Strict OEM remanufacturing engineering standards restore six-speed drivetrain integrity to your all-wheel-drive luxury sedan. This remanufactured Cadillac CTS 6L50 AWD transmission matches 2009 models with 3.6L LLT direct-injection engines. Technicians must perform a chemical cooler line flush and clear transmission shift adaptations before putting the vehicle into road service to protect internal clutch controls.

Shot-peened A380 die-cast aluminum forms the heavy longitudinal casing, inspected for stress cracks along transfer case mounting flanges using fluorescent dye penetrant. Hardened planetary pinions handle continuous 3.6L V6 direct-injection torque without tooth deflection. Rebuilders install updated heavy-duty 1-2-3-4 clutch wave plates, reamed PR valve sleeves, Kolene steel plates, and Raybestos GPZ friction packs. Replaced pump bushings maintain stable line pressure. The dry unit weighs 215 lbs and ships inside a 38 by 26 by 24 inch crate.

Key Features of GM 6L50

Technicians buy GM 6L50 transmissions to stop harsh shift clunks and broken clutch 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 all-wheel-drive replacement projects.

- Heavy-duty 1-2-3-4 clutch wave plate prevents stress fracture and catastrophic drum housing failure.
- Upgraded pressure regulator valve sleeve eliminates line pressure spikes inside the valve body.
- Vacuum testing proves 22 inHg retention across all reamed spool 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 transfer case adapter splines prevent tooth strip failure under full throttle acceleration.
- Pre-tested internal TEHCM solenoid module delivers factory 20 ms line pressure modulation in all gears.

SuperFlow Dynamometer Load Test Telemetry

Technicians test every remanufactured 6L50 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 CTS-V supercharged track racers or custom engine swaps.

- Flush cooler lines with hot pressurized solvent to clear metallic clutch debris from previous failures.
- Fill with Dexron VI fluid until it spills from the check port 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.