Standard Ignition TCS278 Automatic Transmission Control Solenoid

Overview of Standard Ignition Automatic Transmission Control Solenoid

The Standard Ignition TCS278 automatic transmission control solenoid is engineered for reliable performance in select Subaru models. Designed to meet OEM specifications, this solenoid ensures precise control of transmission fluid flow for smooth gear shifts in Subaru Forester, Impreza, and Legacy vehicles.

• Connector Gender: Female
• Terminal Gender: Male
• Attachment Method: Push on
• Connector Quantity: 1 with Square Shape
• Includes One Metal Solenoid with Blade Terminal
• Gaskets Included for Proper Sealing
• No Hardware or Mounting Brackets Included
• Single Terminal and No Wiring Harness Included

Detailed Product Description

The TCS278 automatic transmission control solenoid from Standard Ignition is constructed from durable metal to withstand the demanding environment inside the transmission system. Featuring a female connector and a single square-shaped connector, it uses a push-on attachment method for secure and straightforward installation. The solenoid includes one blade-type male terminal, ensuring compatibility with the vehicle’s wiring system. Gaskets are included to maintain a proper seal and prevent fluid leaks, although mounting brackets and hardware are not part of the package. This solenoid is specifically designed for use in Subaru Forester, Impreza, and Legacy models, providing precise control of hydraulic pressure to facilitate smooth automatic transmission operation.

Common Applications and Issues Addressed

• Helps resolve erratic or delayed gear shifting in Subaru Forester, Impreza, and Legacy
• Addresses transmission slipping or failure to engage gears properly
• Prevents transmission overheating caused by improper fluid control
• Eliminates harsh or rough shifting symptoms
• Supports overall transmission system reliability and longevity

Installation Notes and Tips

Installation of the Standard Ignition TCS278 solenoid requires basic mechanical skills and appropriate tools. Ensure the vehicle is safely lifted and the transmission fluid is drained before removal of the old solenoid. The push-on connector and blade terminal simplify electrical connections, but verify the connector is fully seated to avoid transmission control issues. Replace included gaskets to maintain a proper seal and prevent leaks. Since no mounting hardware or brackets are included, reuse existing components or source compatible parts as needed. Always consult the vehicle’s service manual for torque specifications and detailed installation procedures.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The TCS278 automatic transmission control solenoid undergoes rigorous quality control testing to verify fit, form, and function. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship. Refer to the product documentation or manufacturer’s website for exact warranty terms.