Cadillac CTS 2014-2015 Automatic Transmission 6-Speed 6L45 6.2L RWD Remanufactured

Strict OEM remanufacturing engineering standards restore heavy-duty drivetrain integrity to your high-displacement Cadillac. This remanufactured CTS 6L45 transmission tag 12811T matches 2014 to 2015 rear-wheel-drive 6.2L applications. Technicians must perform a chemical cooler line flush and clear transmission shift adaptations before putting the vehicle into road service to protect internal hydraulic controls under load.

Shot-peened A380 die-cast aluminum forms the longitudinal transmission casing, inspected for stress cracks along mounting bosses using fluorescent dye penetrant. Hardened planetary pinions handle continuous high-displacement V8 torque without tooth deflection. Rebuilders install oversized pressure regulator valves, heavy-gauge 1-2-3-4 wave plates, Kolene steel plates, and Raybestos GPZ friction packs. Replaced pump bushings maintain stable line pressure. The dry unit weighs 190 lbs and ships inside a 36 by 24 by 22 inch crate.

Key Features of GM 6L45

Technicians buy GM 6L45 transmissions to stop harsh shift clunks and broken wave plates without paying steep local dealership pricing. This commercial remanufactured transmission assembly ensures positive torque multiplication and durable line pressure control for Cadillac CTS transmission replacement projects.

- Hardened 1-2-3-4 clutch wave plate prevents fatigue failure and clutch drum destruction.
- Oversized pressure regulator valve sleeve prevents line pressure instability and harsh shifts.
- Vacuum testing proves 22 inHg retention across all reamed valve bores.
- Balanced torque converter stops drivetrain shudder while protecting internal pump gears from wear.
- Raybestos GPZ high-energy frictions resist high heat glaze during demanding highway driving.
- Hardened output shaft splines handle full throttle acceleration without tooth twist or stripping.
- New solenoid pack guarantees factory 20 ms line pressure modulation in all forward gears.

SuperFlow Dynamometer Load Test Telemetry

Technicians test every remanufactured 6L45 transmission on a SuperFlow dynamometer through cold start and high temperature cycles. Telemetry confirms main line pressure reading 180 PSI in Drive and 240 PSI in Reverse at 1600 RPM. Electronic pressure control solenoids react within 20 ms with zero mechanical spool sticking. Calibrated vacuum gauges register 22 inHg across all hydraulic control passages. Automated testing logs zero lockup clutch slip under simulated high-load road conditions. Fluid temperature sensors confirm normal thermal equilibrium without internal fluid bypass leaks.

Field Assembly Rules Application Limits

Seat the torque converter inward with three distinct clicks until the hub drops well past the bellhousing mating surface. Never force the transmission against the engine block using bellhousing bolts. Do not buy this factory-calibrated unit for turbo track racers, drift builds, or vehicles with altered final-drive differentials.

- Flush cooler lines with hot pressurized solvent to clear metallic clutch debris from previous failures.
- Fill with approved Dexron VI fluid at 40°C pan temperature.
- Perform an electronic adaptation reset procedure using a professional scan tool before road testing.

Warranty Terms Shipping Contents Details

This remanufactured assembly includes a nationwide 3-Year/100,000-Mile warranty covering mechanical breakages and hydraulic valve body failures. The reinforced wooden crate contains a balanced torque converter, step-by-step installation instructions, dynamometer test pass printout, cooler flush verification card, and a pre-paid core return freight bill for easy transport.