Question about 1993 Subaru Legacy

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Where is the thermostat, the engine overheats when climbing a long grade, is it located where the lower radiator hose goes into the block

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Yes in the bottom, driver side

Posted on Aug 05, 2010

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No its located where, the top hose enters block.

Posted on Jul 12, 2010

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Engine Diagrams


Hello. Here a non-photo diagram. Hope this helps!!!

The thermostat is located on the side of the water pump, the water pump is located just above the a/c compressor, the thermostat is fed coolant from the radiators lower radiator hose.
Thermostat :
1. drain coolant and tighten drain plug ( easier method : remove radiator cap, get big drain pan, place drain pan under lower radiator hose to radiator connection, remove clamp, slowly remove hose, allow coolant to drain into pan, now is a good time to remove radiator hose and clamp from thermostat housing )
2. remove thermostat cover / cap ( easiest to get at this when front of car is supported by jack stands and right hand side lower cover is removed ).
3. thermostat cap is held on by 3 bolts / remove thermostat.

You will notice that the thermostat's air bleed hole is pointing up and lines up with notch in water pump housing,,

ATTENTION :failure to install new thermostat in the correct location will cause engine to overheat.

1. install new thermostat to water pump, make sure air bleed hole lines up with notch, install and tighten bolts, install a new lower radiator hose, fill cooling system.

thermostat # 17670-77E00
lower radiator hose #17854-65G20
hose clamp #09401-36403
upper radiator hose # 17852-65G20

Suzuki factory manual

Oct 21, 2013 | Cars & Trucks

1 Answer

I have replaced the the Thermostat on my Chrysler 300 with the 5.7 Hemi Engine. It still over heats. Is there more than one thermostat on thi engine?


You didn't state when it overheats, if it is while driving the fault can be : belt driving water pump slipping , lower radiator hose collapsing, most common is clogged radiator. Start the engine with the radiator cap off when it is COLD and observe the flow in side. If you see really fast flow of coolant you have the bottom portion of the radiator stopped up. The only way to know is to remove the radiator and have it flow tested.
A blown head gasket or cracked head will cause steam to come out of the exhaust, water in the oil (milky). If it is running hot while idling , check fan to see if it is turning as it should when it should. Older cars have fan clutches that go bad, newer ones have temp thermostats that go bad.

Apr 30, 2017 | Chrysler 300 Cars & Trucks

1 Answer

Where is the thermostat located in the 06 stratus


  • Find the location where the upper radiator hose connects to the intake manifold of the engine by tracing it from the radiator to thermostat intake housing bolted to the intake.
  • 2 Remove the radiator hose from the thermostat intake housing by loosening the band clamp that secures it into place. With the clamp loosened, pull the hose off the housing.
  • 3 Remove the two bolts that secure the housing to the intake manifold and then lift the housing off the intake.
  • 4 Lift the thermostat out of the intake manifold and place the new thermostat into the hole. The end of the thermostat with the pin protruding from it sticks out of the intake manifold.
  • 5 Lift the thermostat intake housing gasket off the intake manifold and place the new one onto the intake manifold.
  • 6 Place the thermostat intake housing onto the intake manifold and bolt it into place. Reconnect the hose using the band clamp.
  • Six-Cylinder Engines
  • 1 Drive the Dodge onto a set of front-end ramps and secure the parking break. Allow adequate time for the radiator fluid to cool down. Thirty minutes is usually adequate.
  • 2 Loosen the petcock on the lower right hand side of the radiator and drain all of the radiator fluid into a drain pan. Close the petcock once drained.
  • 3 Trace the lower radiator hose to the location where the hose connects to the engine block. The metal housing the hose connects to is the lower thermostat outlet. Remove the hose from the outlet by loosening the band clamp and then by pulling the hose off the outlet. Be careful--some fluid will drain from the hose.
  • 4 Remove the two bolts that secure the thermostat outlet to the engine block and pull the thermostat outlet off the block.
  • 5 Discard the O-ring inside the bottom edge of the thermostat outlet and place a new one into the outlet.
  • 6 Pull the thermostat out of the engine block and replace it with a new one. The end with the pin protruding from it sticks out of the engine block.
  • 7 Place the thermostat outlet onto the engine block and secure it into place. Reattach the lower radiator hose with the band clamp.
  • 8 Open the radiator filler cap located on top of the radiator and fill the radiator with the fluid previously drained from the system.


  • please dont forget to give good rateing thank you

    Dec 28, 2010 | 2006 Dodge Stratus

    2 Answers

    Where is the thermostat?


    usually is located under the goose neck that the upper radiator hose is attached on the engine. but different engines have aother locations, like at the lower radiator hose where it connects to water pump. try the upper hose first.

    Sep 04, 2010 | 1990 Plymouth Acclaim

    2 Answers

    Where is the thermostate located


    The thermostat will be located either at the upper radiator hose inlet to the engine, or it will be located at the lower radiator hose inlet to the engine.

    Remember that the spring end of the thermostat should always go towards the engine, and not towards the hose.

    Also with a lower mounted thermostat, when it comes time to add coolant you should dis-connect the upper radiator hose at the radiator and fill the engine through the radiator hose, if you do not then there will be very little coolant in the engine block until the thermostat opens up, and by then your engine could be toast.

    Apr 30, 2010 | 1997 Toyota Avalon

    2 Answers

    Where is the thermostat located on a 2.0?


    According to the Haynes manual, the thermostat is located by follwing the lower radiator hase from the radiator back to the engine. The housing for the thermostat is bolted on the side of the engine block facing the radiator.

    Jan 11, 2010 | 1998 Volkswagen Jetta

    1 Answer

    Where is thermostat in a 1995 chrysler cirrus LX


    A tee is located to the right hand side of the intake manifold, on top you should see the coolant system cap, its silver in color and is about 2-3 inches in diameter. This tee is the thermostat housing, it goes to your radiator and engine block, remove it from the block and you should see the thermostat. Remember when replacing the thermostat, the spring side goes into the block! 2.0L and 2.4L it is under where the upper rad hose hooks to the engine. 2.5L it is under where the lower rad hose hooks to the engine.

    Dec 29, 2009 | 1996 Chrysler Cirrus

    1 Answer

    2001 Dogde Intrepid 2.7L. 6 Cyl.


    thermostat is in the end of the bottom radiator hose down on the side

    Aug 14, 2009 | 1999 Dodge Intrepid

    2 Answers

    Draining radiator


    There is something called a pigcock, which is usually located on the side bottom of the radiator next to the lower radiator hose. The easiest way to drain your radiator is just to disconnect your lower radiator hose.

    The thermostat is most commonly located at the end of the upper radiator hose going into your engine block.

    Aug 23, 2008 | 2002 Jeep Liberty

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