Question about 2001 Dodge Dakota

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Thermostat housing bolts wont tighten up - 2001 Dodge Dakota

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  • Dodge Master
  • 5,280 Answers

Pull the housing off and check if the threads are stripped where the bolts screw in. On aluminum, threads can get easily stripped from over tightening. A shop can use tap and die tools to rethread the holes. It shouldn't cost too much.

Posted on Oct 21, 2013

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  • Expert
  • 56 Answers

It sounds like your threads are stripped, this can happen pretty easily with a steel bolt going into an aluminum housing. There is a product you can buy at the parts store called a Heli-coil insert, you can try this and see if it repairs the threads for you. If it were me, I would go up one size in bolt and cut new threads into the block with a thread tap, its a more permanent and secure solution.

Posted on Oct 21, 2013

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Posted on Jan 02, 2017

  • 140 Answers

SOURCE: Broken bolt housing for thermostat gooseneck cover on intake mani

Hello, The only thing you can do is weld the broken area and the drill and tap the hole.
Go to http://www.durafix.com/ and they have a solution for you. Good luck and let me know how you make out.

Posted on Jan 21, 2009

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1 Answer

How to pull a thermostat and where is locateed


Assuming you have the 2.7 liter engine, the thermostat is where the lower radiator hose returns to the engine.

2.7L Engine

  1. Disconnect negative cable.
    CAUTIONDo 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.
    NOTEInstall 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.

Mar 18, 2012 | 2001 Dodge Intrepid

1 Answer

How to change the thermostat house in a Dodge 2004 intrepid


Check this procedure for...
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 (remember to rate and comment thius answer).

Apr 28, 2011 | 2004 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

1 Answer

How to change the thermostat


This is for the 2.7L:

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.
This is for the 3.2L and the 3.5L:

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.

Nov 01, 2010 | 2002 Dodge Intrepid

1 Answer

Location of thermostat on 2002 olds alero 2.2


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: chevy_cav_02-04_tstat.gif

    • Thermostat housing to water pump feed pipe bolts. chevy_cav_02-04_feedpipe.gif

    • 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 87953024.gif

  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
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Oct 14, 2010 | Oldsmobile Alero Cars & Trucks

2 Answers

Where is the thermostat on a 2.2l ohc engine?


Removal & Installation 2.2L VIN 4 To Remove:
  1. Drain the cooling system.
  2. Remove the lower radiator hose from thermostat housing.
  3. Remove the thermostat housing bolts and outlet.
  4. Remove the thermostat.
  5. Clean the mating surfaces.
To Install:
  1. Install the thermostat.
  2. Install the thermostat housing and bolts.
  3. Install the coolant housing bolts. Tighten bolts to 14 Nm (10 ft. lbs.).
  4. Install the lower radiator hose to thermostat housing.
  5. Fill the cooling system.
  6. Inspect for leaks.
2.2L VIN F To Remove:
  1. Remove the exhaust manifold. If equipped with an automatic transmission.
  2. Drain the cooling system.
  3. Remove or disconnect the following: chevy_cav_02-04_tstat.gif

    • Thermostat housing to water pump feed pipe bolts. chevy_cav_02-04_feedpipe.gif

    • 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. Tighten bolt to 10 Nm (18 in. lbs.).
    • Exhaust manifold. If equipped with an automatic transmission.
  2. Fill the cooling system.
2.4L VIN T To Remove:
  1. Drain the cooling system.
  2. Remove the exhaust manifold heat shield bolts and shield. cavman.gif

    cavtstat.gif

  3. Remove the coolant inlet housing bolts.
  4. Lift vehicle.
  5. Remove the coolant inlet housing stud from the oil pan.
  6. Remove the wheel.
  7. Remove the right engine splash shield.
  8. Remove the transaxle-to-engine block brace bolts and brace.
  9. Remove the radiator outlet pipe.
  10. Remove the thermostat.
  11. Clean the mating surfaces.
To Install:
  1. Clean the mating surfaces.
  2. Install the thermostat.
  3. Install the radiator outlet pipe.
  4. Install the transaxle-to-engine block brace and install bolts.
  5. Install the right engine splash shield.
  6. Install the wheel.
  7. Lower the vehicle.
  8. Install the exhaust manifold heat shield and bolt.
  9. Tighten the exhaust manifold heat shield bolts to 14 Nm (10 ft. lbs.).
  10. Fill the cooling system.
  11. Inspect the system for leaks.
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Sep 09, 2010 | 2003 Pontiac Sunfire

1 Answer

How to change the thermostat


Alero, Grand Am 1999-2005 Thermostat - Removal & Installation 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.

    d1db35e.jpg
    Fig. Thermostat mounting-2.2L engine
  5. Remove the thermostat.

To install:
  1. Install the thermostat.
  2. Install the thermostat housing to water pump feed pipe.
  3. Install the thermostat housing to water pump feed pipe bolt. Tighten the thermostat housing to water pump feed pipe bolt to 89 inch lbs. (10 Nm).
  4. If equipped with an automatic transaxle, install the exhaust manifold, as outlined in this section.
  5. Fill the cooling system.

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.

To install:
  1. Clean all gasket surfaces completely.
  2. Insert the thermostat in the intake manifold.
  3. Attach the thermostat housing to the intake manifold.
  4. Install the mounting bolt and nut. Tighten to 18 ft. lbs. (25 Nm).
  5. Install the air cleaner assembly.
  6. Connect the surge tank line to thermostat housing.
  7. Refill the cooling system.
  8. Connect the negative battery cable, remove the radiator cap, then start the engine. Allow the engine to run with radiator cap removed, until the upper radiator hose becomes hot (thermostat open). With the engine idling, add coolant to the radiator until the level is up to the bottom of the filler neck.
  9. Install the radiator cap, making sure the arrows line up with the overflow tube.

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.

To install:
  1. Install the thermostat and housing outlet.
  2. Install the thermostat housing bolts. Tighten the thermostat housing bolts to 18 ft. lbs. (25 Nm).
  3. Install exhaust crossover pipe.
  4. Connect the surge tank line fitting to the coolant outlet. Tighten the fittings to 15 ft. lbs. (21 Nm).
  5. Install the air cleaner.
  6. Fill the cooling system.
  7. Inspect the system for leaks.
Hope this help (remember comment and rated this).

Apr 04, 2010 | 1999 Oldsmobile Alero

1 Answer

Remove 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 this help (remember comment and rated this).

Apr 04, 2010 | 2000 Chrysler Concorde

1 Answer

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.

Feb 02, 2010 | 2001 Chrysler 300M

1 Answer

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.

May 12, 2009 | 1999 Chrysler 300M

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Colin Stickland

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