Gates EHV136 HVAC Heater Control Valve

Gates EHV136 Electric Heater Control Valve

The Gates EHV136 electric heater control valve regulates coolant flow through the heater core to help control passenger cabin temperature. It also supports thermal management in electrified vehicle systems where electric coolant valves are used to manage heating and cooling functions.

Key Features

• OE Exact comparison rating for direct replacement confidence
• Plastic valve body for HVAC coolant routing applications
• 1 inlet and 2 outlets with 22 mm inlet and 20 mm outlet diameters
• Male electrical connector and male terminal gender
• Contents include a coolant control valve and heater control valve
• Fits 2018 Cadillac CT6, N/A; Fits 2017 Cadillac CT6, N/A; Fits 2016-2018 Chevrolet Volt, N/A

Detailed Description

Built for HVAC temperature control systems, the Gates EHV136 is an electric heater control valve that manages coolant flow to the heater core and, in electrified platforms, supports battery thermal management. This part number is listed for 2018 Cadillac CT6, 2017 Cadillac CT6, and 2016-2018 Chevrolet Volt applications, making it a direct-fit option for owners searching for an electric heater control valve for Cadillac CT6 or Chevrolet Volt service. The EHV136 uses a single inlet with dual outlets and OE Exact comparison rating to match the original valve layout and connection style.

Gates Electric Heater Control Valve products focus on precise coolant routing for modern thermal systems. For buyers comparing Gates EHV136 against OE-style replacements, this line addresses both passenger comfort and vehicle thermal control needs in vehicles that rely on electronically controlled coolant flow.

This part cross-references GM 23187581 for the same application.

What It Helps Address

• Inconsistent cabin heat from restricted heater-core coolant flow
• Temperature control issues caused by a failed electric coolant valve
• HVAC performance problems in Cadillac CT6 and Chevrolet Volt applications
• Thermal management faults in electrified vehicle coolant circuits
• Coolant routing concerns where the original valve no longer responds correctly

Installation Notes and Tips

Verify inlet and outlet sizes before installation: 22 mm inlet and 20 mm outlets. Confirm the male electrical connector matches the vehicle harness and compare the original valve orientation and hose routing before removal. After installation, refill and bleed the cooling system according to the vehicle service procedure to remove trapped air and restore proper heater operation.

Quality Assurance

The Gates EHV136 is an OE Exact comparison part built for direct replacement use in supported Cadillac and Chevrolet applications. Gates is a recognized name in automotive thermal and fluid control components, and this valve is specified to match the original fit and function for the listed vehicles.