Four Seasons 20036 Engine Cooling Fan Switch

Reliable Engine Cooling Fan Switch for Audi and Volkswagen

The Four Seasons Temperature Switch 20036 is designed to maintain optimal engine temperature by controlling the cooling fan operation. Engineered for select Audi and Volkswagen models, this temperature switch ensures precise fan activation and deactivation based on radiator temperature.

• Compatible with Audi A8, A8 Quattro, Volkswagen EuroVan, and Vanagon
• Temperature switch with M22 x 1.50 fitting thread
• Brass construction for durability and corrosion resistance
• Three-terminal male rectangular white connector
• Fan opens at 197-206°F and closes at 179-188°F
• Meets or exceeds OEM specifications

About the Four Seasons Temperature Switch Product Line

The Four Seasons Temperature Switch line focuses on precision temperature control components for engine cooling systems. This product line includes switches designed to activate or deactivate cooling fans at specific temperature thresholds, helping maintain engine efficiency and prevent overheating. The 20036 switch is part of this line, offering reliable performance and compatibility with various Audi and Volkswagen vehicles.

Detailed Product Description

The Four Seasons 20036 Engine Cooling Fan Switch is a temperature-activated switch mounted on the radiator. It features a durable brass body with an M22 x 1.50 fitting thread size, ensuring a secure and leak-free installation. The switch uses a three-terminal male connector with a rectangular white housing, designed for straightforward electrical connections. It operates by opening the fan circuit at temperatures between 197 and 206 degrees Fahrenheit and closing it between 179 and 188 degrees Fahrenheit, providing accurate fan control to maintain optimal engine temperature.

Common Applications and Issues Addressed

• Prevents engine overheating by regulating cooling fan operation
• Replaces faulty or worn temperature switches causing fan failure
• Restores proper fan cycling in Audi A8, A8 Quattro, Volkswagen EuroVan, and Vanagon
• Eliminates intermittent fan operation due to connector or switch wear
• Ensures consistent engine temperature management for improved performance

Installation Notes and Tips

• Ensure the radiator mounting location is clean and free of debris before installation
• Use appropriate tools to avoid damaging the M22 x 1.50 fitting thread
• Verify connector polarity and secure the three-terminal male connector firmly
• Check for coolant leaks after installation and during initial engine operation
• Consult vehicle service manual for specific torque specifications and procedures

Quality Assurance and Warranty

The Four Seasons Temperature Switch 20036 meets or exceeds OEM standards for fit, form, and function. Manufactured with high-quality brass material, it offers durability and resistance to corrosion. This part is backed by Four Seasons' quality assurance protocols, ensuring reliable performance in compatible Audi and Volkswagen models. Warranty details are provided by Four Seasons and should be confirmed at the time of purchase.