Question about 2000 Suzuki Grand Vitara

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Is it ok to drive without the thermostat valve in place? The old one got stuck in closed position and I removed it while I get the replacement.

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You will be fine for a few days not if you live were it gets cold then you wont have any heat

Posted on Nov 04, 2010

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The thermostat is used to get the engine to operating temp as quick as possible(by shutting off coolant flow to the radiator) and then keep it there(by opening and closing) to aid optimum fuel consumption and emissions.
The vehicle will therefore take longer to heat up and the temperature guage will not remain constant(as engine temp will now fluctuate) but the vehicle is safe to drive this way. Take care not to gun the motor until it has reached operating temperature as this unnecessarily increases wear.

Posted on Nov 04, 2010

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DIRECTION FOR THERMOSTAT REPLACEMENT FOR A 1998 MONTANA


The exact location of the thermostat varies depending on the particular engine model on your Pontiac Montana. Although 2.0L turbo and non-turbo engines locate the thermostat on the upper section of the engine, other models may follow the lower radiator hose to a lower position on the engine, requiring the removal of one or more components for replacement. see below

  • Park your car in a safe place and open the hood.
  • 2Locate the thermostat housing by following the upper or lower radiator hose from the radiator towards the engine. The end of the hose should be connected to an aluminum or metal housing attached to the engine by two mounting bolts.
  • 3Remove the air cleaner duct assembly and the crossover exhaust pipe, if necessary, using a wrench and ratchet and socket.
  • 4Place a drain pan underneath the radiator drain valve. Open the valve and drain some of the coolant to empty the radiator hose; then close the valve.
  • 5Remove the radiator hose from the thermostat housing by disconnecting the clamp using a pair of rib joint pliers, Phillips screwdriver or ratchet and socket, depending on type of clamp used on your particular model; then remove the hose.
  • 6Remove the two thermostat housing bolts and lift the housing off the engine. Before removing the thermostat off the engine, pay careful attention to the position of the relief valve on the thermostat in relation to the mounting base on the engine, looking for any special marks. The new thermostat has to be mounted in this same exact position. Also, note that the thermostat spring has to point towards the engine once it is seated on the engine; then remove the thermostat and any gasket material if necessary.
Installation
  • 1Clean the thermostat housing and engine mounting surfaces from gasket material, if necessary, using a plastic scraper; also, clean the bolt threads of the thermostat housing bolts of sealer, if necessary, using a wire brush.
  • 2Apply a light coat of Room Temperature Vulcanizing (RTV) sealer to the new paper gasket if your particular model requires one; or install a new O-ring to the center of the thermostat; also, apply a light coat of RTV sealer to the threads of the thermostat housing mounting bolts.
  • 3Install the new thermostat on the engine mounting base in the same exact position as the old one; install the paper gasket if required and set the thermostat housing in place. Start the housing mounting bolts by hand and then tighten the bolts.
  • 4Connect the radiator hose to the thermostat housing; then install the crossover exhaust pipe and air cleaner and duct assembly, if necessary. Fill the radiator with new coolant, start the engine and let it reach operating temperature. Check for leaks and add more coolant to the reservoir to bring the level between the Add and Full Hot marks and turn off the engine.
  • 5Bleed the cooling system if the thermostat housing is provided with a valve screw on it. Once the engine reaches operating temperature, loosen the valve screw until coolant begins to leak through the screw; then tighten the screw again


Read more: How to Change a Pontiac Montana Thermostat ' eHow.com http://www.ehow.com/how_4900141_change-pontiac-montana-thermostat.html#ixzz1eRUgRlYC

Nov 22, 2011 | 1999 Pontiac Montana

Tip

How to change a thermostat in a 1998 corolla


If the Engine runs hot or overheats: Check the coolant level in the radiator when the engine is cold. Check the radiator hoses and drain **** for leaks. Check the radiator, radiator cap, coolant reservoir, heater hoses and all hose connections for leaks. The radiator should also be inspected to ensure it’s free and clear of leaves, debris, etc. Remove the radiator cap when the engine is cold; run the engine for 5-10 minutes with the radiator cap removed to release air bubbles from the cooling system (this procedure may need to be repeated). With the engine off and the coolant still warm, touch the upper and lower radiator hoses. They should both be warm. If one is cold, the thermostat could be stuck in the closed position, or, the thermostat may have been installed backwards. If the problem persists, visit yourToyota Dealer Service Department for diagnosis and repair. DO NOT DRIVE THE VEHICLE if the engine overheats.
To repair: 1. Remove the cover on the right side of the under-engine. Drain the engine coolantinto a sealable container.
2. Take out the fan and the V-belt on the generator, then remove the generator assembly. Remove the two nuts that hold the water inlet in place and then pull the water inlet.
3. Lift out the thermostat and remove the gasket. Clean the gasket mating surfaces thoroughly of dirt and old gasket material.
4. Put a new gasket on the thermostat, then install the thermostat so that the jiggle valve is on top. Make sure the thermostat is set within 10 degrees to either side of the prescribed position.
5. Connect the water inlet and set the two nuts in place. Tighten the nuts to 8 foot pounds.
6. Set the generator assembly in place. Refill the engine with coolant. Start the engine and check for leaks. Replace the right side cover under the engine. Your done!!!!! good luck and email me for questions - Bray2thaden@yahoo.com

on Mar 12, 2010 | Toyota Corolla Cars & Trucks

1 Answer

Honda city 1.3 ,temperature increase


First, check radiator fan, is it running?
If radiator fan is running, check your thermostat valve, might be stuck at close position
If thermostat valve OK, replace your radiator

Jun 28, 2011 | 2003 Honda Civic

1 Answer

How do I remove the valve cover in order to service lifters?


This si the solution for a gasket replacement, and you will need it when you remove the old ones.
  • Right Side
    • 1

      Disconnect the negative battery cable. Remove the accessory drive belt. Using a 9/16mm wrench, loosen the power steering pump bolts, then slide the pump forward. Do not remove the power steering pump. Remove the power steering pump braces.

    • 2

      Disconnect the spark plug wires. Using a 9/16 mm wrench, remove the valve cover bolts. Lift the valve cover to remove it. Using a flathead screwdriver, gently nudge and remove the old valve cover gasket.

    • 3

      Clean the gasket seating area using automotive engine cleaner and a clean cloth rag. Make sure that all debris is removed. Place the new gasket into place. Apply gasket sealant and place the valve cover back into place.

    • 4

      Tighten the bolts securing the cover into place using a torque wrench. Reconnect the spark plug wires. Reinstall the power steering pump braces. Place the power steering pump back into position. Using a 9/16 mm wrench tighten the bolts that secured it into place. Reinstall the accessory drive belt.

    Left Side
    • 1

      Ensure that the negative battery cable is disconnected. Locate and remove the accessory drive belt. Using a 9/16 mm wrench, disconnect the bolt attaching the alternator to the brace.

    • 2

      Remove the brace to gain access to the additional parts that will be removed. Disconnect and remove the spark plug wire harness. Using a 9/16 mm wrench, remove the bolts securing the valve cover. Lift up and remove the valve cover.

    • 3

      Use a flathead screwdriver to gently nudge the old valve cover gasket to remove it. Do not scratch the gasket seating area when removing the valve cover gasket. Make sure that all debris and particles are removed from the gasket seating area.

    • 4

      Place the new gasket in the gasket seating area. Using a torque wrench tighten the valve cover gasket bolts. Reinstall the spark plug wire harness. Put the alternator brace back into position and tighten the bolt that secures it into place.

    • 5

      Reinstall the accessory drive belt. Reconnect the negative battery cable. Add oil to the car and start the engine. Allow the engine to run idle for 10 to 15 minutes. Drive the car a short distance to check for leaks.

  • Mar 16, 2011 | 1999 Oldsmobile Silhouette

    2 Answers

    A diagram of how to install a thermostat in a 1999 pontiac grand prix


    I don't have a diagram but just text instructions which follow:

    Test/Replace

    CAUTION
    If the radiator is filled to the top with coolant and the engine is run without the radiator cap in place, the coolant will expand and spill over as the engine warms up.

    • Drain some coolant into a clean container until the coolant level is below the thermostat housing.
    • Remove the upper radiator hose connection from the thermostat housing.
    • Loosen the housing bolts and remove the housing.
    • Remove the gasket and scrape it carefully from the surface of the housing and the mounting surface on the engine. If the gasket remains on either of the surfaces, there will probably bea coolant leak after reassembly. Some engines use a rubber O-ring to seal a thermostat housing.
    • Compare the size of the thermostat to the old one. They are of different sizes, types, and temperature ratings.
    • The temperature rating is stamped on the sensing bulb on the bottom of the thermostat. The temperature bulb faces the block.
    • When replacing a thermostat, be sure that the thermostat fits into the groove in the block or outlet housing. If the thermostat is installed upside down, the engine will overheat.
    • Install the gasket.
    • Reinstall the thermostat housing. Refill the system and run the engine or pressure test to check for leaks.
    • When the engine has reached operating temperature make sure the thermostat opens.
    • You should be able to see coolant circulating within the radiator.
    • Another way of checking thermostat operation is to feel the top of the radiator hose or use a thermometer or multimeter with a temperature probe to confirm that the coolant is warming up.
    • If the engine is overheating, but the top hose is still cool to the touch, the thermostat is stuck closed and must be replaced.
    NOTE When a paper gasket is used and the recess is in the thermostat housing, it is a good practice to position the thermostat into the recess and glue the gasket to hold it in place. If it falls out of its groove during installation, the outlet housing can be cracked or a coolant leak will result. Before tightening the water outlet housing, try to rock it back and forth to be sure it is flush. Housings are often cracked during this step.

    Oct 28, 2010 | Pontiac Grand Prix Cars & Trucks

    1 Answer

    Lots of air no heat. Coolant was lower have added that. still no heat. any ideas on how to repair... is this expensive. 2006 Honda CRV I have less than 25000 miles on it.


    Have you checked the thermostat? If the thermostat has gone bad you may get one of two possible extremes. If it is stuck in the closed position, your vehicle will overheat. If it is stuck open, you will have no heat. SAFETY: DO NOT DO ANY OF THIS WHILE THE ENGINE IS HOT!

    Fortunately, this is an easy and relatively inexpensive fix if you do it yourself.

    To find the thermostat housing, follow the radiator hoses back to where they enter the engine block. You should see a hemispherical housing held on with two bolts. That is the thermostat housing. On your CR-V, it should be on the downward pointing hose. When you remove the housing, you will lose coolant, so position a catch basin to receive the coolant that comes out. Remove the bolts, lift the housing (you may need to pry it with a screwdriver). Remove the thermostat, being careful to note how everything was positioned. Inspect the thermostat; If the circular piece at the center attached to the spring is open (ie pulled away from the center) on a cold engine, the thermostat is bad and is stuck in the open opsition. To install a new thermostat, clean off all the old gasket and install the new one that comes with a new thermostat (if you do not clean off all the old gasket before installing the new one it will probably leak). Put the new thermostat in place in the same position as the old one, replace the housing and refill any lost coolant. God bless and good luck

    Oct 26, 2010 | 2006 Honda CR-V

    2 Answers

    How to install a thermastate


    Not “thermastate,” “thermostat.”

    Put a bucket under it, and open the radiator drain valve.
    Find the upper radiator hose.
    Follow it to the engine
    That which it is pushed onto is the thermostat housing.
    Unclamp the upper radiator hose at the engine.
    Pull it off of the thermostat housing
    Remove the bolts holding the thermostat housing to the engine, & remove it
    Clean the gasket surface on the engine, and on the thermostat housing
    place the new thermostat in position. If the thermostat is vertical, I put a liece of dental floss or sewing thread through it, thered them out the radiator hose hole, and hold both ends to keep it in position. The copper button goes on the engine side, leaving those supporting arms to wrap the thread through.
    With the thermostat in position, and the gasket in position, replace and tighten the bolts to attach the thermostat housing to the engine.
    Remove the thread if you had to use some.
    Push the radiator hose onto the thermostat housing.
    Tighten the hose clamp
    Refill wit coolant. If the coolant in the bucket is clean, use that. If not, refill with fresh coolant, using the proper mix of water and antifreeze. (Yes, you need anti-freeze in the summer. It raises the boiling point, reducing the risk of a boilover.)

    Jun 29, 2010 | 1988 Chevrolet Silverado 2500

    1 Answer

    How do i take thermostat out?


    1. Thermostat on this particularcar is on the right-side of the inlet manifold.
    2. Allow the engine to cool down for about 3-hours before this removal is attempted.
    3. Place a conatiner under the radiator.
    4.Drain the coolant into the container by opening the radiator drain valve( which is under the radiator).
    5.Disconnect the radiator hose clamp.
    6.Pull the upper radiator hose off the thermostat housing cover.
    7 Remove the thermostat bolts.
    8. Carefully note the position of the old thermostat in its seating place. (arrow is marked on its seating place)
    9.Take out the old thermostat.
    10.Break off the old gasket seal using a knife or similar object.
    11. Reverse this procedure for installation .(rememeber to put in new gasket on the thermostat seating place).

    Dec 09, 2009 | 1992 Subaru Legacy

    1 Answer

    2005 Chrysler 300 thermostat location?


    Hi,

    In your Model :-

    The automotive thermostat is a temperature controlled on and off valve. When the temperature rises to a predetermined temperature, the thermostat opens up to allow the engine coolant to flow through the cylinder block and the radiator. This flow is crucial to maintain optimum operating temperature for fuel efficiency, enhanced driveability, and engine protection. The coolant flow is reduced when the engine is cold, and the flow is increased when the engine is hot. Contrary to popular opinion, operating the vehicle without the thermostat doesn't make the engine run cooler. It will actually run hotter because there isn't a thermostat to slow the coolant flow. This means the coolant doesn't stay in the radiator long enough to dissipate its heat.

    TO TEST THERMOSTAT

    There are several ways to test the opening temperature of a thermostat.
    One method does not require that the thermostat be removed from the engine.
    • Remove the radiator pressure cap from a cool radiator and insert a thermometer into the coolant.
    • Start the engine and let it warm up. Watch the thermometer and the surface of the coolant.
    • When the coolant begins to flow, this indicates the thermostat has started to open.
    • The reading on the thermometer indicates the opening temperature of the thermostat.
    • If the engine is cold and coolant circulates, this indicates the thermostat is stuck open and must be replaced.
    The other way to test a thermostat is to remove it.
    • Suspend the thermostat completely submerged in a small container of water so it does not touch the bottom.
    • Place a thermometer in the water so it does not touch the container and only measures water temperature.
    • Heat the water.
    • When the thermostat valve barely begins to open, read the thermometer. This is the opening temperature of this particular thermostat.
    • If the valve stays open after the thermostat is removed from the water, the thermostat is defective and must be replaced.
    • Several types of commercial testers are available. When using such a tester, be sure to follow the manufacturer's instructions.
    • Markings on the thermostat normally indicate which end should face toward the radiator. Regardless of the markings, the sensored end must always be installed toward the engine.
    • When replacing the thermostat, also replace the gasket that seals the thermostat in place and is positioned between the water outlet casting and the engine block.
    4fa3f4e.jpg


    Positioning a thermostat into an engine.
    • Generally, these gaskets are made of a composition fiber material and are die-cut to match the thermostat opening and mounting bolt configuration of the water outlet.
    • Thermostat gaskets generally come with or without an adhesive backing. The adhesive backing of gaskets holds the thermostat securely centered in the mounting flange, leaving both hands of the technician free to align and bolt the thermostat securely in place.

    TO REPLACE THERMOSTAT

    CAUTION
    If the radiator is filled to the top with coolant and the engine is run without the radiator cap in place, the coolant will expand and spill over as the engine warms up.
    • Drain some coolant into a clean container until the coolant level is below the thermostat housing.
    • Remove the upper radiator hose connection from the thermostat housing.
    • Loosen the housing bolts and remove the housing.
    • Remove the gasket and scrape it carefully from the surface of the housing and the mounting surface on the engine. If the gasket remains on either of the surfaces, there will probably bea coolant leak after reassembly. Some engines use a rubber O-ring to seal a thermostat housing.
    • Compare the size of the thermostat to the old one. They are of different sizes, types, and temperature ratings.
    • The temperature rating is stamped on the sensing bulb on the bottom of the thermostat. The temperature bulb faces the block.
    • When replacing a thermostat, be sure that the thermostat fits into the groove in the block or outlet housing. If the thermostat is installed upside down, the engine will overheat.
    • Install the gasket.
    • Reinstall the thermostat housing. Refill the system and run the engine or pressure test to check for leaks.
    • When the engine has reached operating temperature make sure the thermostat opens.
    • You should be able to see coolant circulating within the radiator.
    • Another way of checking thermostat operation is to feel the top of the radiator hose or use a thermometer or multimeter with a temperature probe to confirm that the coolant is warming up.
    • If the engine is overheating, but the top hose is still cool to the touch, the thermostat is stuck closed and must be replaced.
    NOTE When a paper gasket is used and the recess is in the thermostat housing, it is a good practice to position the thermostat into the recess and glue the gasket to hold it in place. If it falls out of its groove during installation, the outlet housing can be cracked or a coolant leak will result. Before tightening the water outlet housing, try to rock it back and forth to be sure it is flush. Housings are often cracked during this step.

    Hope i helped you.

    Thanks for using ' Fixya ' and have a nice day!!



    Oct 07, 2009 | 2005 Chrysler 300

    1 Answer

    How do I replace and located the thermastat of my 96 Audi A4, 2.8L


    The thermostat is located in the engine block just to the side of the water pump underneath the housing where the upper radiator hose is attached.
    1. Remove the lower engine shield.
    2. Place a large drain pan under the vehicle to collect the coolant.
    3. Remove the radiator cap and drain the cooling system into a suitable container.
    4. Place a large drain pan under the engine block drain located at the bottom of the engine near the vicinity of the flywheel and the oil pan.
    5. Drain the engine block coolant into a suitable container.
    6. Place the (hood) lock carrier in the "service position". For additional information, please refer to the following topic(s): Body And Trim, Service Position, Front Bumper, Hood Lock Carrier.
    7. Remove the accessory drive belt. For additional information, please refer to the following topic(s): General Information And Maintenance, Routing Maintenance And Tune-Up.
    8. If installed, remove the upper front engine cover.
    9. Remove the toothed camshaft drive belt from the right side cylinder head to allow enough access to remove the thermostat housing. Cover and protect the drive belt from residual coolant.
    10. Remove the mounting fasteners; remove the housing, then the thermostat.



    0900c152800c2b1e.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. An exploded view of the water pump, thermostat housing and thermostat-2.8L V6 engines


    0900c152800c2c46.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Lubricate the O-ring with coolant and make sure the thermostat is installed with the bleeder facing up-2.8L V6 engines
    To install:

    WARNING The thermostat vent valve must be installed facing up otherwise the cooling system may develop air pockets and allow the engine to overheat.
    1. Using new O-ring, install the thermostat making sure the vent valve is installed facing up.
    2. Install the thermostat housing and torque the housing the bolts to 88 inch lbs. (10 Nm).
    3. Inspect the camshaft drive belt for wear and damage and replace if necessary. If contaminated with fluids or lubricants, it should be replaced. For additional information, please refer to the following topic(s): General Information And Maintenance, Routine Maintenance And Tune-Up, Engine And Engine Overhaul, Timing Belt And Sprockets.
    4. Installation is in reverse order of removal noting the following:

    Jul 09, 2009 | 1996 Audi A4

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