Reconnect the negative battery cable and re-code the radio as necessary. Using a small amount of fresh coolant or an anti-seizing compound, lightly lubricate the O-ring, and push the sensor in the housing. There may be two temperature sensors in some vehicles, one to send information from the engine system to the control unit and another from the control unit to the dashboard. This will cause the computer to think the engine is cold, even when it is not, and as a result will use more fuel than necessary. However, some vehicles dispense with the need for two temperature sensors by using just one sensor to do both tasks. Do this carefully, as the plastic connector and wiring can often be brittle and will need completely replacing if it breaks.
The sensor is actually held in place by a small clip that sits in a channel on the housing. Advance Auto Parts has 16 different Coolant Temperature Sensor for your vehicle, ready for shipping or in-store pick up. Coolant is likely to leak out at this point, so have the new one ready to replace it, or consider draining the coolant if required. Replacing the coolant temperature sensor is a relatively easy job if you have a lot of patience. For more information, visit the.
Begin by removing the engine covers. In many vehicles, a faulty coolant temperature system will trigger a check engine light or service engine light on your car's dashboard. The computer will also scale back engine performance settings if it detects that the engine temperature is too high, in order to protect the engine from possible damage due to. To confirm, you could run your vehicle through an emissions test. Advance Auto Parts has 6 different Coolant Temperature Sensor for your vehicle, ready for shipping or in-store pick up. Vr6 The Engine Coolant Temperature sensor is mounted in the thermostat housing.
A quick trip to a qualified mechanic with a diagnostic computer will tell you if the check engine light has anything to do with a coolant temperature sensor or not. A faulty sensor can lead to a range of problems developing, including overheating and poor engine performance. Detach the gauge sending unit electrical connection. Please see our article on removing your engine covers. . However, it is usually in close proximity of the thermostat of the cooling system, or inside it. Drain the engine coolant until it is just below the level of the sensor into a sealable container.
I would check and replace these two if necessary. The steps below demonstrate how to change a faulty coolant temperature sensor in your car. Disconnect the negative battery cable. Once the sensor is loose, unscrew by hand and remove it from the socket. Check Engine Light comes on An is another symptom of a potential problem with the coolant temperature sensor. The sensor is located on the left side of the engine attached to the water pipe that comes out of the head.
This can possibly happen when the coolant is leaking, causing the temperature sensor to behave erratically. In this guide, we take a closer look at coolant temperature sensors, offering information on what they do and how they work, and step-by-step advice on diagnosing and replacing a faulty sensor yourself. When it comes to your Volkswagen Beetle, you want parts and products from only trusted brands. This can cause the computer to incorrectly compensate for a lean signal, which can result in overheating, and even or engine ping. Start the engine, allow it to reach operating temperature and check for leaks. Shop online, find the best price on the right product, and have it shipped right to your door. Both temperature sensors operate with the same resistance values.
Make sure the connector is clean and free from debris, then carefully plug it into the new sensor, carefully tightening any clips to ensure a good connection with the terminal. For this reason, if you suspect that your coolant temperature sensor is having an issue, have the vehicle inspected by a professional technician from YourMechanic. How to Spot a Faulty Coolant Temperature Sensor Like any component under the bonnet, coolant temperature sensors can develop faults over time. Such information may be sent outside the European Union and in that case Mister Auto ensures that the appropriate legal guarantees are put in place. If the fuel mixture becomes excessively rich to the point where the fuel cannot be adequately burned in the combustion chamber, it will burn up in the exhaust pipes and cause black smoke.
But how do cooling systems know when the engine is operating at the right temperature? Remove the sensor by pulling it straight up and out. Using a deep socket and ratchet, carefully loosen the sensor in an anticlockwise direction, without applying too much pressure. When it comes to your Volkswagen Jetta, you want parts and products from only trusted brands. Tighten the sensor to 12. Skip the repair shop, our top-rated mechanics come to you.
To install: If the sensor is held into the coolant passage with a retaining clip: Install a new O-ring on the sensor. How to Replace a Coolant Temperature Sensor Replacing a coolant temperature sensor is a simple process for anyone who is familiar with the components of an engine, and can be done right on your drive. Shop online, find the best price on the right product, and have it shipped right to your door. The black connector is for the gauge on the instrument panel. Step 3: Loosen and Remove the Old Sensor Coolant sensors are fitted like a spark plug, so you need to unscrew it to remove it. Hear from other customers via the 120 reviews on parts for your Volkswagen Beetle.