Standard Ignition SC638 Automatic Transmission Input Shaft Speed Sensor

Overview of Standard Ignition SC638 Transmission Sensor

The Standard Ignition SC638 is an automatic transmission input shaft speed sensor designed specifically for Chevrolet Spark models. This sensor plays a critical role in monitoring the input shaft speed to ensure smooth transmission operation and accurate vehicle performance.

• Connector Gender: Female
• Connector Quantity: 1
• Connector Shape: Oval
• Connector Type: Plug in
• Mounting Location: On transmission
• Mounting Type: Bolt mount
• Terminal Gender: Male
• Terminal Quantity: 3
• Terminal Type: Blade

Detailed Product Description

The Standard Ignition SC638 automatic transmission input shaft speed sensor is engineered to provide reliable and precise input shaft speed data for Chevrolet Spark vehicles. Featuring a female oval plug-in connector with a single connection point, this sensor ensures secure electrical contact. It mounts directly on the transmission using a bolt mount system, providing stable and accurate positioning. The sensor terminals are male blade types, with three terminals to facilitate proper signal transmission and communication with the vehicle’s transmission control module.

Common Applications and Issues Addressed

• Helps prevent erratic shifting and transmission slipping
• Resolves inaccurate speedometer readings related to transmission input speed
• Eliminates transmission warning lights caused by faulty input shaft speed data
• Improves overall transmission performance and responsiveness
• Supports proper operation of automatic transmission systems in Chevrolet Spark models

Installation Notes and Tips

• Ensure the vehicle is safely lifted and supported before accessing the transmission
• Disconnect the battery to prevent electrical shorts during installation
• Locate the existing input shaft speed sensor on the transmission and remove mounting bolts
• Carefully unplug the female oval connector and replace with the Standard Ignition SC638 sensor
• Secure the sensor with the bolt mount and reconnect the electrical connector firmly
• Test the vehicle to confirm proper sensor operation and transmission response

Quality Assurance and Warranty

Standard Ignition parts, including the SC638 automatic transmission input shaft speed sensor, are manufactured to meet or exceed OEM specifications. This sensor undergoes rigorous quality control to ensure durability and reliable performance in Chevrolet Spark vehicles. Warranty coverage details are provided by Standard Ignition and typically include protection against defects in materials and workmanship for a specified period.