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Engine thermostat picture need to install new one need schematic please

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How do you change a thermostat on a 1997 Caddilac deville w/ Northstar engine? Also, Where is it??? Please help!


Check this diagram location...

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Fig. Thermostat installation - 4.6L Engine

4.6L Engine

  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.
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.
Hope this helps.

Sep 02, 2011 | 1997 Cadillac DeVille

1 Answer

Changeing thermostat how do i do it? geting the old one out.


Hello brian24bruce: My name is Roger and I will help you. Follow the upper radiator hose from the radiator back to the engine. The housing that the hose connects to is the thermostat housing. The housing should be held on by two bolts. Remove the bolts to gain access to the thermostat. Be sure to install the new one the correct way. The end with the coil spring goes to the inside of the intake manifold. I attached a picture to help. Should you need further help please just ask. Please rate the answer. THank You for using Fix Ya. Rogerrogerf1_37.jpg

Apr 19, 2011 | 2005 Chevrolet Equinox

2 Answers

Looking for a picture of the diagram of where the thermostat is located on my 1998 2.7 liter dodge intrepid PLEASE!!!!!


Hi, I don't have a picture, but trace the big hose from the bottom of the radiator to the engine, and it will be under the housing where the hose connects.


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.

Mar 26, 2011 | 1999 Dodge Intrepid

2 Answers

The temperature gauge on my 1999 Mystique always reads cold, the air blows in but only a little warm. some one told me to check the sender, but i have no idea what that is or how to check it. can any one...


Hi, this sounds more like a thermostat issue, since the gage and the heater seem to correlate.
I recommend you replace the thermostat to see if that will solve your problem. If you want to replace the sender, I have pasted a picture below on where to find it. Please let me know if you have questions, and thanks for using Fixya.

Remove hoses from housing, remove 3 bolts, remove thermostat. Note how o-ring is attached/installed. Install new thermostat and o-ring. Make sure spring end of thermostat goes into the engine. Tighten bolts to 80 in-lbs, reattach hoses, refill coolant and purge any air from the system.

2.0 liter engine, thermostat.
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2.5 liter engine, thermostat:

jturcotte_836.gif

Temp sensor; remove connector, use socket to remove sensor. Use teflon tape of water pump seelant on threads of new sensor. Thread the sensor into position and tighten to 10-14 ft lbs. (14-19 Nm) on the 2.5L engine and 89-120 inch lbs. (10-14 Nm) on the 2.0L engine.


jturcotte_837.gif


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jturcotte_147.jpg

Jan 16, 2011 | 1999 Mercury Mystique

1 Answer

I need to know where the thermostat is located for the Audi A8 V8 4.2 Quattro Automatic 2006


The thermostat is located in front of the engine, between V cylinder banks, for Audi A8 V8 4.2 Quattro Automatic. See pictures below:

tdisline_127.jpg


tdisline_128.jpg
Remove the thermostat housing (2 bolts) and the old thermostat. Note the orientation of the old thermostat (vent valve facing UP). Clean both thermostat housing and block surfaces and remove all traces of old gasket material. Install the new thermostat vent valve facing UP.

Please do rate my response. Thanks!

Dec 26, 2010 | 2000 Audi TT

1 Answer

How do i change my thermostat..i need a diagram and pictures if available


Please see my tip at http://www.fixya.com/cars/r5929960-s_thermostat . These are generic instructions. If you get stuck or need , please get back to me with any questions.

specific instructions and picture below.

Drain the radiator until the coolant is below the thermostat level (below the level of the intake manifold).

  1. Remove the water outlet elbow assembly from the engine. Remove the thermostat from the engine, or, on the 4.8L, from inside the adapter elbow.

To install:
  1. Clean the gasket surfaces on the water outlet elbow and the intake manifold. Use a new gasket when installing the elbow to the manifold.
  2. Install the new thermostat making sure the spring side is inserted into the engine, or, on the 4.8L, downward into the thermostat housing. Tighten the thermostat housing bolts to 20 ft. lbs. (28 Nm). On the 4.3L, 5.0L, 5.7L tighten the studs to 21 ft. lbs. (28 Nm). On the 7.4L tighten the bolts to 27 ft. lbs. (37 Nm).
  3. Refill the cooling system. Start the engine and check for leaks.

jturcotte_620.gif


jturcotte_621.gif

Dec 25, 2010 | 1997 Chevrolet Blazer

2 Answers

Need help on changing thermostat on 2001 kia optima


AutoZone.com lists the following procedure for several engines. If your engine is different, try going back to autozone.com with exact engine spec.


Removal & Installation

1.5L, 1.6L, 1.8L & 2.0L Engines
  1. Drain the coolant to a level below the thermostat.
  2. Remove the water inlet fitting, gasket and thermostat.
  3. Clean the gasket mating surfaces.

    0996b43f802066a5.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Exploded view of the thermostat-1.5L engine shown, 1.8L similar


    0996b43f802066a4.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Exploded view of the thermostat-1.6L engine


    0996b43f8020669f.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Water inlet fitting (A) and thermostat-2.0L engine

To install:
  1. Place the thermostat in the housing with the jiggle valve facing upward. Install a new thermostat gasket.

    0996b43f802066a0.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Use a new gasket (A) when installing the thermostat (B)-2.0L engine shown
  2. Install the water inlet fitting and tighten to 14-19 ft. lbs. (19-26 Nm) for 1.5L, 1.6L and 1.8L engines, or to 11-15 ft. lbs. (15-20 Nm) for 2.0L engines.
  3. Fill the engine with coolant, then start the engine and check for leaks.

2.4L & 2.7L Engines
  1. Drain the coolant to a level below the thermostat.
  2. Remove the engine coolant outlet fitting and gasket.
  3. Remove the thermostat.
  4. Clean the gasket mating surfaces.

    0996b43f802066a3.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Thermostat mounting-2.4L engine

To install:
  1. Install the thermostat. Make sure that the flange of the thermostat is correctly seated in the socket of the thermostat housing. If the thermostat is installed in the wrong direction, the bottom of the thermostat will touch the rib inside the intake manifold, making it impossible to seat flange in position
  2. Install a new gasket and the engine coolant outlet fitting. Tighten the fitting bolt to 7-11 ft. lbs. (10-15 Nm) for 2.4L engines or to 12-14 ft. lbs. (17-20 Nm) for 2.7L engines.
  3. Fill the engine with coolant, then start the engine and check for leaks.

Aug 25, 2010 | Kia Optima Cars & Trucks

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.

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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.

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Thermostat installation—4.6L Engine


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Loosen the upper radiator hose clamp at the thermostat housing


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Remove the upper radiator hose clamp from the thermostat housing


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Remove the thermostat housing retaining bolts and . . .





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. . . remove the thermostat housing from the engine


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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

Need thermostat schematic loacation


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Fig. 7: Thermostat and housing mounting - 1994 2.0L (VIN 1) engine shown


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Fig. 9: After removing the coolant outlet, you can remove the thermostat - 1994 2.2L engine shown

Hope this help (remember comment and rated this).

Apr 19, 2010 | 1994 Chevrolet Cavalier

1 Answer

How do I change the thermostat on a 6 cylinder nissan frontier truck


Hello Wayne...the thermostat on your truck is located on the engine under the thermostat houseing. It is positioned in a fairly tight place. It can be replace with regular hand tools, ratchet extension, swivel socket and wrench. Follow the radiator hose to the thermostat houseing to locate. I suggest you replace it with a Nissan thermostat, they seem to last longer than an aftermarket, and come with a new houseing. Enclosed is a picture of the houseing you will be removing.
Make CERTAIN you install the new thermostat in the correct position...if installed backwards it will NEVER open and your engine will overheat in minutes possibly causeing severe damage.
Good luck..i hope this helps, please take time to rate me a fixya.
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Jul 15, 2009 | 2002 Nissan Frontier Crew Cab

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