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Where is the thermostat housing? - 1997 Subaru Legacy

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THERMOSTAT HOUSING ON THE BOTTOM OF WATER PUMP.

Posted on Oct 15, 2010

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Hello jonah! i need to replace a thermostat on my 2004 chevy colorado, 3.5 litre engine can you tell me where it is located on my engine?


Check this procedure for Canyon, Colorado 2004-2005 - Removal & Installation
  1. Drain the cooling system.
  2. Raise and support the vehicle only high enough to access the thermostat housing through the wheelhouse.
  3. Remove the left wheelhouse liner.
  4. Remove the radiator inlet hose from the thermostat housing.
  5. Remove the thermostat housing bolts.
  6. Remove the thermostat housing from the engine block.
  7. Clean and inspect the thermostat housing.
  8. Clean and inspect the sealing surface of the engine block.
To install:
  1. Position the thermostat housing to the engine block.
  2. Install the thermostat housing bolts and tighten to 89 inch lbs. (10 Nm).
  3. Connect the radiator inlet hose to the thermostat housing.
  4. Install the left wheelhouse liner.
  5. Lower the vehicle.
  6. Fill the cooling system.
  7. Inspect all sealing surfaces for leaks after starting the engine.
  1. Drain the cooling system.
  2. Raise and support the vehicle only high enough to access the thermostat housing through the wheelhouse.
  3. Remove the left wheelhouse liner.
  4. Position the hose clamp pliers to the clamp to remove the radiator inlet hose from the thermostat housing.
  5. Remove the thermostat housing bolts.
  6. Remove the thermostat housing from the engine block.
  7. Clean and inspect the thermostat housing.
  8. Clean and inspect the sealing surface of the engine block.
To install:
  1. Position the thermostat housing to the engine block.
  2. Install the thermostat housing bolts and tighten to 89 inch lbs. (10 Nm).
  3. Connect the radiator inlet hose to the thermostat housing.
  4. Install the left wheelhouse liner.
  5. Lower the vehicle.
  6. Fill the cooling system.
  7. Inspect all sealing surfaces for leaks after starting the engine.
Hope helps (remember to rating this answer).

Oct 06, 2011 | 2004 Chevrolet Colorado

1 Answer

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

May 07, 2011 | 2003 Dodge Intrepid

2 Answers

Where is thermostat on my 2005 chevy classic


Thermostat Removal & Installation 2.2L Engine 2004-2005 To Remove:
  1. Drain the cooling system. chevy_cav_02-04_tstat.gif
  2. Remove the thermostat housing-to-water pump feed pipe bolts. chevy_cav_02-04_feedpipe.gif
  3. Remove the water pump feed pipe from the thermostat housing .
  4. Remove the thermostat from the housing.
To Install:
  1. Install the thermostat on the housing.
  2. Install the water pump feed pipe on the thermostat housing with the mounting bolts. Tighten 89 in-lb (10 Nm).
  3. Fill the cooling system.
2006-2007 To Remove:
  1. Drain the cooling system.
  2. Disconnect the radiator outlet hose from the surge tank and thermostat housing cover. Thermostat & cover gm-03-39-3601.gif
  3. Remove the mounting bolts and remove the thermostat housing cover.
  4. Remove the thermostat from the housing. Discard the O-ring.
To Install:
  1. Using a new O-ring, install the thermostat on the housing.
  2. Install the thermostat housing cover with the mounting bolts. Tighten 89 in-lb (10 Nm).
  3. Connect the radiator outlet hose to the surge tank and thermostat housing cover.
  4. Fill the cooling system.
3.5L Engine (LZ4) W/ Variable Valve Timing & 3.9L Engine To Remove:
  1. Drain the cooling system.
  2. Remove the air cleaner outlet duct.
  3. Disconnect the radiator outlet hose from the thermostat housing. Thermostat 3.9L gm-03-00-3054.gif
  4. Remove the mounting bolt/stud and remove the thermostat housing.
  5. Remove the thermostat from the engine.
  6. Clean the sealing surfaces.
To Install:
  1. Using a new gasket, install the thermostat on the engine.
  2. Install the thermostat housing with the mounting bolts. Tighten 89 in-lb (10 Nm).
  3. Connect the radiator outlet hose to the thermostat housing.
  4. Install the air cleaner outlet duct.
  5. Fill the cooling system.
  6. Check the cooling system for leaks.
3.5L Engine (LX9) W/O Variable Valve Timing To Remove:
  1. Drain the coolant.
  2. Disconnect the radiator hose from the thermostat housing. Thermostat 3.5L gm_mv_ven_tstat.gif
  3. Remove the mounting bolt/stud and remove the thermostat housing.
  4. Remove the housing gasket.
  5. Remove the thermostat.
  6. Clean the mating surfaces.
To Install:
  1. Install the thermostat on the engine.
  2. Install the thermostat housing and gasket with the mounting bolts. Tighten 18 ft-lb (25 Nm).
  3. Connect the radiator hose to the thermostat housing.
  4. Fill the cooling system.
  5. Check the cooling system for leaks.

Jan 29, 2011 | 2005 Chevrolet Malibu

2 Answers

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.

Oct 09, 2010 | 1993 Cadillac DeVille

2 Answers

How do i remove rhe thermostat from the housing in a 2004 GMC Envoy


Hello, to remove the thermostat from the housing , follow this steps:

  1. Remove the necessary coolant from the radiator.
  2. Remove the alternator, Loosen the outlet hose clamp at the thermostat housing. Remove the outlet hose from the thermostat housing.
  3. Remove the thermostat housing bolts.
  4. Remove the thermostat housing from the engine block.
  5. Clean all of the surfaces of the thermostat housing.
  6. Clean the sealing surface of the engine block.
Thanks

Aug 17, 2010 | GMC Envoy Cars & Trucks

2 Answers

Where is the thermostat located


77f1c56.jpg

Fig. The location of the thermostat and its housing on the 3.7L engine

  1. Disconnect negative battery cable at battery.
  2. Drain cooling system.
  3. Raise vehicle on hoist.
  4. Remove splash shield.
  5. Remove lower radiator hose clamp and lower radiator hose at thermostat housing.
  6. Remove thermostat housing mounting bolts, thermostat housing and thermostat .
To install:
  1. Clean mating areas of timing chain cover and thermostat housing.
  2. Install thermostat (spring side down) into recessed machined groove on housing assembly. Make sure rubber seal locating tab is positioned in the corresponding notch in the housing.
  3. Position thermostat housing on timing chain cover.
  4. Install two housing-to-timing chain cover bolts. Tighten bolts to 105 inch lbs. (12 Nm) torque.
  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.

Hope helps (remember rated and comment this).

Aug 06, 2010 | 2002 Jeep Liberty

1 Answer

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 .

  2. 790876.gif
    tif.gif
  3. Complete the following in order to remove the thermostat from the thermostat housing:
  4. 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

    790876.gif
    tif.gif
  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.
  3. Install the thermostat housing. Refer to Engine Coolant Thermostat Housing Replacement .

Jul 10, 2010 | 2003 Cadillac CTS

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.

280c20b.gif
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.

57a3857.gif
Thermostat installation—4.6L Engine


3b692a6.gif
Loosen the upper radiator hose clamp at the thermostat housing


d0a7ab0.gif
Remove the upper radiator hose clamp from the thermostat housing


d22f120.gif
Remove the thermostat housing retaining bolts and . . .





d497806.gif
. . . remove the thermostat housing from the engine


c2d4b5e.gif
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

How do I remove the thermostat from my 2001 chevy venture


2001 Chevrolet Truck Venture FWD 3.4L SFI 6cyl

Removal & Installation

  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.
    30d8f30.jpg

    Fig. Remove the housing bolts
  6. Remove the thermostat housing and gasket.
  7. Remove the thermostat.
  8. Clean the mating surfaces.

To install:


6c98478.jpg

Fig. The removal and installation of the thermostat
  1. Install the thermostat.
  2. Install the thermostat housing and gasket.
    NOTE Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  3. Install the thermostat housing bolts and tighten them to 18 ft. lbs. (25 Nm).
  4. Install the radiator hose to the thermostat housing.
  5. Install the crossover exhaust pipe.
  6. Install the air cleaner and duct assembly.
  7. Fill the cooling system.

3.5L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  2. Remove the air cleaner intake duct.
  3. Partially drain the cooling system.
  4. Remove the radiator inlet hose from the thermostat housing.
  5. Remove the thermostat housing bolts.
  6. Remove the thermostat.
  7. Clean and inspect the thermostat housing gasket mating surfaces.
To install:
  1. Install the thermostat.
  2. Install the thermostat housing.
  3. Install the thermostat housing bolts and tighten to 18 ft. lbs. (25 Nm).
  4. Install the radiator inlet hose to the thermostat housing.
  5. Install the air cleaner intake duct.
  6. Fill the cooling system.
  7. Start the engine and check for leaks.
3.9L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  2. Drain the cooling system.
  3. Release the tension on the hose clamp at the thermostat housing and remove coolant hose.
  4. Remove the thermostat housing mounting bolts and remove the thermostat housing.

    5734720.jpg
    Fig. Remove the thermostat housing to access the thermostat-3.9L engine shown
  5. Remove the thermostat.
To install:
  1. Install the thermostat.
  2. Install the thermostat housing and tighten the bolts to 18 ft. lbs. (25 Nm).
  3. Install the coolant hose to the thermostat housing and install the hose clamp.
  4. Refill the cooling system to the correct level.
  5. Start the engine and check for leaks.

I hope help you whit thie (remember rated this help) Have a nice day and good luck.

Sep 23, 2009 | 2001 Chevrolet Venture

1 Answer

NEED LOCATION OF THERMOSTAT IN 1991 CADILLAC SEVILLE


  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.
0900c15280090476.jpgThermostat installation—4.6L Engine 0900c15280090477.jpgLoosen the upper radiator hose clamp at the thermostat housing 0900c15280090478.jpgRemove the upper radiator hose clamp from the thermostat housing 0900c15280090479.jpgRemove the thermostat housing retaining bolts and . . . 0900c1528009047a.jpg. . . remove the thermostat housing from the engine 0900c1528009047b.jpgSeparate 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.

Nov 27, 2008 | 1992 Cadillac DeVille

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