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Coolant leaking from thermostat housing area - 2000 Ford Explorer

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Replace the thermostat and gasket chep fix

Posted on Sep 15, 2010

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2004 Chrysler concorde limited coolant leak can smell coolant on manifold


Hi,is your coolant overflow tank low,if so,then you have a leak,the area your talking about,is it at the thermostat housing,if so,your housing may be cracked,causing this leak,here's a Autozone repair guide on replacing your thermostat,real easy to do,just need basic tools to do it. http://www.autozone.com/repairinfo/repairguide/repairGuideContent.jsp?pageId=0996b43f802d6757 Here's the part that you may need. SAVE 20 GET 10 GIFT CARD ON ONLINE SHIP TO HOME ORDERS OF 100 OR MORE

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I have anti freeze leaking from the drive side of the engine on a 2008 Mini s clubman around the the thermostat area does any one know for sure if it's the thermostat housing or a hose that leaking?


if the hose clamp is tight it is possibly the housing, if you squeeze the hose near where the leak is you may be able to see the coolant leaking if the hose is split or has a pin hole in it

Jul 22, 2014 | Mini Cooper Cars & Trucks

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Anti freeze leak I hear hissing sound under neath fuel injection system


could be leaking at the top radiator hose going to thermostat, that is a hard spot to see leak remove the air filter and air filter housing look below throttle body you see thermostat housing, check for leaks around thermostat housing gasket and check for leak at the top radiator hose going to radiator and thermostat.if all is good check all radiator hoses for leaks check small coolant lines going to throttle body for leaks and check make sure bleeder screw on thermostat housing not loose it will leak also check around radiator and water pump heater bypass metal lines for leaks.

Sep 10, 2012 | 1999 Chevrolet Lumina

1 Answer

Mysterious coolant leak


Check out this few help links,in related to this types of problem.Click the link below :----Transmission fluid gets into radiator?

http://schematicsdiagram.blogspot.com/2011/12/transmission-fluid-gets-into-radiator.html

----------
The plastic housing which goes to the upper radiator hose is cracked and leaking?

http://schematicsdiagram.blogspot.com/2011/12/plastic-housing-which-goes-to-upper.html

----------
Radiator leaking? http://repairhelpcenter.blogspot.com/2011/12/radiator-leaking.html
--------Car water leak around the Starter area and Bell Housing? http://schematicsdiagram.blogspot.com/2011/12/car-water-leak-around-starter-area-and.html
--------Leaking head gaskets? http://schematicsdiagram.blogspot.com/2011/12/leaking-head-gaskets.html
---------This will help.Thanks.

Jan 16, 2012 | 2001 Dodge Neon

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

Need instructions for replacing thermostat on a 2001 Grand Cherokee 4.7 litre


Do not loosen radiator drain **** with system hot and pressurized. Serious burns from coolant can occur.

NOTE Do not waste reusable coolant. If solution is clean, drain coolant into a clean container for reuse. If thermostat is being replaced, be sure that replacement is specified thermostat for vehicle model and engine type.
Instructions

  1. Locate the Cherokee's thermostat intake housing by following the top radiator hose to the engine. The hose connects to the thermostat intake. A second, smaller hose connects to the left side of the radiator hose. This is a bypass hose for the heater.
  2. Remove the two bolts that secure the Cherokee's thermostat intake housing to the engine with a socket and ratchet and lift the intake upward to drain the coolant in the hose back into the radiator.
  3. Remove the gasket and the thermostat from the engine and discard them. Wipe the mating surfaces of the thermostat intake housing and the engine off with a clean towel.
  4. Place the new thermostat, spring down, into the engine and place the thermostat gasket over the thermostat.
  5. Place the thermostat intake housing onto the thermostat gasket. Thread the bolts into the thermostat intake by hand to avoid cross-threading the bolts and then tighten them using a socket and ratchet.
Additional information:
  1. Clean mating areas of timing chain cover and thermostat housing.
  2. Install thermostat (spring side down) into recessed machined groove on timing chain cover.
  3. Position thermostat housing on timing chain cover.
  4. Install two housing-to-timing chain cover bolts. Tighten bolts to 115 inch lbs. (13 Nm).
    CAUTION Housing must be tightened evenly and thermostat must be centered into recessed groove in timing chain cover. If not, it may result in a cracked housing, damaged timing chain cover threads or coolant leaks.
  5. Install lower radiator hose on thermostat housing.
  6. Install splash shield.
  7. Lower vehicle.
  8. Fill cooling system.
  9. Connect negative battery cable to battery.
  10. Start and warm the engine. Check for leaks.
Good Luck and if this helps don't forget to vote.

Jan 15, 2011 | 2001 Jeep Grand Cherokee

2 Answers

My 1999 Alero must have a leak somewhere because the thermostat gauge rises every few days. I put coolant in it at least 1 a week. I had a new water pump and thermostat put on it, but it is still...


CHECK AROUND WATER PUMP AREA.AND THERMOSTAT HOUSING FOR LEAKS.THE MECHANIC WHO PUT THE WATER PUMP ON MAY FORGOT TO PUT SEALANT ON BOTH SIDES OF THE WATER PUMP GASKET CAUSING LEAKS.LOOK AROUND THERMOSTAT HOUSING FOR LEAKING.IF THERMOSTAT SEAL WAS DAMAGE DURING INSTALLATION IT WILL CAUSE LEAKING.IF ALL LOOKS GOOD CHECK FOR COOLANT LEAKS AROUND RADIATOR .CHECK RADIATOR TOP AND BOTTOM HOSES FOR LEAKS AND CHECK HEATER PIPES AND HEATER CORES HOSES FOR LEAKS.IF ALL HOSES GOOD.CHECK FOR LEAKING CORE PLUGS.

Sep 26, 2010 | 1999 Oldsmobile Alero

2 Answers

Where is the thermostat


Please choose the correct steps for the size of engine that you have:

4.5L & 4.9L Engines
  1. Drain the coolant to a level below the thermostat housing.
  2. It may be necessary to remove the upper air filter assembly on some models.
  3. Remove the 2 bolts securing the upper thermostat housing to the lower housing.
  4. Remove the upper thermostat housing.
  5. Remove the thermostat and O-ring from the lower housing.

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Thermostat installation—4.5L and 4.9L engines

To install:
  1. Install the thermostat and a new O-ring to the lower housing.
  2. Install the upper thermostat housing to the lower housing. Tighten the thermostat housing bolts to 20 ft. lbs. (27 Nm).
  3. Refill the cooling system using a 50/50 mixture of water and ethylene glycol antifreeze.
  4. Start the engine and check for coolant leaks. Allow the engine to come to normal operating temperature. Recheck for coolant leaks.

4.6L Engines
  1. Drain the coolant to a level below the thermostat housing.
  2. On some vehicles, access is easier if the front-end beauty panel and the air cleaner are removed.
  3. Remove the 2 bolts securing the thermostat housing to the intake manifold.
  4. Remove the thermostat housing.
  5. Remove the thermostat and O-ring from the housing.

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Thermostat installation—4.6L Engine


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Loosen the upper radiator hose clamp at the thermostat housing


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Remove the upper radiator hose clamp from the thermostat housing


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Remove the thermostat housing retaining bolts and . . .





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. . . remove the thermostat housing from the engine


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Separate the thermostat from the housing

To install:
  1. Install the thermostat and new O-ring to the housing.
  2. Install the thermostat housing to the intake manifold. Tighten the thermostat housing bolts to 18 ft. lbs. (25 Nm).
  3. Refill the cooling system using a 50/50 mixture of water and ethylene glycol antifreeze.
  4. Install the air cleaner and beauty panel, if removed.
  5. Start the engine and check for coolant leaks. Allow the engine to come to normal operating temperature. Recheck for coolant leaks.

May 23, 2010 | 1996 Cadillac DeVille

1 Answer

Change thermostat on 1998 toyota camry


1. Write down your radio code if it has some anti-theft device.
2. Allow the engine to cool down for about 3-hours before the start of this operation.
3. Open the hood, and disconnect the battery negative terminal. Tuck the negative terminal aside so it won't flip back.
4. Locate the radiator drain-plug (plastic wing-nut) on the lower back side of the radiator, and turn it backward to remove it.
5. Place a container under the radiator to catch the anti-freeze coolant.
6. Remove the radiator cap.
7. Once the coolant is drained, trace the upper radiator hose to where it ends on the engine(thermostat housing), and remove the hose with a medium size plier.
8. Loosen the three bolts holding the thermostat housing. Gently take out the housing.
9. Notice the position the thermostat was previously installed.
10. Replace the old thermostat, and the o-ring around it. Clean its mounting area. Notice that the o-ring fits around the thermostat.
11. Replace the thermostat housing and torque the three bolts to 78-inch pounds. Replace the upper hose.
12. Replace the radiator drain-plug.
13. Re-use the antifreeze coolant and be careful no dirt goes in with the coolant into the radiator.
14. Return the radiator cap.
15. Reconnect the negative battery terminal.
16. Start the car and check for leak.

Important: Anti-freeze coolant harmful to the environment. Return unwanted anti-freeze coolant to collection areas.

Dec 17, 2009 | 1998 Toyota Camry

1 Answer

I have a 1996 Saturn LS2. Recently my low coolant light has been turning on and I simply added water and it was fine for a couple weeks. This last week my temperature began to shoot up (all the way) and...


The water pump is right above that area. Very common area for leaks on the s-series cars. Oh btw the gasket for the thermostat is just the o-ring in the housing, your new thermostat should have included one.

Jan 18, 2009 | 1999 Saturn SL

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