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How ro replace temp sensor 2007 impala - 2007 Chevrolet Impala LS Sedan New Cars

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Posted on Jan 02, 2017

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SOURCE: need to know location of coolant temp sensor in 2003 Impala

Need more info. I see from the location of your post that you have a 2002 Blazer. Do you mean a Trail Blazer? Chevy didn't make a Blazer in 2002. The ECT (engine coolant temperature sensor) is located on the driver's side, front of the engine. (on top) It is between the ECM (engine control module aka the engine computer) and the alternator. You will most likely need to remove the alternator and it's belt to obtain easy access to the sensor. If you need to remove the alternator for access, remember to disconnect the battery's negative terminal first. The sensor has a wiring harness with a connector mounted to the top of it. After you remove the electrical connector, the sensor will screw out using a deep socket and ratchet. You will loose some coolant (antifreeze) during the change, so make sure you have some DexCool antifreeze on hand.
Charlie

Posted on Mar 04, 2009

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The outside air temp reads ---. On a 2007 Chevy Impala


How mechanically inclined are you ? Can you pull the HVAC control module ? Maybe one of the pins baked out ,( if he, who ever fixed rear defroster was in there to test the circuit ) Connector 1 Description: 16-Way F Micro 64 Modular (BU) pin 9 ,L-GN/BK Ambient Air Temperature Sensor Signal wire . These are very small wires and terminals , could have been spread apart , not making good connection . Or take it back to who fixed rear defroster, if he did it he should fix it no charge !

thest

Dec 18, 2014 | 2007 Chevrolet Chevrolet Impala LT

1 Answer

Ambient temp sensor on chevy impala is reading -40


If you replaced the right sensor, there must be a problem in the wiring to the computer.
You did reset the computer - hit ac and recirculate buttons at the same time ??

Jul 28, 2012 | 2006 Chevrolet Impala

2 Answers

MY IMPALA 2007 LT IS LEAKING OIL GASKET WAS REPLACED TWO MONTHS BACK IT HAD BEEN FINE BUT JUST YESTERDAY OIL PRESSURE LOW SENSOR CAME ON & NOW I NOTICE IT'S HAVING A SLOW WATER DRIP PROBLEM AS


Yes or a small bypass hose. You may be able to get a loan of a tester at autozone, oreilys, or advance autoparts. You want a radiator pressure tester. Do not exceed the cap rated pressure. When the engine is warm, you can add pressure and look for water seepage.

There are also chemicals to add to detect leaks if the first method is unsuccessful.

Mar 29, 2012 | 2007 Chevrolet Impala LS Sedan New Cars

1 Answer

My outdoor air temp. reads -56 degrees when starting car, real air temp is 80, it keeps the a/c from turning on.


Hello, this is usually caused by a bad outside air temp sensor. the sensor is mounted behind the front grill, it has one connector with two wires pluged into it.
here is a picture of the sensor


1
Ambient Air Temperature Sensor Assembly

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Jun 08, 2011 | 2007 Chevrolet Impala LS Sedan New Cars

1 Answer

I have a Montana SVG 2007 i get a message a/c off for engine protection would you know if it would be the temperature sensor


Usually this message appears when the engine is overheating, could be a bad temp sensor, but don't ignore the warning. Could also be triggered by low refrigerant in the ac system but usually that will have it's own message.

Mar 06, 2011 | 2006 Chevrolet Impala

1 Answer

Low power message; engine nearly stalled. 2007 impala with 30,000 miles only


Oh, if the engine is getting an error code, scan the computer for the code.
However, I solved a problem for something like this on a 2008 Chevrolet Impala, which is similar to the 2007.

It may very wel be the TPS (Throttle Position Sensor) or the APS (Accelerator Position Sensor) which is faulty causing a code relating to the TPS not correlating with the transmission module.

So, if you are getting such a code, I would first try to replace the TPS, then if it isn't solved, try the APS.

If changing both doesn't solve the problem, maybe a wiring harness problem from these two sensors that input to the Transmission and Engine is faulty.

Good luck on this repair.

Jan 21, 2011 | 2007 Chevrolet Impala LS Sedan New Cars

3 Answers

Display reads engine hot a/c off no temperature gauge reading on 2007 impala


Sounds like your temperature sending unit is bad. If you need instructions for replacing the sensor, please let us know.

Sep 10, 2010 | 2007 Chevrolet Impala LS Sedan New Cars

1 Answer

My 2007 Impala LS says its overheating shut off A/C the temp gauge goes all the way up then in an instant comes back down to normal


CHECK COOLANT LEVEL TO MAKE SURE NOT LOW.IF ALL LOOKS GOOD.CRANK ENGINE LET IDLE FEW MINUTES TURN ON AC MAX LEVEL TO SEE IF COOLANT FANS COMING ON.IF NO CHECK COOLANT FANS FUSE AND RELAYS.IF COOLANTS FANS COME ON WHILE ENGINE OVERHEATING THERMOSTAT BAD.IF ENGINE OVERHEATING FANS NOT COMING ON YOUR COOLANT TEMPERATURE SENSOR FAULTY.

Sep 01, 2010 | 2007 Chevrolet Impala LS Sedan New Cars

1 Answer

2003 impala is it a temp sensor or cooling fan switch


Maybe your radiator is clogged flush it out.

Aug 11, 2009 | 2004 Chevrolet Impala

2 Answers

Coolant Temp Sensor


there are two coolant sensor i found the one by the thermostat where is the secound one located at on my 1995 chevy impala

Jun 11, 2009 | 1995 Chevrolet Impala

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