to the front driver's side of the intake manifold, where it meets the engine. This is where the thermostat housing on your Ford Explorer is located. If necessary, remove the air cleaner duct for easy access to the housing.
  4. 4 Loosen the clip on the end of the radiator hose and pull the hose off the thermostat housing. Use a 10mm wrench or socket to remove the two retaining bolts on the thermostat housing cover. Remove the cover.
  5. 5 Note the position of the thermostat before removal. Pull out the old thermostat. Seat the new thermostat inside the housing in the same position as the old one, spring-side facing into the engine. Install new gasket over the thermostat.
  6. 6 Reattach the thermostat housing cover and the radiator hose. Reinstall the air cleaner duct if removed earlier. Fill the radiator with reserve or new coolant. Start your Explorer and run with the heater blowing until the engine gets warm. Check for leaks.

Read more: How to Change the Thermostat in a Ford Explorer '

Jan 28, 2011 | 2005 Ford Explorer Sport Trac

1 Answer

Ford ranger 2001 2.3 Ihave to replace the thermostat, What is involved/

2001 Ford Truck Ranger 2WD 2.3L MFI DOHC 4cyl
  1. Drain the cooling system.
  2. Disconnect the radiator hose and the electrical connector.
  3. Disconnect the radiator lower hose.
  4. Remove the bolts and the thermostat housing.
  5. To install, reverse the removal procedure. Tighten the housing bolts to 89 inch lbs. (10 Nm).

Hope helps (remember to rate and comment this).

Oct 01, 2010 | 2001 Ford Ranger Regular Cab

2 Answers

Replace thermostat housing

Detach coolant hose after draining down the coolant below that level. Take off the housing, you may need a rubber mallet to break seal/gasket. You might as well replace thermostat while your there. Use new gaskets or sealant, then put on new housing nice and tight. Reattach coolant hose and refill radiator. The coolant temperature sensor is near there and if old you should change this also while you are doing this and coolant level is already lowered.

Sep 03, 2010 | 2003 Ford Explorer

1 Answer

I am looking for a manual or how to guide for replacing the thermostat on a 2004 Ford Explorer Sport Trac.

remove radiator house from thermostat housing inlet... then remove two bolts that hold the housing on... remove thermostat from housing... replace thermostat with new one... make sure housing does not have any of the old gasket left on it, then replace gasket... ensure you use high temprature rtv.... then put the bolts back in and then put the hose back on... hope this helps

Mar 30, 2010 | 2004 Ford Explorer Sport Trac

1 Answer

How do I install a new thermostat?

Explorer Thermostat LocationHere is advice for finding the thermostat:

  • Follow the upper radiator hose from the radiator to the engine and there is a housing that houses the thermostat. Take it off and when you reinstall the thermostsat, make sure the spring goes toward the engine.

  • The thermostat is located on the motor block under the three bolt flang that the top rediator hose connects to. Remove the three 10MM bolts and the thermostat can be removed for replacement.

How to Change an Explorer Thermostat
  • 1. Remove the air cleaner air duct from the throttle body and air cleaner.
  • 2. Follow the upper radiator hose to the engine to locate the thermostat housing. The housing is located at the front of the intake manifold.
  • 3. Loosen the hose clamp, then detach the hose from the fitting. This can be difficult. If it's stuck, grasp with a pair of adjustable pliers and twist to break the seal. Then pull it off.
  • 4. Remove the bolts and detach the housing cover. Be prepared some coolant may leak out as the gasket seal is broken. Remove the thermostat.
  • 5. Install the new o-ring onto the thermostat (no gasket is needed) and install the thermostat into the intake manifold with the spring side pointing toward the engine.
  • 6. Make sure the air release valve is in the up 12 o'clock position. Install housing cover and bolts. Reattach the hose fitting and tighten the hose clamp. Fill the cooling system with a 50/50 mix of coolant and water, and burp the system.

Nov 05, 2009 | 2001 Ford Explorer Sport

1 Answer

Car runs hot with cap on i replace cap and it still run hot.

The cap is not the culprit. More than likely you have a bad thermostat. Since you are going to have to remove the thermostat housing, now is a good time to get a flush kit from an auto parts store and also check the radiator hoses to make sure they are in good condition. If not, this is an excellent time to replace them.

Remember, when you take apart the thermostat housing, you must be sure to scrape all the old gasket off the housing and block as well. Be sure to put the new thermostat in right side up. You will have a gasket, and you will need gasket cement.

Nov 05, 2009 | 2001 Cadillac DeVille

1 Answer

My 1993 Ford Explorer seems to be running hot. Yesterday, several components of the a/c system were replaced because they had crashed. It was also drained, vaccuumed and recharged. Could these things have...

Is the engine overheating? or running too hot? If it is the engine itself, then i would have to say it is most likely a problem with your cooling system, it may be the thermostat is stuck or has gone bad, start the vehicle, and get it warming up, once it is warmed up carefuly feel the radiator hose that goes into the thermostat houseing, and leaveing the thermostat houseing, if it is not warm on both hoses, then you have a stuck thermostat, if it is warm on both hoses, then you need to check to see if you have a collapsed hose somewhere, if not, then it is something more serious, also check your oil to make sure it is brown or black in color, if it is milky color then you have a blown head gasket, or a cracked you realy need to go over the cooling system real good and eliminate one thing at a time till you find the exact cause...........hope this helps. if you have more information that may help me find your problem, hit me back...............

Jun 27, 2009 | Ford Explorer Cars & Trucks

2 Answers

High mileage 1996 Ford Explorer v8 overheats at 75-80 mph

if your mechanic seen no leaks from hoses or thermostat housing its sounds that either your fan clutch or your thermostat is bad. if its heats will driving streets and not highway its your fan clutch and needs to be replaced. if it overheats in streets and highway its your thermostat and needs to be replaced,you will need a thermostat and gasket with some silicone. Drain, follow the radiator hose to the housing and take 3 bolt off, clean housing well,CAREFULLY install the t-stat exactly the way is was taken out (pic), gasket,sillicone, bolt. ecc3d0c.jpg   its an easy job. Good luck!

Apr 27, 2009 | 1996 Ford Explorer

1 Answer

My engine runs hot

Replace the thermostat . Check your coolant level. Do not run the car hot. More damage such as warped heads and head gasket damage will occur.The intake manifold gaskets can also blow. Bleed the system when refilling with antifreeze/coolant. if the fans are not turning replace the temperature control sensor located at the top of the enging near the thermostat housing.

Feb 13, 2009 | 2001 Daewoo Leganza

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