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Thermostat location on 3.5liter chevy impala top or bottom hose

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Posted on Jan 02, 2017

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SOURCE: Need to replace thermostat on 2005 Chevy 2500HD 4x4

The thermostat is located in the water pump next to the 2 heater hoses. I think you have to buy the housing to get a thermostat. Not serviced seperately.

Posted on Feb 20, 2009

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SOURCE: 2002 chevy impala o2 location?

it is locared on the driver side on top of the transmision

Posted on Feb 27, 2009

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SOURCE: how to replace a thermostat on a 2003 chevy trailblazer

The thermostat is under the alternator.

If you have a memory saver to keep radio & PCM settings, install it now.

Remove negative battery cable from battery. Remove positive cable from alternator and disconnect harness plug from alternator.

Remove accessory belt noting how it is installed for later reinstallation.

Remove engine lifting hook in front of alternator.

Remove (3) bolts holding alternator on.

Drain coolant from radiator (may want to start this as first step as it takes a while). Loosen pressure cap to aid in system draindown.

Remove radiator hose from thermostat housing.

Remove two bolts from housing and remove from engine.

Reinstall is reverse keeping in mind the following:

Cleanliness counts where thermostat housing seals to engine.
Thermostat spring should point into engine.
If the thermostat has a bleed port, it should go to the 12 o'clock position (up).

Posted on Jan 14, 2010

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SOURCE: locating thermostat on 2004 chevy impala

if you know were your radiator is the big rubber hose on top that connects to this hose goes into thermostat housing inside is thermostat

Posted on Jan 26, 2010

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1 Answer

2011 impala thermostat location


Pretty simple, really. Look under your hood. There are 2 hoses going from the radiator to the engine- one from the top of the radiator & one from the bottom. Follow the bottom one from the radiator to the engine block (if its still the same setup as the '07s, this should be at the bottom of the block, on the front left corner... that's YOUR left). the hose connects to a sort of dome-shaped inlet. That's the thermostat housing. Take it off to get to your thermostat. This should go without saying, but I'll say it anyway just in case..... The hoses are full of coolant, so be sure to have something underneath to catch it when you disconnect the hose & take off the housing. Also should go without saying, but make sure you do it when the car is cold... you know, so you don't get third degree burns from being splashed by scalding hot coolant! Hope this helped....

Nov 25, 2013 | 2008 Chevrolet Impala

1 Answer

Change thermostat on 2004 chevy impala?


first you need drain engine coolant down below thermostat. what engine type 3.8 or 3.4 need to know.the 3.8 engine thermostat housing on top intake follow top radiator hose to thermostat housing.the 3.4 engine you have to remove air filter housing with air inlet duct with mass air flow sensor.you have to remove throttle body with coolant hoses.go to auto parts store buy new throttle body hoses old ones will be hard to remove might have to cut two small hoses also buy new throttle body gasket also. before you can remove throttle body unit you have to remove accelerator cable and downshift cable from bracket bolted to throttle body.once throttle body remove then you can remove thermostat housing bolt remove replace thermostat.

Nov 11, 2011 | 2004 Chevrolet Impala

1 Answer

Where is the thermastat located on a 2005 chevy impala? Is it hard to replace?


Follow the top radiator hose to the back of the engine. Remove the two bolts at the end of the hose and the thermostat is inside. Note the engine is sideways in the car so the back of the motor is really on the drivers side of the car.

Jan 08, 2011 | 2005 Chevrolet Impala

1 Answer

06 chevy.Impala running hot,i install a new radiator and fill with dexcol ilet run 30sec. later it run hot. how do i bleed the air out


DID you change out the Thermostate? the thermostate will open at around 180 degrees to cool off the motor if it fales to open it will make the car run hot. REPLACEMENT BELOW $40.oo range.

  • Open the hood of the impla and locate the thermostat housing. Find the largest hose at the top of your radiator, then follow it until it connects onto a portion of the Impala's engine block. The piece that to which the hose connects is the removable thermostat housing.

  • 2

    Use a jack to raise the Impala off the ground, then settle it down onto jack stands. Make sure the car is in park and the emergency brake is on.

  • 3

    Place a large container under the Impala's radiator. Drain the radiator into the bucket by loosening the clamp on the lower coolant hose with a flat-blade screwdriver, then removing the hose entirely so that the coolant flows into the bucket. Once the coolant stops flowing, set the bucket aside.

  • 4

    Use the screwdriver to loosen the clamp on the coolant hose connecting to the thermostat housing, then remove the hose from the housing completely. This will give you access to the bolts securing the housing to the Impala's engen block

  • 5

    Use a wrench or ratchet and sockets to remove the bolts securing the housing to the engine block, then set them aside somewhere where you will not lose them. Loosen and remove the thermostat housing to reveal the thermostat.

  • 6

    Make a careful note of how the thermostat is oriented toward the Impala's engine block. You must install the new thermostat in the exact same way as the old one is installed. Remove and discard the old thermostat.

  • 7

    Use a scraper tool or a razor blade to remove any remaining bits of thermostat gasket from the bottom of the thermostat housing and from the engine block. It is important to get all the remains off; otherwise the new gasket will not seal properly.

  • 8

    Apply a layer of gasket sealant to the bottom of the Impala's thermostat housing, then press the new gasket against the sealant so that it sticks and makes a good seal.

  • 9

    Install the new thermostat in the manner you noted in Step 6, then replace the thermostat housing and secure it down with the bolts. Reconnect the hoses you disconnected--making sure that the clamps are tightened down so no coolant leaks--and refill the Impala's radiator with the coolant you drained out earlier. Use your jack to lower the Impala back to the ground.

  • Dec 05, 2010 | 2006 Chevrolet Impala

    1 Answer

    Changing a thermostat on 2008 Chevy Impala 3.9L engine. where is thermostat located?


    There are two hoses that come from the radiator. The very bottom hose is conneted to the thermostat housing. Looking at the car from the front under the hood just below the first hose is another one same in diameter and there it is two bolts and you done.

    Nov 26, 2010 | 2008 Chevrolet Impala

    1 Answer

    I can't locate the thermostate on my 2003 chevy impala.


    Follow the top rad hose. Should lead to a pipe that curves just about under the throttle body (drivers side) if i remember correctly. Thats where your thermostat will live. Not a very easy one to do.

    Mar 26, 2010 | 2003 Chevrolet Impala

    2 Answers

    Where is the thermostat located in a 2004 chevy impala?


    what engine do you have.If it is a v-6 standing in front of vechicle facing car,look on right side bellow the exhaustcrossover tube between the heads

    Mar 01, 2010 | 2004 Chevrolet Impala

    1 Answer

    Locating thermostat on 2004 chevy impala


    if you know were your radiator is the big rubber hose on top that connects to this hose goes into thermostat housing inside is thermostat

    Jan 26, 2010 | 2004 Chevrolet Impala

    1 Answer

    How do you replace A thermostat on a chevy impala 95


    follow the bottom of the radiator hose till it goes into the goose neck remove the hose and the goose neck the thermostat will be under the goose neck. make sure to replace the gasket with the thermostat

    Jan 02, 2010 | 1996 Chevrolet Impala SS

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