Cadillac CT6 2016-2018 Service Repair Manual

Cadillac CT6 including Hybrid repair and maintenance manual. Repair of the Engine, Transmission, suspension, Diagnostics and troubleshooting, Error codes and their interpretation. System Wiring Diagams PDF Free Download

Cadillac CT6 2016-2018 Service Workshop Manual including Hybrid

General & Service Information Download
Automatic Stop/Start Disable Download
Canadian-To-U.S. Model Reference Tables Download
Common Specs and Procedures Download
DTC Index Download
Emission Applications Download
Reminder Indicator Reset Procedure Download
Traction Control Download
Uniform Inspection & Communication Standards Download

Engine Mechanical – 2.0L (LTG) Download
Engine Mechanical – 3.0L (LGW) or 3.6L (LGX) Download
Exhaust Download
Engine Heating and Cooling Download

Engine Controls and Fuel – 2.0L (LTG) Download
Engine Controls and Fuel – 3.0L (LGW) or 3.6L (LGX) Download
Firing Order & Cylinder Identification Download
Mode 6 – GMLAN Download

Automatic Transmission – 4EL70 (MRD) Download
Automatic Transmission – 8L45 (M5N) or 8L90 (M5X) Download
Shift Lock Control Download
Transfer Case – MP 3713G Download
Transmission Cooling Download

Front Drive Axle Download
Propeller Shaft Download
Rear Drive Axle Download
Wheel Drive Shafts Download

Power Steering Download
Rear Wheel Steering Download
Steering Wheel and Column Download

Antilock Brake System – Hybrid (HP9) Download
Antilock Brake System Download
Disc Brakes Download
Hydraulic Brakes Download
Park Brake Download

Suspension General Diagnosis Download
Cadillac Wheel Alignment Specifications Download
Wheel Alignment Download
Electronic Suspension Control Download
Front Suspension Download
Rear Suspension Download
Tire Pressure Monitor System (TPMS) Download
Tire Pressure Monitoring Download
Tires and Wheels Download

Active Noise Cancellation Download
Air/Wind Noise Download
Bolted Exterior Body Panels and Closures Download
Bumpers and Fascias Download
Cellular, Entertainment and Navigation Download
Cruise Control Download
Data Communications Download
Displays and Gauges Download
Exterior Trim Download
Fixed and Moveable Windows Download
Floor Coverings and Headlinings Download
Frame and Underbody Download
Horns and Pedestrian Alerts Download
Immobilizer Download
Instrument Panel and Console Trim Download
Interior Trim and Paneling Download
Lighting Download
Mirrors Download
Object Detection and Pedestrian Protection Download
Paint and Coatings Download
Pedestrian Protection Download
Power Seats Download
Programming and Setup Download
Remote Functions Download
Seat Hardware, Trim and Upholstery Download
Seat Heating and Cooling Download
Secondary and Configurable Customer Controls Download
Squeaks and Rattles Download
Sunroof Download
Theft Deterrent Download
Vehicle Access Download
Waterleaks Download
Wipers and Washers Download

HVAC – Automatic Download
Heating, Ventilation and Air Conditioning Download

Seat Belts Download
Supplemental Restraints Download

12 V Starting and Charging – Hybrid (HP9) Download
12 V Starting and Charging Download
Component Connector End Views Download
Description and Operation Download
Diagnostic Information and Procedures Download
Door Component Views Download
Electrical Center Identification Views Download
Front of Vehicle/Engine Compartment Component View Download
Ground Views Download
Hybrid / EV Controls Download
Hybrid / EV Energy Storage Download
Hybrid / EV System Heating and Cooling Download
Inline Harness Connector End Views (Index) Download
Inline Harness Connector End Views Download
Instrument Panel / Center Console Component Views Download
Luggage Compartment / Rear of Vehicle Component Views Download
Master Electrical Component List Download
Passenger Compartment / Roof Component Views Download
Plug-In Charging Download
Power Outlets Download
Powertrain Component Views Download
Repair Instructions Download
Schematic Wiring Diagrams Download
Special Tools and Equipment Download
Fastener Specifications Download
Wheels / Vehicle Underbody Component Views Download


Cadillac CTS/CTS-V Owners Manual 

Cadillac CT6

Problems and weaknesses of the Cadillac Ct6

  • poor quality paintwork, scratches easily
  • premature wear of standard thrust bearings
  • flimsy stock steering knuckles
  • electrical error, intermittent trunk lock failures
  • rear window heating problem
  • very fragile front suspension
  • tire sensors unstable
  • frequent short circuit of window motors
  • very slow heated seats
  • longitudinal play of the right drive
  • uncomfortable trunk

Appearance CT6, decided in the corporate style of Art & Science, delights and at the same time somewhat suppresses. In the strict lines of the body, a huge shield of the radiator grille and arrow-shaped optics diodes, imperial notes sound. Of the exterior features, I note a relatively small ground clearance (140 mm), which will decrease by another couple of centimeters if the interior and luggage compartment of 433 liters are filled, wide and light aluminum doors, as well as a silhouette with a huge hood and a cabin shifted back.


This “constitution” is typical for rear-wheel drive executive cars, and the CT6 fits perfectly into the pool of these cars. It is built on the Omega rear-wheel drive platform and can be supplemented with plug-in all-wheel drive, which is offered by default on the Russian market.


Inside you find yourself in the realm of leather, wood, soft plastics and aluminum. This premium entourage is quite organically combined with hi-tech: multimedia is controlled not only through the touch screen with a diagonal of 10.2 inches, but also from the touchpad on the central tunnel, which clearly, without hesitation and “sticking”, is triggered by scrolling and pressing gestures. Digital “tidy” is easy to adjust for yourself. There is also a night vision system that displays images of pedestrians on the instrument panel, a digital mirror that broadcasts a video stream behind the car, a rear-view camera with a wide-angle picture and twin panoramic sunroofs. And how do you like the premium Bose Panaray audio system with 34 (!) Speakers, delivering sound of amazing depth.


But the sports notes, clearly sounding in the exterior, seem to be muffled in the interior design. Take at least the front seats. Lateral support is present, but the rollers are spaced very widely, with an eye on riders “in the body.” The four-spoke steering wheel is large in cross section and diameter. But the chairs can be adjusted in 20 parameters (the setting keys are placed on the door cards, as in Mercedes-Benz) and they have a massage function. Behind, the only thing missing is an ottoman chair, otherwise the functionality is more than solid: two displays that slide out of the backs of the front seats, two additional climate control zones, electrically adjustable curtains, personal headphones.


Driving the CT6 in the city is like navigating a yacht out of a cramped harbor into the ocean. At first it seems that it will be problematic to fit a car more than five meters long into the narrow vents of yards and maneuver in a limited area. But in practice, everything is different. The sedan is distinguished by maneuverability, and to the greatest extent this applies to cars in top trim levels that are equipped with the Active Rear Steer rear wheel steering system, which reduces the turning circle from 12.2 in the basic modification to 11.3 m. sector 10.2-inch touch screen.


It displays an image of the car from a bird’s eye view. At night, it is difficult to overestimate the help of the night vision system (draws pictograms of pedestrians on the “tidy”), as well as the salon mirror, on which the video stream is broadcast. At night and in bad weather, the picture in such an electronic mirror is better and clearer than in a classic mirror element. But if you’re a conservative, please flip the switch and the back view will become “like everyone else”, traditional.


The three-mode adaptive Magnetic Ride Control suspension masterfully smooths out bumps of various calibers in Ride mode, but vertical buildup becomes noticeable on asphalt waves in the suburbs. The amplitude of oscillation, however, is small, and in the “Sport” mode, when the chassis is clamped, these nods completely disappear.


The drive scheme with a 3.6-liter 335-horsepower V6 gasoline, 8-band “automatic” and plug-in all-wheel drive allows the CT6 to go powerfully and quickly, but for a number of reasons you don’t want to do this. Firstly, driving in active mode will instantly raise fuel consumption to 20 l / 100 km, despite the effective system of deactivating some of the cylinders at low loads and the Auto Start-Stop function.


Although on a straight highway at a steady 90 km / h, I easily brought down the consumption to a surprisingly low 7 liters per 100 km for such an engine. As you can see, the frequency of arrivals at gas stations directly depends on your routes and driving style. The CT6, with its solid dynamic potential, is conceived for something else: you get pleasure in it not so much from accelerating dynamics, but from the talent of this car to “eat up” distances. I went to the track, pressed the “gas” – and you can relax. The car stands on the road like a glove, the noise isolation is excellent (trying to hear a person from the street through closed windows is useless), an arsenal of electronic assistants (collision avoidance and automatic braking system, adaptive cruise control, lane control function, lane change assistant) takes care of your safety and saves strength.

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