Question about 2000 Dodge Durango

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Timing chain and thermostat

Does the thermostat housing connect to the timing chain

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  • Dodge Master
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No it does not

Posted on Jul 23, 2013

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Want to know whats these codes mean [Engine rpn 704 rpm],[Map sensor 45 kpr], [cool ant temp 141f], [Dtc t caused rreezerrame p1281]. for a 2000 grand cherokee


Hi, the first part is data taken along with the code. The code P1281 indicates the engine is running cold (141 degrees--should be at least 190). Is your temp gage running lower than you are used to? If yes, it may be your thermostat has failed open. I have pasted below instructions for replacing the thermostat. Please let me know if you have any questions, and thanks for using FixYa.


3.7L & 4.7L Engines WARNING 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.

  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 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.


Removal & Installation, 4.0 liter engine

  1. Disconnect the negative battery cable.
  2. If necessary, disconnect the coolant temperature sensor electrical connector.
  3. Disconnect the upper radiator hose from the thermostat housing.
  4. Remove the attaching bolts and lift the housing from the engine.
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Remove the thermostat and gasket.
To install:
  1. Clean all gasket surfaces thoroughly.
  2. Place the thermostat in the housing with the spring inside the engine.
  3. Install a new gasket with a small amount of sealing compound applied to both sides.
  4. Install the water outlet and tighten the mounting bolts to 200 inch lbs. (23 Nm) on V-8 engines and 15 ft. lbs. (20 Nm) on non-8 cylinder engines.
  5. Install the upper radiator hose to the housing and tighten the hose clamp.
  6. Connect the coolant temperature sensor connector to the housing.
  7. Refill the cooling system.

Apr 13, 2011 | 2000 Jeep Grand Cherokee

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

1 Answer

How to change water pump on 1999 alero 2.4 liter twin cam


REPLACE WATER PUMP ON A 1999 OLDSMOBILE ALERO. FIRST YOU HAVE TO DRAIN COOLANT SYSTEM IN A LARGE DRAIN. RADIATOR DRAIN PLUG SHOULD BE ON THE BOTTOM ON PASSENGER SIDE. THEN RAISE THE VECHICLE SUPPORT VECHICLE WITH JACKSTANDS. REMOVE THE EXHAUST MANIFOLD FROM THE ENGINE. CAUTION DO NOT ROTATE THE FLEX COUPLING ON THE FRONT EXHAUST PIPE MORE THAN 4 DEGREE OR DAMAGE TO THE FLEX COUPLING MAY OCCUR. REMOVE THE THERMOSTAT AND THE COOLANT INLET PIPE FROM THE WATER PUMP HOUSING AND SEPARATE THE ASSEMBLY FROM THE ENGINE. LOWER THE VECHICLE REMOVE THE BRAKE BOOSTER VACUUM HOSE FROM THE CAMSHAFT HOUSING. REMOVE THE FRONT TIMING CHAIN COVER AND THE TIMING CHAIN TENSIONER FROM THE ENGINE. CAUTION THE TIMING CHAIN TENSIONER MUST BE REMOVED TO UNLOAD CHAIN TENSION BEFORE REMOVING THE WATER PUMP FROM THE HOUSING OTHERWISE THE WATER PUMP WILL BECOME JAMMED IN THE TIMING CHAIN HOUSING. REMOVE THE HEATER OUTLET PIPE FROM THE WATER PUMP COVER. REMOVE THE WATER PUMP COVER BOLTS FROM THE ENGINE BLOCK AND THE WATER PUMP. REMOVE WATER PUMP RETAINING NUTS AND SEPARATE THE WATER PUMP FROM THE TIMING CHAIN HOUSING. CLEAN THE SEALING SURFACES OF ALL GASKET MATERIAL ON THE WATER PUMP, WATER PUMP COVER AND THE TIMING CHAIN HOUSING. WIPE THE MATING SURFACES WITH A RAG SATURATED LACQUER THINNER OR ACETONE. YOU CAN BUY THESE CHEMICAL AT LOWES OR WALMART DEPARTMENT WHERE THEY SELL PAINTS. FIRST INSTALL THE WATER PUMP COVER AND GASKET TO THE WATER PUMP ON THE BENCH BUT LEAVE THE BOLTS FINGER TIGHT. APPLY A THIN LAYER OF RTV SEALANT TO BOTH SIDES OF THE NEW GASKET AND INSTALL THE GASKET ON THE WATER PUMP. WAIT FOR RTV SEALANT SET UP DRY FIRST. POSITION WATER PUMP AND WATER PUMP COVER ASSEMBLY INTO TIMING CHAIN HOUSING ENGAGING THE WATER PUMP SPROCKET IN THE TIMING CHAIN, AND INSTALL THE NUTS FINGER TIGHT. USE CAUTION TO ENSURE THAT THE GASKET DOESNT SLIP OUT OF POSITION. LEAVE THE NUTS LOOSE TO ALLOW REPOSITIONING WHEN THE BLOCK BOLTS ARE INSTALLED IN THE NEXT STEP. INSTALL THE WATER PUMP COVER TO ENGINE BLOCK BOLTS AND TIGHTEN THEM BY HAND. LUBRICATE THE O - RING ON THE HEATER OUTLET PIPE WITH COOLANT AND INSTALL IT INTO THE WATER PUMP COVER. HAND TIGHTEN THE BOLTS. NOW THAT THE ENTIRE WATER PUMP HOUSING ASSEMBLY IS INSTALLED AND IS FITTED AGAINST THE ENGINE BLOCK. TIGHTEN BOLTS CRISS CROSS SEQUENCE TO INSURE PROPER SEAL TORQUE WATER PUMP TO TIMING CHAIN HOUSING NUTS TO 19 FT LBS .NOW TORQUE WATER PUMP COVER TO WATER PUMP HOUSING BOLTS TO 124 INCH POUNDS. TORQUE WATER PUMP COVER TO ENGINE BLOCK BOLTS 19 FT LBS. TORQUE 124 INCH POUNDS THE RADIATOR OUTLET PIPE TO WATER PUMP HOUSING. INSTALL THE TIMING CHAIN TENSIONER AND COVER. INSTALL THE EXHAUST MANIFOLD. INSTALL THE EXHAUST PIPE TO THE EXHAUST MANIFOLD. WHEN ALL IS DONE. START POURING COOLANT IN THE RADIATOR OR COOLANT OVER FLOW JUG.CHECK FOR LEAKS. IF IS GOOD KEEP ADDING COOLANT TO RADIATOR OR OVER FLOW RESERVOIR UNTIL COOLANT LEVEL STOP DROPPING. NOW START ENGINE. WATCH THE COOLANT LEVEL WHEN START DROPPING ADD MORE COOLANT IN RADIATOR OR OVERFLOW JUG. WHEN COOLANT STOP DROPPING INSTALL RADIATOR CAP OR OVERFLOW JUG CAP. LET ENGINE IDLE UNTIL THERMOSTAT OPENS WATCH TEMPERATURE GAUGE WHEN TEMPERATURE GAUGE RISING TO OVERHEATING. TURN OFF ENGINE WAIT A WHILE TAKE A LARGE RAG SLOWLY OPEN RADIATOR CAP A LITTLE TO RELEASE PRESSURE. WHEN PRESSURE RELEASE REMOVE RADIATOR CAP ADD MORE COOLANT. START ENGINE LET IDLE WATCH TEMP GAUGE. TEMP GAUGE START RISING AGAIN TURN OFF ENGINE LET IT SET A WHILE ADD MORE COOLANT. TO RADIATOR. WHEN ENGINE TEMPERATURE GAUGE STOP RISING AND THERMOSTAT OPENS YOUR COOLANT SYSTEM AIR IS BLED OUT. JUST LET VECHICLE SET A LITTLE CHECK COOLANT LEVEL MAKE ITS CORRECT BEFORE START DRIVING VECHICLE. IF YOU TAKE VECHICLE FOR TEST SPIN TAKE LARGE RAG AND PLENTY COOLANT WITH YOU.IF ENGINE START OVERHEATING WHILE DRIVING PULL OFF ROAD SAFELY WAIT 20 TO 30 MINUTES. USE LARGE RAG SLOWLY OPEN CAP A LITTLE RELEASE PRESSURE. THEN REMOVE RADIATOR CAP ADD MORE COOLANT IF NEEDED. HOPE THIS HELP.

Dec 10, 2010 | 1999 Oldsmobile Alero

1 Answer

I need to know where the thermostat goes on 2002 jeep liberty 6cy?


just left of the crankshaft pulley

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  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.

Oct 04, 2010 | Jeep Liberty Cars & Trucks

1 Answer

Need location of thermostate


Removal & Installation 3.9L, 5.2L & 5.9L Engines To Remove:
  1. Before servicing the vehicle, refer to the precautions at the beginning of this section.
  2. Remove or disconnect the following:
    • Negative battery cable
    • Coolant until level is below thermostat dod_trk_altbracket.gif

    • Support bracket located near rear of alternator (A/C Vehicles) dod_trk_releasebelttension.gif

    • Alternator drive belt by attaching a wrench to the pulley mounting bolt of the automatic tensioner, rotating the tensioner clockwise to release belt tension, and removing the belt:
    • Alternator mounting bolts, but do not remove any wiring at alternator
    • 4WD indicator lamp wiring harness (4WD vehicles)
    • Alternator and position aside WARNING
      When servicing constant tension hose clamps, use only tools designed for servicing this type of clamp, such as special clamp tool (number 6094). Always wear safety glasses when servicing constant tension clamps. Always replace constant tension clamps with the same numbered clamp.
    • Radiator hose clamp and upper radiator hose at thermostat housing and position wiring harness aside to gain access to thermostat dod_trk_59l_thermostat.gif

    • Thermostat housing mounting bolts, thermostat housing, gasket and thermostat
To Install:
  1. Clean intake manifold and thermostat housing mating surfaces.
  2. Install or connect the following:
    • Thermostat (spring side down) into recessed machined groove on intake manifold
    • Gasket on intake manifold and over thermostat dod_trk_thermohousingposition.gif

    • Thermostat housing to intake manifold NOTE: The word FRONT is stamped on housing and must be placed towards front of vehicle.
    • Housing-to-intake manifold bolts.
      1. Torque to: 200 inch lbs. (23 Nm)
    • Upper radiator hose to thermostat housing dod_trk_drivebeltrouting.gif

    • Alternator (A/C Vehicles)
      1. Torque to: 30 ft. lbs. (41 Nm)
    • Support bracket
      1. Torque to: 40 ft. lbs. (54 Nm)
    • Drive belt over all pulleys except idler pulley
    • Socket/wrench to pulley mounting bolt of automatic tensioner and rotate clockwise
    • Belt over idler pulley, let tensioner rotate back into place and remove wrench
    • Coolant
    • Negative battery cable
  3. Start and warm the engine and check for leaks.
4.7L Engine To Remove:
  1. Before servicing the vehicle, refer to the precautions at the beginning of this section.
  2. Remove or disconnect the following:
    • Negative battery cable
    • Coolant
  3. Safely raise and support the vehicle.
  4. Remove or disconnect the following:
    • Splash shield
    • Lower radiator hose clamp and lower radiator hose at thermostat housing 4.7L engine shown 3.7L similar chry_47_thermostst.gif

    • Thermostat housing mounting bolts, thermostat housing and thermostat
To Install:
  1. Clean timing chain cover and thermostat housing mating surfaces.
  2. Install or connect the following:
    • Thermostat (spring side down) into recessed machined groove on timing chain cover
    • Thermostat housing on timing chain cover
    • Housing-to-timing chain cover bolts.
      1. Torque to: 112 inch lbs. (13 Nm)
    • Lower radiator hose on thermostat housing
    • Splash shield
  3. Lower vehicle.
  4. Fill cooling system.
  5. Connect negative battery cable to battery.
  6. Start the engine and check for leaks.
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Aug 26, 2010 | 2001 Dodge Durango

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

CHANGE THERSTAT ON 2002 JEEP LIBERTY


3.7L Engine - Thermostat
  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 .

    a105ca1.jpg
    Fig. The location of the thermostat and its housing on the 3.7L engine (click for zoom)
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 this).

Aug 04, 2010 | Jeep Liberty Cars & Trucks

2 Answers

Leaking coolant from a small hole located in the block right under the thermostat housing coolant inlet. we removed housing and gasket replaced gasket and installed, leaks from small hole?


water pump failure, water pump on these run off the timing chain and the timing chain runs in oil, so they could not just put a weep hole on the pump because it would go strait to the oil pan, instead they redirected the coolant from the leaking pump to just below the thermostat housing. And good luck, it's at least a 6 hour job on these. Brandon-MO

Jan 17, 2010 | 2004 Dodge Intrepid

1 Answer

Where is the engine water thermostaton my Grand Cherokee 2.7 CRD


  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 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).

Dec 06, 2009 | 2001 Jeep Grand Cherokee

2 Answers

Water Pump


first you have to take off the exhaust manifold. then take off the top motor mount and lift plate on the passenger side on top. then take off the 25 little bolts and nuts off the timing chain cover. with the cover off, take out the bolts on the timing chain tensioner (towards botton, by the crank, looks like a little rod in a aluminum housing). now take off the curved tensioner shoe and the chain will loosen. take the chain off. now the fun part is getting the bolts off the back of the water pump to the block. then the bolts connecting the water pump to the steel housing. and finally the three nuts connecting the pump to the chain housing. not hard just frustrating. replace the pump and new gaskets (comes with pump) and bolt back everthing back together. you may want to change your thermostat while your there since its right by the pump. now putting the timing chain back on and having it in time isnt the hardest thing but if your a first timer take your time. go to a mechanic and ask to print out intalation insructions on timing chain installation. then bolt it all back together.

Dec 23, 2008 | 1998 Pontiac Grand Am

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