Question about 2001 Ford Focus

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I plan to replace the Thermostat housing when replacing the thermostat and upper radiator hose. Questions: - Should sealant be used between the thermostat housing o-ring and the engine sealing surface? If so please advise type and brand name. - Initially I planned to flust the cooling system but reading about air-lock problems decided not to do this myself. Knowing there will be some collant loss when replacing the upper radiator hose and thermostat, I plan to attach the new hose to the replaced thermostat housing and then add coolant into the hose before attaching to the radiator to replace the lost coolant. Thank you very much. Please advise, dj

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  • Ford Master
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No sealant should be needed.clean both surfaces well.be sure 'o' ring stays in place & thermostat is installed correctly.you'll probably only fill the hose as the thermostat will be closed,but that won't hurt.keep proper level in over flow tank,it will bleed air out itself in a day or 2

Posted on Sep 23, 2009

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Thermostat replacement 1996 Lincoln town car


Instructions
    • 1 Place a large drain pan beneath the radiator drain on the passenger side of the Town Car. Open the hood and remove the radiator cap.
    • 2 Loosen the radiator drain plug using a wrench. Wait until the coolant is below the level of the upper radiator hose.
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    • 3 Trace the upper radiator hose to the thermostat housing. Loosen the hose clamp on the housing with a flat-blade screwdriver. Slide the clamp back and remove the hose from the housing. Use a wrench to remove the two mounting bolts from the thermostat housing.
    • 4 Slide the housing off of the intake manifold. Clean any remaining gasket pieces from the thermostat housing with a flat scraper and clean rag. Remove the old thermostat from the housing.
    • 5 Insert the new thermostat into the housing. Position the new gasket on the outer edge of the housing and position it over the mounting area on the intake manifold. Replace the two mounting bolts and tighten them using a wrench.
    • 6 Replace the upper radiator hose on the thermostat housing and tighten the hose clamp. Top off the radiator with a blend of equal parts antifreeze and distilled water. Replace the radiator cap.


Read more : http://www.ehow.com/how_6319041_change-1996-lincoln-town-car.html

Mar 03, 2015 | 1997 Lincoln Town Car

1 Answer

Ok i got the first answer to where the water pump was located now please tell me where in the heck is the termastat located and it's difficulty in replacing it...thank troy


Follow the upper radiator hose to the thermostat housing and follow the instructions below.

3.4L Engine
  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.
    jturcotte_2048.gif

    Fig. Remove the housing bolts

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

To install:
jturcotte_2049.gif


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.

Aug 09, 2011 | 2003 Buick Rendezvous

1 Answer

Replacing a thermostat on 2004 nissan sentra


  • Prepare for the replacement by disconnecting the negative battery cable and draining the engine coolant into a container--you need to remove the drain plug from the radiator first and then the drain plug at the engine block.


  • Remove the engine's cooling fan by loosening the fan/water pump pulley nuts, unclipping and removing the fan shroud's lower half, removing the water pump pulley nuts and pulling the fan out from underneath.

    Disconnect all components blocking access to the thermostat by removing their bolts. On four-cylinder engines, this includes the air cleaner, air intake duct and the power steering pump's support bracket. On a 3.3 liter V6 or SOHC engine, remove the upper radiator hose from the intake manifold's coolant outlet.

  • Slip off the drive belts blocking the thermostat by turning their tensioner bolts with a wrench or breaker bar. On a 3.3 liter truck or DOHC engine, follow this by removing the upper idler pulley bracket. On a 3.5 liter engine, remove the water pump drain plug from the front end of the block.

  • Detach all hoses from the thermostat housing cover by loosening the hose clamps with pliers; this usually includes the lower radiator hose. This is only needed on V6 engines; you will keep the hose attached on a four-cylinder.

  • Remove the thermostat housing cover by removing its bolts. There will be some coolant spilling out when the gasket seal breaks.


  • Disconnect and remove the thermostat from its cover by removing its screws. Take note of how the thermostat is positioned within the cover.

  • Scrape away all traces of gasket or sealant from the housing and cover and clean the surfaces with lacquer thinner.

  • Apply RTV sealant around the edge of the thermostat cover. You need to re-install the cover within five minutes of applying this sealant.

  • Mount the new thermostat into the cover in the same position the old thermostat was in.

  • Re-install the thermostat cover and all other parts in reverse order of installation.

  • Wait a half hour for the RTV sealant to cure before refilling the engine coolant. Use fresh coolant if the old coolant is contaminated.

  • Mar 20, 2011 | Nissan Sentra Cars & Trucks

    1 Answer

    How to put a thermostat in a 89 mustang


    The thermostat is under the housing where the upper radiator hose connects to the engine.

    Remove some coolant from radiator so the level is lower than the thermostat. Remove the upper radiator hose. Remove the 2 bolts holding down the housing. Take note of how the thermostat is in the housing so you can put it back the same way. You didn't say which engine you have and it's different for some of the engines. Clean area and use new gasket with RTV sealant on both sides of the gasket. If there is a rubber o-ring replace with a new one. Put in new thermostat and reassemble. Refill coolant and done.

    Feb 12, 2011 | 1989 Ford Mustang

    1 Answer

    Message reads check coolant level, engine is hot, stop engine, car overheats and dumps radiator fluids. i think its the thermostat how do i replace it?


    The thermostat should be located in a housing at the end of the upper radiator hose with two maybe three bolts. loosen the clamp if you have a tool to do this with, sometimes they're not screwdriver type clamps, may need to buy a tool for this job. once the upper hose is removed then you can loosen the housing and remove the thermostat. remove the old seal and replace it as well. the seal may be a gasket, if it is then scrape the surface clean. if you use sealant make sure you use it to glus the themostat and gasket to the thermostat housing ,not getting any sealant in the waterjacket, for it will circulate thru the system and stop up the block or even you're new thermostat. bolt the housing down equally on the bolts, don't warp the housing, replace the upper haoes, ( use a little grease around the inside of the hose to help seal and go on easier, tighten the clamp, replace coolant with the correct amount of 50/50 solution for your type car, you're finished, Good Job!!!

    Oct 19, 2010 | 1994 Cadillac DeVille

    3 Answers

    How to replace the thermostat on a 1989 GMC Sierra


    Drain the coolant (left lower side of the radiator) Follow the upper radiator hose to the engine, at the end of the hose is a metal housing, held down with 2 bolts, or 1 bolt and 1 stud. There may be wires going to one of the bolts, be sure these go back on. After taking the 2 bolts out, lift up the housing and the thermostat will be right there. Clean the old gasket from the manifold and the water outlet housing. Now install the thermostat, then the gasket. and torque down the bolts evenly. about 25-30 ft pounds. fill the radiator until about 2 inches below the filler neck, and start the engine, now keep putting coolant in to keep it 2 inches below the radiator neck, and let it warm up until you see coolant moving in the radiator, now fill it to the top and fill the coolant bottle to the cold mark. Its a good time to replace the radiator cap also. Good Luck.

    Jan 28, 2010 | 1989 GMC Sierra

    3 Answers

    I was wondering where the thermostat was located


    Follow the top radiator hose to the engine block. You will see a housing similar to the picture below. The thermostat is mounted under this housing.

    832c9f9.jpg

    Sep 20, 2009 | 1992 Buick Regal

    1 Answer

    Is it a major undertaking to replace a thermostat?


    no not major !! Locate the upper radiator hose and follow it to the engine the thermostat is located at the connection to the engine in the metal housing that the hose is hooked to, Just remove the two bolts that hold the housing on and remove the old thermostat scrap off the old gasket and replace the thermostat and gasket also use silicone sealant on the new gasket and now re-install the housing on the engine!! Check coolant level and refill if needed ! Check for leaks if none then you are good to go!! swampratt200 AAAEEE!!!!

    Jul 21, 2009 | 2003 Nissan Xterra

    1 Answer

    Replace thermostat in 2000 ford ranger


    the open pipe that you took the hose off of is the thermostat housing, you will need to remove this to reveal the thermostat, make sure you use a new gasket with sealant when reinstalling thermostat housing to prevent leaks and dont over tighten the bolts,run both bolts down as far as you can before final tightning

    Dec 26, 2008 | 2000 Ford Ranger SuperCab

    1 Answer

    Over heating


    I actually own an Intrepid and planning to put a new engine in this summer, what size do you have?

    Anyway to replace it
    1. Disconnect the negative battery cable
    2. Drain the cooling system, save the fluid and reuse it as it shouldn't be bad
    3. Follow the lower radiator hose to the engine to locate the thermostat housing
    4. Using a radiator hose clamp pliers, remove the hose clamp, then detach the hoses from the thermostat housing. If they are stuck, grasp them near the end with a pair of adjustable pliers and twist it to break the seal, then pull off. If the hose is old or worn, then cut off and replace
    5. Also replace the hose fittings if they look bad.
    6. Remove the fasteners and detach the housing which has two pipes coming off of it and two bolts holding it on.
    7. Look at how the thermostat is in the housing so you don't put it in backwards and replace with the new one.
    8. Remove all of the old gasket and sealant from the housing and cover with a gasket scraper.
    9. Install the thermostat and the gasket with the air bleed hole facing up
    10. Install the housing and fasteners to the engine block and tighten the fasteners.
    11. Reattach the hoses and replace the hose clamps
    12. Refill the cooling system and start the engine and allow it to reach normal operating temperature and check for leaks and proper thermostat operation.

    If you have any further questions, let me know

    Jun 03, 2008 | 2000 Dodge Intrepid

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