APDTY 028720 Transmission Output Speed Sensor Instruction Manual

1. Introduction

This manual provides essential information for the APDTY 028720 Transmission Output Speed Sensor. It covers product overview, compatibility, installation guidelines, operational principles, maintenance, troubleshooting, and technical specifications. Please read this manual thoroughly before installation or use to ensure proper function and safety.

2. Product Overview

The APDTY 028720 is a brand new transmission output speed sensor designed for 5-speed automatic transmissions. This sensor plays a critical role in your vehicle's transmission system by monitoring the rotational speed of the transmission's output shaft. This data is then sent to the vehicle's engine control unit (ECU) or transmission control unit (TCU) to facilitate proper gear shifting and speedometer operation.

OEM Part Number: XW4Z7H103AA

Figure 1: Angled view of the APDTY 028720 Transmission Output Speed Sensor, showing its overall shape and mounting point.

Figure 2: Side view of the APDTY 028720 Transmission Output Speed Sensor, highlighting the electrical connector and sensor tip.

3. Compatibility

This transmission output speed sensor is compatible with select Ford, Lincoln, and Mercury vehicles equipped with a 5-speed automatic transmission. Please verify exact fitment with your vehicle's specifications before installation.

• 2002-2010 Ford Explorer (5 Speed Automatic Transmission)
• 2007-2010 Ford Explorer Sport Trac (5 Speed Automatic Transmission)
• 2005-2010 Ford Mustang (5 Speed Automatic Transmission)
• 2002-2005 Ford Thunderbird (5 Speed Automatic Transmission)
• 2003-2005 Lincoln Aviator (5 Speed Automatic Transmission)
• 2002-2006 Lincoln LS (5 Speed Automatic Transmission)
• 2002-2010 Mercury Mountaineer (5 Speed Automatic Transmission)

4. Installation Guidelines

Installation of automotive sensors can be complex. It is recommended that this component be installed by a qualified automotive technician. Incorrect installation can lead to vehicle malfunction or damage. Always refer to your vehicle's specific service manual for detailed instructions.

General Steps:

1. Safety First: Ensure the vehicle is safely parked on a level surface with the parking brake engaged. Disconnect the negative terminal of the vehicle's battery to prevent electrical hazards.
2. Locate the Sensor: Identify the location of the transmission output speed sensor on your vehicle's transmission. This typically requires lifting the vehicle.
3. Remove Old Sensor: Disconnect the electrical connector from the old sensor. Carefully unbolt or unclip the old sensor from its mounting point. Be prepared for a small amount of transmission fluid to leak during removal.
4. Install New Sensor: Ensure the mounting surface is clean. Install the new APDTY 028720 sensor, ensuring it is properly seated and secured according to your vehicle's torque specifications.
5. Reconnect: Reattach the electrical connector to the new sensor. Reconnect the negative battery terminal.
6. Test: Start the vehicle and check for proper operation, including speedometer function and transmission shifting.

5. Operation

The transmission output speed sensor generates an electrical signal proportional to the speed of the transmission's output shaft. This signal is crucial for the vehicle's computer systems to accurately determine vehicle speed, optimize gear shift points, and manage other related functions such as cruise control and anti-lock braking systems (ABS).

6. Maintenance

Transmission output speed sensors are generally maintenance-free components. However, it is advisable to:

• Periodically inspect the sensor's wiring and connector for any signs of damage, corrosion, or loose connections during routine vehicle inspections.
• Ensure the transmission fluid level is correct and that the fluid is clean, as contaminants can sometimes affect sensor performance.

7. Troubleshooting

Symptoms of a failing transmission output speed sensor may include:

• Erratic or inoperative speedometer/odometer.
• Harsh or incorrect transmission shifting.
• Check Engine Light (CEL) illuminated on the dashboard, often accompanied by specific diagnostic trouble codes (DTCs) related to vehicle speed or transmission output speed.
• Cruise control not functioning.

If you experience these symptoms, it is recommended to have your vehicle diagnosed by a professional technician. They can use diagnostic tools to read trouble codes and perform specific tests to confirm if the speed sensor is the cause.

8. Specifications

9. Safety Information

Always prioritize safety when working on any vehicle. Failure to follow proper safety procedures can result in serious injury or damage to the vehicle.

• Wear appropriate personal protective equipment, including safety glasses and gloves.
• Ensure the vehicle is securely supported on jack stands if working underneath. Never rely solely on a jack.
• Disconnect the vehicle's battery before performing any electrical work.
• Be aware of hot engine and exhaust components.
• Keep children and pets away from the work area.

⚠ California Proposition 65 WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

10. Warranty and Support

For warranty information or technical support regarding your APDTY 028720 Transmission Output Speed Sensor, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.