Transmission Solenoid For CRUZE 6T40 6T45E EPICA LACETTI ASTRA ANTARA SAAB 9'4

Description:

The Transmission Solenoid for GM 6T40 / 6T45E is used in automatic transmission valve body systems to regulate hydraulic fluid flow for gear shifting, torque converter clutch engagement, and line pressure control. Commonly installed in Chevrolet Cruze, Malibu, Epica, Lacetti, Opel Astra, Antara, and Saab 9-3/9-4X vehicles equipped with GM 6-speed automatic transmissions where electronic solenoid control is required for smooth shift performance and adaptive transmission operation. Transmission technicians, rebuild specialists, and automotive repair shops use this solenoid for valve body repair, shift quality restoration, diagnostic fault correction, and replacement of failed or sticking solenoids in 6T40/6T45E transmissions.

Applications:

The 6T40 / 6T45E transmission solenoid is commonly used in transverse FWD and AWD vehicles including Chevrolet Cruze, Malibu, Equinox, Opel Astra, Antara, Saab 9-4X, and related GM platforms where hydraulic control of gear selection, pressure modulation, and torque converter lock-up is required to maintain drivability, fuel efficiency, and transmission durability under varying load and driving conditions.

Technical Specifications:

• Manufacturer: OEM 
• Model / Part number: 6T40 / 6T45E transmission solenoid (valve body assembly type)
• Product type: Automatic transmission solenoid assembly
• Transmission type: GM 6T40 / 6T45E 6-speed automatic transaxle
• Vehicle compatibility: Chevrolet Cruze, Malibu, Epica, Lacetti, Opel Astra, Antara, Saab 9-4X (application dependent years)
• Function: Hydraulic shift control, EPC pressure regulation, torque converter clutch control
• Operating voltage: 12V DC
• Construction: Electromagnetic solenoids integrated into valve body assembly
• Mounting: Transmission valve body internal installation
• Fluid type: Automatic transmission fluid (DEXRON VI)
• Control type: ECU-controlled PWM and on/off solenoid operation
• Application environment: Automotive automatic transmission hydraulic system
• Configuration: Multi-solenoid pack (shift and pressure control solenoids depending on version)

Common Replacements:

• GM OEM 6T40/6T45E solenoid body assembly (updated revision)
• Aisin / GM remanufactured 6-speed transmission valve body solenoid pack
• Dorman transmission solenoid kit for GM 6T40/6T45E applications