6L45 2014-2015 Cadillac CTS 2.0L AWD/4WD – Remanufactured 6-Speed Automatic Trans

Description

Propel loaded 2.0-liter turbocharged executive sedans through demanding winter weather transit routes using a deep 4.06:1 gear multiplication profile and 240 PSI operating circuits with the Cadillac CTS 6L45 AWD Transmission engineered for 2014 to 2015 Cadillac CTS 2.0-liter all-wheel-drive platforms. This replacement transmission unit eliminates torque converter shudder and restores instantaneous gear selection.

The casing utilizes high-density die-cast aluminum to isolate internal gear sets from drivetrain flex during hard vehicle acceleration. Hard-anodized Sonnax sleeves restore worn hydraulic bores in the valve body to stop cross-channel fluid leakage. Driveline hardware includes quick-connect cooler fittings, an 11.0-inch torque converter bolt circle, and an unladen dry weight of 185 lbs. Total transmission fluid capacity holds 9.7 quarts of DEXRON-VI synthetic automatic transmission fluid.

Key Features of Cadillac CTS 6L45

Fleet maintenance managers buy Cadillac CTS 6L45 AWD transmission packages to eliminate vehicle downtime during rigorous commercial transport routes. Every remanufactured unit undergoes thorough dynamometer testing under load to confirm internal hydraulic pressures and solenoid shift execution.

• 245 PSI main line pressure calibration maintains firm clutch pack clamp force across all forward gears.
• 6 computer-controlled forward gear speeds optimize engine torque output from low idle speeds up to highway cruising.
• 5 carbon-metallic friction plates per pack prevent clutch slippage under severe thermal stress.
• 0.0016-inch gear tooth runout tolerances on planetary gear sets minimize gear whine and driveline vibration.
• 185 lbs bare casing weight fits original equipment transmission tunnel mounts without chassis alteration.
• Pulse-width modulated shift solenoids respond within 40 milliseconds to execute instant electronic gear changes.
• Balanced remanufactured torque converter eliminates rotational vibration across all operating engine speeds.

AWD Turbo Torque Parameters

Operating line pressures range from 215 to 285 PSI to lock internal clutch frictions without hesitation. The internal gear set provides a 4.06:1 first gear ratio for initial launch, stepping down through intermediate gears to a 0.67:1 overdrive ratio. Continuous input torque capacity peaks at 330 lb-ft at 3,500 RPM under severe commercial fleet duty cycles. Auxiliary cooler circuits disperse 440 BTU per minute of heat energy to hold operating sump temperature between 160°F and 190°F.

Transfer Case Spline Interface

The rear transmission output shaft connects directly to the all-wheel-drive transfer case via a 27-tooth precision spline profile. Output flange dial indicator runout measures less than 0.0014 inches total indicator reading to stop center bearing vibration. An internal mechanical parking pawl mechanism holds up to 1,300 lb-ft of static driveline reverse torque on steep ramps.

AWD Electronic Adaptation Protocol

Technicians must execute transmission control module electronic adaptation drive cycles after installation to calibrate pulse-width modulated solenoids to factory shift timings. Magnetic fluid pan inspection maintains long-term transmission fluid purity during high-mileage fleet operations. This remanufactured drivetrain is not engineered for track drag racing, extreme rock crawling, or gross combined vehicle weights exceeding factory chassis tow limits.

• Verify transmission fluid level through the side inspection port each shift during initial fleet break-in.
• Flush auxiliary oil cooler lines and replace pan filter media every 30,000 miles of operation.
• Inspect cooler port fittings and external rubber mounting bushings every 12 months for physical wear.

AWD Sedan Warranty Manifest

Each unit includes a 3-Year / 100,000-Mile commercial fleet warranty covering internal mechanical components against defect. The heavy-duty crated package contains one remanufactured transmission unit, a precision balanced torque converter, replacement cooler line seal washers, an installation instruction guide, and a signed dynamometer inspection sheet.