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Thermostat housing replacement - 2000 Ford Escort

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Greg Bernett

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  • Ford Master 2,993 Answers
  • Posted on Dec 07, 2009
Greg Bernett
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These are the steps to replace the thermostat but are applicable to remove and replace the housing also. 2.0L DOHC Zetec Engine WARNING Do not mix Standard (green) Coolant with Extended Life Coolant (orange). If mixing occurs, drain engine cooling system and refill with originally equipped coolant type. If this contamination occurs the service change interval on Extended Life Coolant will be reduced from 6 years/150,000 miles to 3 years/30,000 miles.

  1. Disconnect the battery ground cable.
  2. Drain the engine coolant to a point below the water thermostat.
  3. Disconnect the connector from the camshaft position sensor.
  4. Remove the bolts and move to one side the water hose connection.
  • Remove the water thermostat and seal from the water thermostat housing.
  • Inspect the seal and the water thermostat.
    • To install:
    1. Replace the thermostat and seal into the housing.
    2. Connect the connector to the camshaft position sensor.
    3. Fill the cooling system.
    4. Start the engine and check all hoses and connections for leaks. Allow the engine to warm up so that the water thermostat opens.
    5. Stop the engine. Top off the coolant recovery reservoir as necessary to maintain minimum cold fill level.
    thermostat housing replacement - e990057.gif

    2.0L SOHC Spi Engine
    1. Disconnect the battery ground cable.
    2. Remove the air cleaner outlet tube.
    3. Drain the engine coolant to a point below the water thermostat.
    4. Disconnect the water temperature indicator sender unit and the engine coolant temperature sensor electrical connectors.
    5. Disconnect the upper radiator hose and the heater coolant hose from the water thermostat housing.
    6. Remove the water thermostat housing bolts, the water thermostat housing, and the water thermostat.
    To install:
    NOTE Make sure all of the gasket surfaces are free of all gasket material. Make sure the tabs on the engage properly into slots in thermostat housing.

    1. Install the thermostat housing bolts, thermostat housing and the thermostat.
    2. Connect the upper radiator hose and the heater coolant hose to the thermostat housing.
    3. Connect the water temperature indicator sender unit and the engine coolant temperature sensor electrical connectors.
    4. Fill the cooling system with only Ford Premium Engine Coolant E2FZ-19549-AA (in Oregon F5FZ-19549-CC, in Canada, Motorcraft CXC-8-B) or equivalent meeting Ford specification in a 50/50 mixture with water.
    5. Start the engine and check all hoses and connections for leaks. Allow the engine to warm up so that the water thermostat opens.
    6. Stop the engine. Top off coolant recovery reservoir as required to maintain minimum cold fill level.

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    2.8l. How can I replace thermostat?
    Not from what I am reading. Here is the procedure from the AutoZone repair guide.....

    2.8L & 3.6L Engines

    1. Before servicing the vehicle, refer to the Precautions Section.
    2. Drain the cooling system.
    3. Disconnect the heater hoses from the heater core.
    4. Remove the thermostat housing bolts.
    5. Remove the thermostat housing with the heater pipes, hoses and bolts.
    6. Carefully clean the sealing surfaces with a plastic gasket scraper.
    7. Remove the thermostat.


    26074720-ojz3vd0yogth4bqegxpksi22-4-0.gif
    To install:
    1. Assemble the heater pipes and hoses to the thermostat housing.
    2. Install a new gasket to the thermostat housing.
    3. Install the thermostat.
    4. Install the thermostat housing bolts to the thermostat housing. Partially install the thermostat housing bolts in order to retain the gasket.
    5. Install the thermostat housing with the heater pipes, heater hoses, gasket and bolts.
    6. Install the thermostat housing bolts and tighten to 15 ft. lbs. (20 Nm).
    7. Connect the heater hoses to the heater core.
    8. Fill the cooling system.
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    Jan 30, 2016 • 2007 Cadillac CTS
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    How to get the thermostat housing to disconnect. We have taken all bolts loose but will not come apart.
    Not sure if you have the 2.7L or the 3.5L so I'll post for both sizes for you:


    2.7L Removal procedures
    1. Drain cooling system.
    2. Remove radiator lower hose from thermostat housing.
    3. Remove nuts from heater tube flange studs.
    4. Loosen starter bolt at heater tube bracket.
    5. Pull heater tube out of thermostat housing and position out of the way.
    6. Remove bolt and two studs.
    7. Remove thermostat housing, O-ring and thermostat.
    8. Remove thermostat housing bolts.

    3.5L Removal procedures

    1. Drain cooling system.
    2. Raise vehicle on hoist.
    3. Disconnect electrical connectors from engine oil and power steering pressure switches.
    4. Disconnect radiator and heater hoses from thermostat housing.
    5. Remove thermostat housing bolts.
    6. Remove housing, thermostat, and gasket.
    NOTE:
    The OEM thermostat is staked in place at the factory. To ensure proper seating of replacement thermostat, carefully remove the bulged metal from the thermostat housing using a suitable hand held grinder. It is not necessary to restake the replacement thermostat into the thermostat housing
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    May 07, 2011 • 2003 Dodge Intrepid
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    How do you replace the thermostat on a 2007 Buick Terraza?
    Hi!!
    Engine Coolant Thermostat and Housing Replacement, Tools Required: Hose Clamp Pliers.
    Removal Procedure IMPORTANT:Use the hose clamp pliers to gently release tension on the hose clamp until the hose clamp lock feature engages allowing removal of the hose.
    Fig. 1: View Of Radiator Inlet & Outlet Hoses
    • Drain the cooling system.
    • Using the hose clamp pliers, release the tension on the hose clamp at the thermostat housing and reposition the clamp.
    • Remove the radiator outlet hose from the thermostat housing.
    Fig. 2: Identifying Thermostat Housing & Bolt/Stud
    • Remove the thermostat housing bolt/stud.
    • Remove the thermostat housing.
    INSTALLATION
    • Position the thermostat housing.
    • Install the thermostat housing bolt/stud.
    • Tighten: Tighten the bolts to 25 N.m (18 lb ft).
    • Install the radiator outlet hose to the thermostat housing.
    • Using a small flat-bladed screwdriver, release the hose clamp retention lock at the thermostat housing.
    • Fill the cooling system.
    FIG 1 1kbron_96.gif
    FIG. 2 1kbron_97.gif
     Good Luck and Merry Christmas!! A HELPFUL - 4 THUMBS - rating for this solution would be greatly appreciated. Thank you for using FixYa.
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    Dec 17, 2010 • 2007 Buick Terraza CXL Wagon
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    Replace thermostat
    Two big hoses attach to your radiator. Look for the one that goes back to the TOP of the engine. There is a housing with two bolts in it that the hose connects to. Drain radiator, remove hose. Remove the two bolts. Remove the housing. Thermostat is inside housing or still on engine. It just pulls out. Remove any remaining thermostat housing gasket material from the housing and the engine. Install new thermostat. Should only fit in one way. Install new thermostat housing gasket and the housing. Reattach hose and fill radiator, leaving the cap off. Turn on the car and wait until car gets to warm condition. You will see the water start to move from the radiator to the engine when the new thermostat releases at the proper temperature. Replace the radiator cap and clean up, you are finished.
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    1answer

    Need to find where the thermastat is on a 2003 cadi
    It is in the rear of the engine by the firewall and the intake manifold will need to be removed to gain access t it.

    Engine Coolant Thermostat Replacement (LA3, LY9) Removal Procedure
    1. Remove the thermostat housing. Refer to Engine Coolant Thermostat Housing Replacement .

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    2. Complete the following in order to remove the thermostat from the thermostat housing:
      3. 2.1. Depress the ears on both sides of the thermostat. 2.2. Rotate the thermostat until it clears the retaining feature of the housing. 2.3. Release the pressure from the thermostat. 2.4. Pull the thermostat from the thermostat housing.
    Installation Procedure

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    1. Complete the following in order to Install the thermostat into the thermostat housing:
      2. 1.1. Align the thermostat pin to the thermostat housing orifice. 1.2. Depress the ears on both sides of the thermostat. 1.3. Rotate the thermostat until it aligns with the retaining feature of the housing. 1.4. Release the pressure from the thermostat.
    2. Install the thermostat housing. Refer to Engine Coolant Thermostat Housing Replacement .
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    Jul 10, 2010 • 2003 Cadillac CTS
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    1answer

    I think i have located the thermostat but there is something mounted about it that would have to be unbolted in order to get to the thermostat, does anyone know what this is and if i can get to the...
    You state that you think you have located the thermostat. The part that will need to be unbolted and removed is the thermostat housing. Simply remove the radiator hose and remove the bolts holding the housing in place. You may need to tap the housing gently to break it loose. The thermostat is located in the housing. Be sure to carefully scrap off any remaining gasket on the thermostat housing and the engine where the housing sits. Replace the thermostat and install a new gasket, replace housing, tighten bolts evenly and reattach radiator hose. Top off the radiator to replace any lost coolant.
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    Jun 28, 2010 • 1998 Mercury Sable
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    How to replace thermostat
    300M, Concorde, Intrepid, LHS, 1998-2004 - Thermostat Removal & Installation 2.7L Engine
    1. Disconnect negative cable.
      CAUTION Do not remove pressure cap with the system hot and under pressure because serious burns from coolant can occur.
    2. Drain cooling system.
    3. Remove radiator lower hose from thermostat housing.
    4. Remove nuts from heater tube flange studs.
    5. Loosen starter bolt at heater tube bracket.
    6. Pull heater tube out of thermostat housing and position out of the way.
    7. Remove bolt and two studs.
    8. Remove thermostat housing, O-ring and thermostat.
    9. Remove thermostat housing bolts.
    To install:
    1. Clean gasket sealing surfaces.
      NOTE Install thermostat with the bleed valve located at the 12 o'clock position, between tabs on seal.
    2. Install thermostat and seal into thermostat housing .
    3. If removed, install two studs.
    4. Install thermostat, thermostat housing and O-ring and bolt. Tighten attaching bolts to 105 inch lbs.(12 Nm).
    5. Lubricate new heater return tube O-ring with coolant.
    6. Position heater return tube flange over two studs. Install nuts.
    7. Tighten retaining nuts to 53 inch lbs.(6 Nm).
    8. Tighten starter bolt to 40 ft. lbs. (54.3 Nm).
    9. Connect the lower radiator hose to the thermostat housing. Install hose clamps.
    10. Refill cooling system.
    11. Inspect for leaks.
    12. Connect negative cable.
    3.2L & 3.5L Engines
    1. Disconnect negative cable.
      CAUTION Do not remove pressure cap with the system hot and under pressure because serious burns from coolant can occur.

    2. Drain cooling system.
    3. Raise vehicle on hoist.
    4. Disconnect electrical connectors from engine oil and power steering pressure switches.
    5. Disconnect radiator and heater hoses from thermostat housing.
    6. Remove thermostat housing bolts.
    7. Remove housing, thermostat, and gasket.
      NOTE The OEM thermostat is staked in place at the factory. To ensure proper seating of replacement thermostat, carefully remove the bulged metal from the thermostat housing using a suitable hand held grinder. It is not necessary to restake the replacement thermostat into the thermostat housing.
    To install:
    1. Position gasket on thermostat and housing.
    2. Install thermostat housing, gasket and mounting bolts onto block. Tighten attaching bolts to 105 inch lbs. (12 Nm).
    3. Install radiator hose.
    4. Install bypass hose.
    5. Connect electrical connectors from engine oil and power steering pressure switches.
    6. Connect negative cable.
    7. Fill cooling system.
    8. Inspect for leaks.
    9. Lower vehicle on hoist.

    Hope helps with this (remember rated this) Good luck.
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    Feb 02, 2010 • 2001 Chrysler 300M
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    Replacement of thermostat 2001 alero
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    1. Remove the air cleaner and duct assembly.
    2. Drain the coolant until the coolant level is below the thermostat.
    3. Remove the crossover exhaust pipe.
    4. Remove the radiator hose from the thermostat housing.
    5. Remove the thermostat housing bolts and clean any sealer from the bolt threads.
    6. Remove the thermostat housing and gasket.
    7. Remove the thermostat.
    8. Install the thermostat.
    9. Install the thermostat housing bolts and tighten them to 18 ft. lbs. (25 Nm).
    10. Install the radiator hose to the thermostat housing.
    11. Install the crossover exhaust pipe.
    12. Install the air cleaner and duct assembly.
    13. Good luck...
    14. Fill the cooling system.
    15. Install the thermostat housing and gasket.
    16. Clean the mating surfaces.
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    Jan 28, 2010 • 2001 Oldsmobile Alero
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    I nee d to replace thermostat on 2003 bmw 325i how
    The thermostat is inside a black plastic housing, It is inside the housing assembly where both radiator hoses meet up by the engine. You can't replace just the thermostat, the whole housing has to be replaced,
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    Jan 01, 2010 • 2003 BMW 325
    1helpful
    1answer

    I need to know where the location of the thermostat is on a 1999 chrysler 300m so i can replace
    The 2.7L engine lower radiator hose, connects to the thermostat housing.

    To Remove:
    1.Disconnect the Negative battery cable.
    (Engine COLD!)
    1. Drain cooling system.
    2. Remove radiator lower hose from thermostat housing.
    3. Remove nuts from heater tube flange studs.
    4. Loosen starter bolt at heater tube bracket.
    5. Pull heater tube out of thermostat housing and position out of the way.
    6. Remove bolt and two studs.
    7. Remove thermostat housing, O-ring and thermostat.
    8. Remove thermostat housing bolts.
    To install:
    A.Clean gasket sealing surfaces.
    B.Install thermostat with the bleed valve located at the 12 o'clock position, between tabs on seal.
    1. Install thermostat and seal into thermostat housing .
    2. If removed, install two studs.
    3. Install thermostat, thermostat housing and O-ring and bolt. Tighten attaching bolts to 105 inch lbs.(12 Nm).
    4. Lubricate new heater return tube O-ring with coolant.
    5. Position heater return tube flange over two studs. Install nuts.
    6. Tighten retaining nuts to 53 inch lbs.(6 Nm).
    7. Tighten starter bolt to 40 ft. lbs. (54.3 Nm).
    8. Connect the lower radiator hose to the thermostat housing. Install hose clamps.
    9. Refill cooling system.
    10. Inspect for leaks.
    11. Connect negative cable.
    3.2 and 3.5L engines:
    Disconnect the battery cable. (Again engine COLD)
    1. Drain cooling system.
    2. Raise vehicle on hoist.
    3. Disconnect electrical connectors from engine oil and power steering pressure switches.
    4. Disconnect radiator and heater hoses from thermostat housing.
    5. Remove thermostat housing bolts.
    6. Remove housing, thermostat, and gasket.
    The OEM thermostat is staked in place at the factory. To ensure proper seating of replacement thermostat, carefully remove the bulged metal from the thermostat housing, using a suitable hand held grinder. It is not necessary to restake the replacement thermostat, into the thermostat housing.

    To Install:
    1. Position gasket on thermostat and housing.
    2. Install thermostat housing, gasket and mounting bolts onto block. Tighten attaching bolts to 105 inch lbs. (12 Nm).
    3. Install radiator hose.
    4. Install bypass hose.
    5. Connect electrical connectors from engine oil and power steering pressure switches.
    6. Connect negative cable.
    7. Fill cooling system.
    8. Inspect for leaks.
    9. Lower vehicle on hoist.
    From AutoZone Repair Guides

    I feel this way, I can give you an accurate description, and have taken into account your safety.
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    May 12, 2009 • 1999 Chrysler 300M
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