Market Position:
The Cadillac DTS, positioned as a full-size luxury sedan, served as the flagship model for Cadillac during its production run. This manual targets owners and independent repair facilities seeking to maintain and repair this premium vehicle.
Competitive Analysis:
Competed with other luxury sedans of its era, such as the Lincoln Town Car, Mercedes-Benz S-Class, BMW 7 Series, and Lexus LS. Its appeal lay in American luxury, comfort, and V8 power.
Key Features:
The 4.6L Northstar V8 engine, spacious interior, comfortable ride, advanced (for its time) safety and technology features, and Cadillac's signature styling. This manual provides in-depth coverage to keep these features operational.
Systems Covered:
Engine mechanical, engine control systems (ECM/PCM), fuel system, ignition system, exhaust system, cooling system, lubrication system, transmission (automatic), drivetrain, suspension, steering, brakes (ABS, traction control), electrical system (lighting, power accessories, body control modules), climate control (HVAC), infotainment, safety systems (airbags, seat belts), body and chassis, interior and exterior trim.
Procedures Included:
All repair and service procedures from A-Z, including diagnostics, troubleshooting, routine maintenance, component replacement, adjustments, and major overhauls. Step-by-step instructions with illustrations.
Technical Depth:
Comprehensive, covering basic maintenance to advanced diagnostics and repair procedures, suitable for both DIY enthusiasts and professional technicians.
Engine Overhaul:
Detailed instructions for engine disassembly, inspection, component replacement (pistons, rings, bearings, valves, seals), and reassembly, including torque specifications and clearances.
Transmission Rebuild:
Comprehensive guide for diagnosing transmission faults, disassembling, cleaning, inspecting, and replacing internal components such as clutch packs, bands, valve bodies, and seals.
Electrical Diagnostics:
Includes wiring diagrams, fuse/relay identification, troubleshooting guides for common electrical issues, and procedures for diagnosing and repairing power windows, locks, lighting systems, and body control modules.
Suspension And Steering:
Procedures for replacing struts, shocks, ball joints, control arms, tie rods, power steering pump, and rack and pinion assembly, along with alignment specifications.
Brake System Repair:
Detailed instructions for brake pad and rotor replacement, caliper service, bleeding the brake system, and troubleshooting ABS and traction control system faults.
Diagnostic Trouble Codes DTCs:
Coverage of common DTCs, their potential causes, and diagnostic procedures, often referencing specific OBD-II diagnostic tools.
Torque Specifications:
Extensive list of torque specifications for all major fasteners and components, critical for proper assembly and safety.
Component Locations:
Diagrams and descriptions indicating the location of key components, sensors, fuses, relays, and fluids.
File Format:
PDF (compatible with Adobe Reader)
Print Quality:
High quality, printable for individual pages, chapters, or the entire manual.
Accessibility:
Downloadable to PC, Mac, tablets, and smartphones.
Delivery Method:
Instant Email Delivery upon payment confirmation.
Engine Name:
4.6L DOHC V8 (Northstar)
Engine Displacement:
4.6 liters (281 cubic inches)
Bore X Stroke:
93.0 mm x 84.0 mm (approx.)
Compression Ratio:
10.3:1 (typical for later Northstar versions)
Horsepower:
Approximately 275-292 hp (depending on specific DTS variant/year)
Torque:
Approximately 295-315 lb-ft (depending on specific DTS variant/year)
Fuel System:
Sequential Multi-Port Fuel Injection (MPFI)
Fuel Type:
Premium Unleaded Gasoline (91 octane or higher recommended)
Oil Capacity:
Approximately 4.5 quarts (4.3 liters) with filter
Recommended Oil Viscosity:
SAE 5W-30
Coolant Capacity:
Approximately 12.1 quarts (11.4 liters)
Coolant Type:
GM/Dex-Cool Orange 50/50 Antifreeze/Coolant
NHTSA Front Impact Rating:
5-star (for driver and front passenger)
IIHS Side Impact Rating:
Good (for models equipped with side airbags)
Active Features:
Anti-lock Braking System (ABS), Traction Control System (TCS), StabiliTrak Stability Enhancement System.
Passive Features:
Frontal airbags, front and rear side-curtain airbags (optional on some models), active head restraints.
Infotainment System:
Cadillac's infotainment system, typically featuring a touch screen interface, AM/FM stereo, CD player, and optional navigation system, Bose premium audio, and rear seat entertainment.
Driver Assistance:
Optional features could include parking assist sensors, rain-sensing wipers, and heated steering wheel. Adaptive cruise control was available on some models.
Connectivity:
OnStar telematics system was a prominent feature, offering services like navigation, emergency assistance, and vehicle diagnostics.
Oil And Filter Change:
Every 7,500 miles or 6 months, whichever comes first (using synthetic oil). Refer to manual for exact interval based on driving conditions.
Engine Air Filter:
Inspect every 15,000 miles, replace as needed.
Cabin Air Filter:
Inspect annually, replace as needed.
Spark Plugs:
Typically iridium plugs with a replacement interval of 100,000 miles.
Brake Fluid:
DOT 3 (or DOT 4 if specified for ABS systems)
Power Steering Fluid:
GM Power Steering Fluid
Known Issues:
Coolant leaks from intake manifold gaskets or oil cooler lines, throttle body issues, intermittent electrical problems related to body control modules, premature wear on suspension components, catalytic converter failures.
Brand Heritage:
Cadillac, an iconic American luxury marque, has a long history of producing large, comfortable, and powerful vehicles. The DTS represents the continuation of this tradition in the modern era.
Model Evolution:
The DTS (Deville Touring Sedan) was introduced in 2006 as a successor to the Cadillac DeVille. It featured updated styling and technology, retaining the Northstar V8 engine and front-wheel-drive platform, while offering a more refined and modern interpretation of American luxury.
Production Years:
2006-2011
Assembly Location:
Hamtramck, Michigan, USA
