Question about 1999 Chevrolet Monte Carlo

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Where is the coolant sensor on a 1999 monte caro

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The coolant sensor is located in the passenger side plastic tube of the radiator, kinda hidden. Get yourself a service manual has one for your car for cheap, it has diagrams and repair procedures.

Posted on Sep 26, 2009


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3.8l. Where is fan sensor?

coolant temp sensor or a relay

Jan 07, 2016 | 1999 Chevrolet Monte Carlo

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My 1999 Chevy Monte Carlo is overheating to near hot?

Have you checked the electric fan. It is possible that the fan sensor is malfuncioning causing the fan to not turn on. Also, the coolant needs to be mixed with water at the proper rate to cool properly. You can check the fan fuse or relay. If the heater is not puting out hot air, the heater core could be clogged, not allowing the coolant to circulate.

Dec 27, 2014 | 1999 Chevrolet Monte Carlo

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Low coolant light

The sensor doesn't affect those but if you are low on coolant the AC/Heater may not work properly.

Aug 21, 2013 | 1999 Chevrolet Monte Carlo

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How do I change a coolant sensor on a 1996 Z34 Monte Carlo?

Usually the sensor is in the bottom of the overflow tank or on the side of the radiator.

Apr 30, 2013 | 1996 Chevrolet Monte Carlo

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Where is ect sensor located on 2006 monte carlo 3.5 engine

The ECT (Engine Coolant Temp sensor) should be located by the coolant thermostat housing or where the upper radiator hose connects to the engine. It screws in with a plug or small/short wire harness attached to it. -------------------------------- To replace ect sensor:---
  1. Drain and recycle the engine coolant.
  2. Remove the intake manifold cover, if necessary.
  3. Remove the exhaust crossover.
  4. Disconnect the Engine Coolant Temperature (ECT) sensor electrical connector.
  5. Remove the ECT sensor.
see fig below:--- techmecho.jpg


Jan 04, 2011 | 2006 Chevrolet Monte Carlo

1 Answer

Low coolent light comes on. When fluids are checked everything looks good. yet the light continues to come on any sujestions?

If top off on coolant you have a coolant level sensor that's starting to go bad, the sensor sit on the side of the radiator' plastic tank on the radiator on the passenger side, square looking, napa stock's this, part # FLS614
same part for 3.1L and 3.8L engine, to check to see if it is defective when coolant light on disconnect sensor and if light goes off bad sensor, good luck, hope this was very helpful.

May 14, 2010 | 1999 Chevrolet Monte Carlo

1 Answer

1999 3.1L V6 Monte Carlo: Had the engine replaced. Now the dual cooling fans do not come on when the engine heats up as before. They only come on now when the A/C is running. How do I get this corrected so...

The fans are controlled by the ECM.they will not normally come on untill about 235 degrees.Have someone put a scan tool on your car,run it and see how hot it gets.Your new engine may a different coolant sensor, which changed the reading on your gauge.

Apr 09, 2010 | 1999 Chevrolet Monte Carlo

1 Answer

Changed coolant sensor on 99 monte carlo, cleared computer, light

Which coolant sensor did you change? The one in the passenger side tank in the radiator.

Mar 19, 2009 | 1999 Chevrolet Monte Carlo

1 Answer

The low coolant light stays on in my 2002 monte carlo

Ur coolant level sensor might need changing. If not, the circuit associated with the coolant level sensor needs to be inspected

Jan 27, 2009 | 2002 Chevrolet Monte Carlo

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