Trans Cooler Bypass Thermal Valve for Chevy Silverado GMC Sierra Cadillac 14 20

Product Overview

The Trans Cooler Bypass Thermal Valve controls the flow of transmission fluid to the external cooler based on temperature. When the fluid reaches operating temperature, the valve opens to prevent overheating during towing and heavy use. Designed for 2014-2020 Silverado, Sierra, and Cadillac vehicles experiencing transmission temperature issues or a stuck factory bypass.

Key Features & Performance

• Opens automatically at operating temperature to route fluid to the cooler
• Direct-fit design installs in the transmission cooler line without modification
• Prevents transmission overheating and fluid degradation under load
• Restores proper cooler flow after a factory valve sticks closed
• Durable construction with corrosion-resistant materials for long service life
• Maintains optimal transmission temperature during towing, hauling, and stop-and-go driving

Fitment & Compatibility

• 2014-2020 Chevrolet Silverado 1500 (incl. LD models)
• 2014-2020 GMC Sierra 1500 (incl. Limited models)
• 2015-2020 Cadillac Escalade
• 2016-2019 Cadillac CTS / CT6

Common Uses

• Replacing a failed or stuck thermal bypass valve causing transmission overheating
• Restoring proper fluid circulation to the external transmission cooler
• Preventing transmission fluid breakdown during heavy towing and hauling
• Use on fleet vehicles, work trucks, and daily drivers requiring reliable transmission cooling

Technical Specifications

• Part Type: Transmission cooler bypass thermal valve
• Compatible Transmissions: GM 6L80 / 6L90 6-speed automatic
• Function: Regulates fluid flow to external transmission cooler

Frequently Asked Questions

Q: How can I tell if my factory thermal bypass valve is stuck? A: Symptoms include transmission overheat warnings, erratic shifting, or fluid temperature spikes above 230°F even under normal driving.

Q: Does this valve require any special tools for installation? A: Installation is straightforward with basic hand tools and typically takes under 30 minutes once the transmission cooler line is accessible.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.