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WHERE IS THE THERMOSTAT ON A 2001 BLAZER - 2001 Chevrolet Blazer

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In the front of your intake manifold, undo the upper radiator hose, the 2 bolts that hold down the water outlet, remove thermostat and o-ring

Posted on Feb 07, 2010

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2001 blazer runs hot with new thermostat

You might need a new temperature sensor.

Aug 06, 2012 | 2001 Chevrolet Blazer

1 Answer

My 2001 chevy blazer stalls periodically when idle. also the temperature gauge shoots up to 260 F very quickly even though th coolant tank is full and when i stop the radiator does not fell warm or hot.

Check the thermostat to make sure the coolant is flowing through the system. If the thermostat is bad, then the truck coolant will heat very quickly. A thermostat may need to be replaced.

Nov 28, 2010 | 2001 Chevrolet Blazer

1 Answer


folow the top radiator hose to the engine and there it is

Apr 16, 2010 | 2001 Chevrolet Blazer

1 Answer

2001 Chevy Blazer. Service engine soon light on. Check comp and replaced Temp. sender. Light came back on and it says it's the thermostat temp. sensor. Any idea where this is located?

The temperature sensor is located on the intake manifold by the thermostat housing. Check the wire leads first and if that's good, replace the sensor and thermostat. The 4.3 was programed by the factory to run it's best at 190'", if it runs too cold. The mil light comes on indicating a temperature sensor failure.

Jan 28, 2010 | 2001 Chevrolet Blazer

2 Answers

Where the thermostat for chevrolet blazer?

follow the top radiator hose back to the motor. You will see a metal plate at the end with two bolts in it. The thermostat is inside. Remove the two bolts and replace the thermostat. Make sure you install the new gasket properly or there is a possibility it will leak.

Oct 28, 2009 | 2001 Jeep Grand Cherokee

1 Answer

No heat in 2001 blazer. only blows cold air

check for heater hose and or heater core clogged.

Sep 29, 2009 | 2001 Chevrolet Blazer

1 Answer

2001 Chevy Blazer V6 running hot


Jul 29, 2009 | 2001 Chevrolet Blazer

1 Answer


t stat is located in the front of the intake manifold where the upper radiator hose goes into the manifold

Jul 07, 2009 | 2001 Chevrolet Blazer

1 Answer

How do i replace the thermostat in 2001 chevy blazer?

Follow the upper radiator hose to the engine. Right where the radiator hose clamps is the thermostat housing. Remove the 2 bolts that hold the housing on and the thermostat is inside.

Jul 01, 2008 | 2001 Chevrolet Blazer

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