Remove thermostat - 2000 Chrysler Concorde

3.4L Engine

1. Remove the thermostat housing to intake manifold bolts.
   
2. Remove the thermostat housing outlet and thermostat

3.1L Engine

1. Remove thermostat housing-to-intake manifold attaching bolt and nut, then remove the housing.
   
2. Remove the thermostat.

2.2L Engine

1. Remove the thermostat housing to water pump feed pipe bolts.
   
2. Remove the thermostat housing to water pump feed pipe.
   
3. Remove the thermostat.

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Check this...

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.

Fig. The removal and installation of the thermostat

Good luck.

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

Thermostat Removal & Installation 2.2L Engine 2004-2005 To Remove:

1. Drain the cooling system.
   
2. Remove the thermostat housing-to-water pump feed pipe bolts.
   
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
   
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
   
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
   
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.

Thermostat Removal & Installation 3.4L & 3.5L Engine To Remove:

1. Drain the coolant below the level of the thermostat.
2. Remove the air cleaner and duct assembly.
3. Remove the exhaust crossover pipe.
4. Disconnect the radiator hose from the thermostat housing.
   
   
5. Remove the mounting bolts and remove the thermostat housing.
6. Remove the housing gasket.
7. Remove the thermostat.
8. Clean the mating surfaces.

To Install:

1. Install the thermostat on the engine. NOTE: Apply RTV sealer to the thermostat housing bolt threads.
   
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. Install the exhaust crossover pipe.
5. Install the air cleaner and duct assembly.
6. Fill the cooling system.
7. Check the cooling system for leaks.

3.6L Engine To Remove:

1. Remove the air cleaner.
2. Remove the throttle body.
3. Remove the heater pipes.
4. Remove the coolant inlet pipe. Thermostat 3.6L
   
   
5. Remove the thermostat mounting bolts and remove the thermostat.
6. Clean the thermostat and heater pipe mating surfaces.

To Install:

1. Place the thermostat in the housing with a new gasket.
2. Install the thermostat and gasket on the engine with the mounting bolts. Tighten 89 in-lb (10 Nm).
3. Install the coolant inlet pipe.
4. Install the heater pipes.
5. Install the throttle body.
6. Install the air cleaner.
7. Fill the cooling system and perform a leak test.

Not sure which engine you have so please pick the appropriate engine:

2.2L Engine

1. If equipped with an automatic transaxle, remove the exhaust manifold, as outlined in this section.
   
2. Drain the cooling system.
   
3. Remove the thermostat housing to water pump feed pipe bolts.
   
4. Remove the thermostat housing to water pump feed pipe.
   

Thermostat mounting-2.2L engine


3.1L Engines

1. Disconnect the negative battery cable.
   
2. Drain the cooling system to a level below the thermostat housing.
   
3. Remove the air cleaner assembly.
   
4. Disconnect the surge tank line from the thermostat housing.
   
5. Remove thermostat housing-to-intake manifold attaching bolt and nut, then remove the housing.
   
6. Remove the thermostat.
   

3.4L Engine

1. Drain the cooling system.
   
2. Remove the air cleaner.
   
3. Remove exhaust crossover pipe.
   
4. Disconnect the surge tank line fitting from the coolant outlet.
   
5. Remove the thermostat housing to intake manifold bolts.
   
6. Remove the thermostat housing outlet and thermostat
   
7. Clean the mating surfaces.
   

Thermostat Removal & Installation 2.2L Engine To Remove:

1. Remove the exhaust manifold. If equipped with an automatic transmission.
2. Drain the cooling system.
3. Remove or disconnect the following:
   
   
   • Thermostat housing to water pump feed pipe bolts.
     
     
   • Thermostat housing to water pump feed pipe.
   • Thermostat.

To Install:

1. Install or connect the following:
   • Thermostat.
   • Thermostat housing to water pump feed pipe.
   • Thermostat housing to water pump feed pipe bolt.
     1. Tighten bolt to 89 in lbs (10 Nm).
   • Exhaust manifold if equipped with an automatic transmission.
2. Fill the cooling system.

2.4L Engine To Remove:
Thermostat assembly 2.4L

1. Drain the cooling system.
2. Remove the exhaust manifold heat shield.
3. Remove the coolant inlet housing mounting bolts through the exhaust manifold.
4. Raise and safely support the vehicle.
5. Remove the coolant inlet housing stud from the oil pan.
6. Remove wheel and tire assembly.
7. Remove the engine splash shield.
8. Remove the mounting bolts from the transaxle-to-engine block support. Remove the support.
9. Remove the coolant housing pipe.
10. Remove the thermostat.
11. Clean the mating surfaces.

To Install:

1. Install the thermostat.
2. Install the coolant housing pipe.
3. Install and secure the transaxle support-to-engine block mounting bolts.
4. Install the engine splash shield.
5. Install the wheel and tire assembly.
6. Install the coolant inlet housing stud to the oil pan.
   • Tighten to 19 ft lb (26 Nm).
7. Lower the vehicle.
8. Install the coolant inlet housing bolts through the exhaust manifold.
   • Tighten the coolant inlet housing bolts to 10 ft lb (14 Nm).
9. Install the exhaust manifold heat shield.
10. Fill the cooling system.
11. Inspect the system for leaks.

3.4L Engine To Remove:

1. Drain the cooling system.
2. Remove the air cleaner.
3. Remove exhaust crossover pipe.
4. Disconnect the surge tank line fitting from the coolant outlet.
5. Remove the thermostat housing to intake manifold bolts.
6. Remove the thermostat housing outlet and thermostat.

To Install:

1. Install the thermostat and housing outlet.
2. Install the thermostat housing bolts.
   • Tighten the thermostat housing bolts to 18 ft lb (25 Nm).
3. Install exhaust crossover pipe.
4. Connect the surge tank line fitting to the coolant outlet.
   • Tighten the fittings to 15 ft lb (21 Nm).
5. Install the air cleaner.
6. Fill the cooling system.
7. Inspect the system for leaks

Thermostat Removal & Installation 3.4L & 3.5L Engine To Remove:

1. Drain the coolant below the level of the thermostat.
2. Remove the air cleaner and duct assembly.
3. Remove the exhaust crossover pipe.
4. Disconnect the radiator hose from the thermostat housing.
   
   
5. Remove the mounting bolts and remove the thermostat housing.
6. Remove the housing gasket.
7. Remove the thermostat.
8. Clean the mating surfaces.

To Install:

1. Install the thermostat on the engine. NOTE: Apply RTV sealer to the thermostat housing bolt threads.
   
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. Install the exhaust crossover pipe.
5. Install the air cleaner and duct assembly.
6. Fill the cooling system.
7. Check the cooling system for leaks.

3.6L Engine To Remove:

1. Remove the air cleaner.
2. Remove the throttle body.
3. Remove the heater pipes.
4. Remove the coolant inlet pipe. Thermostat 3.6L
   
   
5. Remove the thermostat mounting bolts and remove the thermostat.
6. Clean the thermostat and heater pipe mating surfaces.

To Install:

1. Place the thermostat in the housing with a new gasket.
2. Install the thermostat and gasket on the engine with the mounting bolts. Tighten 89 in-lb (10 Nm).
3. Install the coolant inlet pipe.
4. Install the heater pipes.
5. Install the throttle body.
6. Install the air cleaner.
7. Fill the cooling system and perform a leak test.

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

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

To install:




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.
   
   
   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.