How to replace a coolant temperature sensor on your Radiator?

Once you’re radiator has been drained, make sure to replace your drain plug or reinsert the petcock before proceeding. This will ensure you don’t forget to complete this step before adding more coolant once the coolant temperature sensor has been replaced. Step 7: Remove electronic harness from the temperature sensor.

How to remove and replace a radiator support?

A 1996 Honda Accord was mainly used to demonstrate how to perform this task. Most radiator supports are welded in and have to be cut out and welded back in. If you are interested in learning more on how to do this type of repair and learn true body work and paint, follow this link: If you found this video valuable, give it a like.

Can you change the coolant in a radiator?

Although you may have collected the radiator coolant when you drained it from the radiator, it is highly recommended that you add new coolant. This will ensure that the coolant temperature sensor will work correctly. Add new coolant, mixed with distilled water as recommended by your specific vehicle manufacturer.

Where do I remove the heater from my car?

Locate the dash mounting hardware on the left side of dash and remove them. Step 9 – Once the heater hoses have been removed, locate and remove the dashboard mounting bolts, knee bolsters and foot shields on the bottom of the dash assembly, and center console if so equipped to gain access to the heater plenum.

How are radiators installed in a 6 cylinder car?

These brackets install a VS radiator in the 6-cylinder position using the original VS core support. Image #3: The radiator is bolted to the core support with three bolts per side.

How to install a radiator on a 1955 ecklers car?

Place just the upper cushion on the frame and install the tubular core support using the supplied 3/8″ X 2-1/2″ bolts , flat washers and lock nuts. The shims may need to be added later to align the core support to the front fenders. Image #14: The tubular core support bolts to the fenders using the same holes the stock core support uses.

How do you replace a coolant sensor on a sewing machine?

Clean off the area and the threads with a clean shop rag. Make sure that the area is clear of any debris so it will not interfere with the replacement. Set the new sensor into the threads and begin to twist it by hand. Twist the coolant sensor with your fingers until you can tighten it by hand.

Can a bad coolant sensor cause a car to not start?

Some cars use the engine coolant temperature sensor to control the electric cooling fans. You have two separate temperature sensors for the fans, dashboard gauge, and engine management in most cars. However, if your car has a single sensor, a bad engine coolant temperature sensor may result in your fans won’t start at all.

How can I check the coolant level in my car?

Step 1: Start the vehicle. Let it warm up to operating temperature. Step 2: Check for leaks. Be sure to check for leaks from the radiator drain plug, petcock, or the coolant temperature sensor. Step 3: Check to see if the check engine or low coolant level light is illuminated.

Where does the coolant flow from on a Miata?

To check, remove the rubber bypass hose from the the thermostat housing to the water pump inlet. It runs almost vertically from the housing to the inlet. Coolant should flow freely from the barb on the water pump inlet once the hose is removed.

What to do when your coolant sensor is replaced?

Properly dispose of used coolant. Step 16: Lower vehicle from jack stands. Place the vehicle back level to the ground. Once the coolant temperature sensor has been replaced, you need to start the engine, check for leaks, and refill the radiator fluid in most cases before you test drive the vehicle.

Where is the temperature gauge on a Miata?

Normal temperature gauge indication puts the needle just slightly to the left of center for the 1.6 and just slightly to the right of center for 1.8 engines.

Where is the low coolant sensor on a 1999 Pontiac Grand Prix?

If it is not low, then you may have a level sensor problem. 1999 Pontiac Grand Prix need to know where the low coolant sensor is. The light flashed low coolant all the time and it has plenty of coolant and its not running hot at all. The low coolant level sensor is in the passenger side of the radiator.

How do you remove a CT sensor from a radiator?

Place a clean drain pan under the radiator, open the radiator valve and drain about two to three quarts of coolant (or just enough to drop the level below the sensor). Then close the drain valve. This will minimize coolant waste when you remove the CT sensor. 3. Locate the CT sensor.

How do you remove a coolant temperature sensor?

Step 7: Remove electronic harness from the temperature sensor. It’s time to locate and remove the coolant temperature sensor. The first thing is remove the electronic harness that connects to the sensor. Typically this sensor is attached with a plastic clip.

How do you remove coolant from a VT?

Turn the steering wheel to the hard left position, to get room to fit the tools in there. Also check the condition of the overflow hose while you have it disconnected .They tend to swell and get blocked with crap . From what I remember the bottle has some plastic bits holding it in place under the mudguard that can break pretty easily.

Can a car have more than one coolant sensor?

Some vehicles may have more than one temperature sensors, as sometimes different sensors are used to send the signals to the dashboard and the control unit of your engine system. This is optional and a manufacturer can use only one coolant temperature sensor to send the signals to both of these desired receivers.

What are the symptoms of a bad coolant temperature sensor?

Hence, it is advised to have your car inspected right away to avoid any serious problems. Here is a more detailed list of the common symptoms of a bad coolant temperature sensor. One of the first symptoms you will notice is that the check engine light will activate.

How do you replace a low oil level sensor?

It is a good idea to place a drain pan of some type directly below the area where the oil level sensor is being removed. For sensors that are mounted in the bottom of the pan, facing upward, it may be necessary to drain the oil before replacement. Step 6: Compare the replacement low oil level sensor to the one removed.

When does the coolant level sensor light stay on?

The coolant level sensor light stays on: The coolant level sensor light comes on the dashboard in many of today’s modern cars, trucks, and SUV’s when the coolant level is low inside the radiator. However, if the coolant reservoir has coolant it naturally flows to the radiator to prevent this from occurring.

How do you replace a coolant level sensor?

Step 7: Remove the electrical wire attached to the sensor. Once you locate the coolant level sensor, you need to remove the electrical wire that is attached to the sensor. The electrical connection may have a nylon snap connector attached to the bottom of the sensor. Remove this clip and then remove the electrical wire from the sensor.

What to do if your car coolant sensor is not working?

Make sure you wear safety glasses and gloves to protect your hands from hot coolant if the engine is not cold. Step 1: Make sure vehicle is on a level working area. Since you need to jack the front end up and will be placing the front end on jack stands, make sure your vehicle in on a flat surface.

How does the coolant sensor on a radiator work?

The coolant sensor is an electronic piece that measures the level of coolant in the radiator. This sensor measures the level of coolant inside the radiator when it is cool; as warm or hot radiator fluid will expand as it heats. When the sensor works properly, it will illuminate on the dashboard or trigger a check engine code to be displayed.

How to replace Waterpump, thermostat and coolant temp sensor?

In this walkthru I show how to replace a waterpump, thermostat and a coolant temp sensor in a jeep grand cherokee. This 3.7L engine is found in many Chrysler Dodge Jeep vehicles such as the Nitro, Liberty, 300 and others. Goodies include a belt routing diagram and how to bleed the air from the coolant. Loading…

Why is a coolant temperature sensor so important?

A coolant temperature sensor is especially important for the optimal performance of your vehicle. While you drive your vehicle, the engine goes through continuous combustion. This can make it very hot during the drive, especially during daytime driving.

Where does the coolant temperature ( ECT ) sensor go?

The readings from the engine coolant temperature (ECT) sensor; are sent back to the engine control unit (ECU). The engine coolant temperature (ECT) sensor is one of the most important; engine management sensors.

Where is the coolant temperature sensor located on a Mercedes Benz?

Replacing the coolant temperature sensor is a relatively easy job if you have a lot of patience. The sensor itself is located below the air pump and between the thermostat and coolant pump housing. The sensor is actually held in place by a small clip that sits in a channel created by both the thermostat on one side and coolant pump on the other.

How does a temperature sensor work on an engine?

The temperature sensor is comprised of a metal housing filled with a composite which varies the resistance through its internal circuit as temperatures increases or decreases in the engine.

Where is the coolant temperature sensor on a V6?

Locate the CT sensor. On most inline engine models (four or six cylinders), look for the sensor around the upper section of the engine block or around the cylinder head. On most V8 (and some V6) engines, you may find it also around the upper part of the engine or under the intake manifold.

What should coolant temp be when engine is hot?

With a good OBD2 code reader, you can also check the live data and the parameters of the CTS sensor. Check that the temperature value of the CTS is around 80-90c when the engine is hot. A lot of engine coolant temperature sensors have two wires and the sensor is controlled by Ohm.

Can a bad coolant temperature sensor cause a car not to start?

While it may not be the coolant temperature sensor that is causing your car to not start, it could be a plethora of other issues. One of the most common reasons why a car doesn’t start is that the battery is dead. If this is the case, you can use jumper cables to jump start your car and let it run for a while so that the battery recharges.

What happens when a coolant sensor goes wrong?

What Goes Wrong? The temperature sensor is comprised of a metal housing filled with a composite which varies the resistance through its internal circuit as temperatures increases or decreases in the engine.

How do you seal a coolant sensor on a car?

If the sensor uses threads apply a small amount of thread sealer to help stop coolant leaks once the sensor is reinstalled (some coolant sensors have sealer already applied). In this example the sensor is sealed by an O ring which requires no sealer. Install the sensor by reinserting it back into the coolant access port and reinstalling the clip.

How much does it cost to replace coolant sensor?

When taking you car into a repair garage or the dealer to have a coolant temperature sensor replaced it will cost between $120.00 and $180.00 (US) depending on the type of car and the location of the sensor.

How to replace an automotive engine coolant sensor?

Once the sensor installation is complete, close the radiator drain valve and refill the system with coolant. Start the engine and allow it to heat up while adding coolant as needed. Reinstall the radiator cap once the engine is at operating temperature and recheck the system for leaks. Watch the Video!

What’s the name of the coolant temperature sensor?

Coolant temperature sensors are also known as engine coolant temperature sensors or ECT sensors. The principle working of this sensor involves the use of an electrical resistance which measures the temperature of the coolant.

How to replace coolant in a Cadillac SRX?

Replace Cadillac SRX Coolant. 1 Step 1. Place a 4-gallon container under the drain valve on the radiator. Open the drain valve with a ¼-inch-drive ratchet and drain the fluid into 2 Step 2. 3 Step 3. 4 Step 4. 5 Step 5. More items

What does the fan sensor on a Cadillac do?

The fan sensor, or cooling fan control switch by its more popular name, controls the operation of your Cadillac’s radiator fan. When the coolant within the radiator reaches a specified temperature, the sensor activates the fan.

How do you change the fan control switch on a Cadillac?

One of the cooling fan control switches reacts to lower temperatures and the other to higher temperatures. You can find and replace one or both fan sensors; removing either of them will require draining the coolant. Raise the hood on your Cadillac and locate the radiator.

Where is the cooling fan located on a Cadillac?

Raise the hood on your Cadillac and locate the radiator. Your Cadillac’s radiator mounts within the engine compartment. If you peer down at the front of the engine compartment just beyond the bumper, you will see the radiator. It has black, rubber hoses hooked up to it and your cooling fan mounts directly against it.

How does the cylinder head temperature sensor work?

Some cars use a cylinder head temperature or CHT sensor instead of, or in addition to the ECT sensor. The CHT sensor (see the photo) works the same way, but it measures the temperature of the cylinder head metal and is not immersed in coolant. This allows the CHT sensor to measure the temperature of the engine correctly even with loss of coolant.

Where is the temperature sensor on a car?

This will vary on some cars where the pulleys are located on the side of the vehicle. However, the sensor is still located amongst the pulley system. Hold a drop light over the area and locate the sensor. You may need to remove the fan shroud in order to see into the space.

Where is the coolant temp sensor on my S-10?

On my 92 4.3 TBI, there are two coolant “sensors”. One is a Coolant Temperature Sensor and the other is a Coolant Temperature Switch… The Sensor is for the Engine computers to calculate the air/fuel ratio and the Switch gives you the temp reading on the dash.

Is there an error on my GMC temp sensor?

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Where are the coolant sensors on my 92 TBI?

One at the front of the intake manifold right next to the t-stat, and the second on the driver’s side head. On my 92 4.3 TBI, there are two coolant “sensors”.

How to replace ambient light sensor 14-19 Chevy Silverado?

If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. 1A Auto offers high-quality parts online with fast and free shipping and thousands of how-to videos.

What kind of connector do I need for my cooling fan?

Most cooling fans will connect to a PC with a standard connector of some sort. Modern systems will typically use 3-pin or 4-pin dedicated fan headers, though standard MOLEX 4-pin peripheral connectors are also used.

How do you replace a cooling fan relay?

Pay specific attention to the physical dimensions of the relay, and more importantly, to the number and orientation of the pins on the replacement. Step 4: Install replacement cooling fan relay. Plug the electrical connector into the replacement cooling fan relay and reinstall it back into place.

What kind of connectors do GM oil coolers use?

Most GM vehicles use Jiffy-Tite® connectors today, the exception being some of the Cadillac platforms. Until the middle 90’s most oil coolers were connected to the oil lines using rubber hose and clamp or inverted flare joint designs.

Why do you need a coolant hose connector?

Coolant travels through the hoses, and is needed to keep many of your vehicle’s systems operating smoothly. The coolant hose connector provides a leak-proof seal between the coolant hoses and the connected parts. Over time, the connectors can break or wear out.

The cooling fan relay has an electrical connector that will need to be disconnected and switched over to the replacement cooling fan relay. Most commonly used connectors are a push type connector. Disconnect connector and remove cooling fan relay. Step 3: Compare the replacement cooling fan relay to the one being removed.

Where are the coolant hoses located on a BMW?

Inside this passageway will be a dedicated pipe for the coolant. One such example is found on BMW-sourced V8 and V12 engines. An overflow hose runs between the radiator cap and the reservoir tank where extra coolant is stored (and added).

What should the thermostat be on a Chevy Silverado?

Figure 1. Chevy Silverado thermostat and housing. Thermostats have a rated temperature listed on them. Most commonly, thermostats are rated at 180, 190, and 200 degrees Fahrenheit, which fully open about 20 degrees after its temperature rating. Common problems associated with thermostats is engine overheating or an engine that runs too cold.

Where is the coolant temperature sensor on a trailblazer?

Raise the TrailBlazer off the jack stands, using a floor jack, and remove the jack stands. Lower the SUV to the ground. Find the coolant temperature sensor on the front of the engine block, just behind the alternator. Pull upward on the locking tab on the coolant temperature sensor’s wiring harness, and pull the wiring harness from the sensor.

Why is my water pump and thermostat not working?

The radiator, water pump, and thermostat are definite possibilities, but there are a few others that are possible also. A faulty cooling fan is the first thing that comes to mind, but it could also be a head gasket issue, clogged coolant passages inside the engine, or faulty radiator hoses.

What happens when you replace your water pump?

Overheating after replacing water pump, thermostat and co… Q: Overheating after replacing water pump, thermostat and coolant temp. Sensor I was driving my truck one day and noticed that the temp gauge was raising as I got home, I turned the engine off and check the engine and noticed that the water pump was leaking, it had a hole on it, how?

What’s the best way to replace an alternator?

If you find any of those issues, you’ll need to replace it. Remove the alternator from the engine bay. With the belt pulled off of the alternator pulley and the wires disconnected, the alternator should come out freely. You may need to wiggle the alternator around some things in order to remove it.

How do you remove a car temperature sensor?

Place the cables aside. Step 4: Remove battery harness clamp. Typically, the battery is secured to the battery box through a clamp that often has one bolt. In most cases, you can remove this bolt with a socket and extension. Remove the clamp and then remove the battery from the vehicle. Step 5: Locate and remove battery temperature sensor.

Where is the relay on a radiator fan?

The fan relay is often located in the engine bay’s fuse box, but the best way is to check your repair manual to find where it is located. Testing a 4 pin relay is often very straightforward. Remove the relay and give 12 volts to pin 30 and 85. Ground pin 86 and check if there is voltage coming out from pin 87.

Is it possible for an alternator to overheat?

Yes alternators give off heat, they have an internal fan to cool it. The will get too hot to touch after running a while. I would test the voltage at the battery with a meter, should be around 12 V. A good test is at 1500 rpm, headlights, heater fan and radio on, should hold around 14 V.

Can a Toyota Sienna alternator get too hot?

Yes alternators give off heat, they have an internal fan to cool it. The will get too hot to touch after running a while. I have a 2001 Toyota Sienna with the same issue. I have gone through 4 alternators in a week. Did you find out what was wrong? Did anyone find an answer ?

Why does my alternator get hot under the hood?

Anything under the hood will get somewhat hot due to the heat build-up under from the engine. However, that alone should not be causing a voltage drop. I’m wondering if you’ve got a wiring problem after the alternator that is causing an excessive current draw, and causing the rectifiers in the alternator to overheat.

Is the water pump still hot after replacing the radiator?

I have replaced the radiator, water pump, it still run hot. I took out the thermostat and it still run hot when you drive it any distance. The temperature gauge return to normal when it is setting still and running. Help I’m at a lost to the problem. 71 people found this helpful. Did you ever find the cause of this?