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How to replace the speed sensor on a Chevy Silverado?

How to replace the speed sensor on a Chevy Silverado?

Chevrolet Silverado 1999-2006: How to Replace 4WD Vehicle Speed Sensor (VSS) Step 1 – Remove the old VSS. The VSS is located on the front passenger’s side of the transfer case. Pull back on the… Step 2 – Install the new VSS. Thread in the new VSS by hand. A new O-ring should already be attached to …

Why does the speedometer stop working on a Chevy Silverado?

If your Silverado’s brakes are stiffer than normal, the transmission is slow to engage, the overdrive light blinks on and off, the speedometer stops working or behaves erratically, or the check engine light turns on, then the vehicle speed sensor (VSS) may have stopped working.

How to remove the speed sensor from a car?

From under the right-hand side of the vehicle, disengage the wiring harness connector from the VSS. Loosen the VSS hold-down bolt, then pull the VSS out of the transmission housing. To remove the VSS, detach the wiring harness connector from it . . . then remove the hold-down bolt and bracket. . . and slide the sensor out of the transmission case

How do you install a new transmission sensor?

To install: If a new sensor is being installed, transfer the driven gear retainer and gear to the new sensor. Ensure that the O-ring is properly seated in the VSS housing. For ease of assembly, engage the wiring harness connector to the VSS, then insert the VSS into the transmission assembly.

What kind of speed sensor does a Chevy Silverado have?

This article applies to the Chevrolet Silverado GMT800 (1999-2006). A vehicle speed sensor (VSS) transmits the transfer case, transaxle, and/or wheel speeds to the truck’s electronic control module (ECM).

If your Silverado’s brakes are stiffer than normal, the transmission is slow to engage, the overdrive light blinks on and off, the speedometer stops working or behaves erratically, or the check engine light turns on, then the vehicle speed sensor (VSS) may have stopped working.

How does a transmission speed sensor work in a car?

After registering data, the two transmission speed sensors, also commonly referred to as a vehicle speed sensors (VSS), send data to the powertrain control module (PCM), which compares these two inputs and calculates which gear the transmission should engage for efficient driving. The actual gear ratio is then compared to the desired gear ratio.

What is the VSS on a Chevy Silverado?

The VSS in your Silverado provides crucial information for the ECM to properly balance and control several engine functions. This article applies to the Chevrolet Silverado GMT800 (1999-2006). A vehicle speed sensor (VSS) transmits the transfer case, transaxle, and/or wheel speeds to the truck’s electronic control module (ECM).

Where is the speed sensor on a car?

This component, which is also referred to as an ABS sensor, is attached to the hub of a drive tire and is responsible for monitoring multiple vehicle functions such as traction control, anti-lock braking systems, and obviously, the vehicle’s speed.

What should I do if my wheel speed sensor is not working?

When the wheel speed sensor is broken or not working as it should, one of the first things that are affected is the ABS system. If you press your brakes and you notice that the front tires lock up, you should immediately contact a local ASE certified mechanic to inspect this problem. This problem can be a safety concern and should not be put off.

How do you remove a transmission speed sensor?

Remove the mounting bolts to the speed sensor. Unplug the harness from the sensor. Note: The mounting bolts that secure the drive shaft to the rear axle may have hex, allen, or torx heads. Step 5: Use a flat tip screwdriver and pop out the sensor. Keep in mind that about one quart of transmission fluid will leak out when you remove it.

How do you replace a transmission speed sensor?

Step 2: Secure the wheels. Place wheel chocks around the tires that will remain on the ground. In this case, place the wheel chocks around the front tires since the rear of the vehicle will be lifted up. Engage the parking brake to the lock the rear tires from moving. Step 3: Install a nine volt battery saver into your cigarette lighter.

How much does it cost to replace wheel speed sensor?

Transmission speed sensors tend to cost around the same. Labor varies depending on the engine type, as some sensors are more accessible than others. If your mechanic needs to drop the transmission to replace a transmission sensor, you’re looking at bill around $800-1,000. Wheel speed sensors are generally pretty accessible and easy to replace.

How are speed sensors connected to the engine?

Both sensors are constantly communicating with the engine control unit of the vehicle. The information the engine control unit receives from these sensors will allow it to take the appropriate actions with the functioning of the engine and transmission.

Where is the speed sensor on a transaxle?

For transaxles, the speed sensor is located on the long side of the output shaft. This would be the end of the transaxle that faces the front of the engine. Step 1: Install the new sensor. Make sure that new o-ring is on the new transmission speed sensor. Install the new sensor into the output shaft housing.

What to do if your transmission speed sensor is not working?

If your vehicle does not register the speed even after replacing the transmission speed sensor, then further diagnosis of the speed sensor may be necessary. If the problem persists, then you should seek out help from one of the certified technicians at YourMechanic and get the transfer case inspected.

Where is the speed sensor on my car?

Crawl under and locate the vehicle speed sensor. This sensor will be located on the bottom of the transmission. It may be in the rear or on either side. However, it will resemble a small plug emerging from the transmission with an electrical cord connected to it.

Chevrolet Silverado 1999-2006: How to Replace 4WD Vehicle Speed Sensor (VSS) Step 1 – Remove the old VSS. The VSS is located on the front passenger’s side of the transfer case. Pull back on the… Step 2 – Install the new VSS. Thread in the new VSS by hand. A new O-ring should already be attached to

When to replace the speedometer in your car?

If you notice that the speedometer does not work any longer, replace the vehicle speed sensor as it is the most likely cause. It is important to make sure that you purchase the correct vehicle speed sensor for your car.

Crawl under and locate the vehicle speed sensor. This sensor will be located on the bottom of the transmission. It may be in the rear or on either side. However, it will resemble a small plug emerging from the transmission with an electrical cord connected to it.

Where is the speed sensor adapter located on a car?

Thanks in advance for any insight. I found a wiring diagram that shows the entire engine wiring better that indicates that the “Vehicle Speed Sensor Adapter” is located on the left side of the transmission.

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Ruth Doyle