Dorman 917-655 Automatic Transmission Speed Sensor - Output

Overview of Dorman Automatic Transmission Speed Sensor 917-655

The Dorman 917-655 Automatic Transmission Speed Sensor is designed to provide accurate speed data for automatic transmissions in select Ford, Lincoln, and Mercury vehicles. This sensor is essential for maintaining proper transmission function and ensuring smooth vehicle operation.

• Includes 1 automatic transmission speed sensor per package
• Compatible with multiple Ford, Lincoln, and Mercury models including Crown Victoria, E-150 series, F-150, Mustang, and more
• OEM-quality fit and function for reliable performance
• Part number 917-655 ensures correct replacement for specified vehicles

Detailed Product Description

The Dorman 917-655 speed sensor is engineered to monitor the rotational speed of the transmission output shaft. This data is critical for the vehicle’s transmission control module to regulate shifting and maintain optimal performance. Designed specifically for automatic transmissions, this sensor supports a range of Ford, Lincoln, and Mercury vehicles such as the Ford Crown Victoria, E-150 Econoline, F-150, Lincoln Town Car, and Mercury Grand Marquis. The package contains one speed sensor, making it a direct replacement part that meets or exceeds original equipment specifications.

Compatible Vehicles and Applications

This automatic transmission speed sensor is compatible with the following makes and models:

• Ford Crown Victoria
• Ford E-150, E-150 Club Wagon, E-150 Econoline, E-150 Econoline Club Wagon
• Ford E-250, E-250 Econoline
• Ford E-350 Club Wagon, E-350 Econoline Club Wagon, E-350 Super Duty
• Ford Econoline series
• Ford Expedition
• Ford F-150
• Lincoln Grand Marquis, Town Car
• Mercury Marauder, Grand Marquis
• Ford Mustang

Common Issues Addressed by the Speed Sensor

• Erratic or harsh automatic transmission shifting
• Transmission slipping or failure to shift properly
• Speedometer malfunction or inaccurate speed readings
• Check engine light triggered by transmission speed sensor faults
• Transmission control module errors related to speed sensor input

Installation Notes and Tips

• Ensure the vehicle is safely supported and the transmission is cool before installation
• Disconnect the battery to prevent electrical shorts during replacement
• Locate the existing speed sensor on the transmission output shaft housing
• Remove the old sensor carefully to avoid damage to the wiring harness or transmission components
• Install the Dorman 917-655 sensor securely and reconnect all electrical connectors
• Clear any diagnostic trouble codes after installation and test drive to confirm proper operation

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, ensuring reliable fit and function. The 917-655 Automatic Transmission Speed Sensor undergoes rigorous quality control testing to provide consistent performance. This part is backed by Dorman’s limited warranty, covering defects in material and workmanship under normal use conditions.