Target Audience:
DIY enthusiasts, independent repair shops, and professional technicians seeking comprehensive, factory-accurate information for the Cadillac DTS.
Unique Selling Proposition:
Provides the identical, vehicle-specific repair information used by dealership technicians, eliminating generic advice and ensuring accuracy.
Digital Convenience:
Single, easy-to-use PDF manual with zoomable images and searchable text, eliminating the need for multiple physical books.
Accuracy And Detail:
Features step-by-step instructions, illustrations, wiring schematics, and factory specifications for precise repairs.
Engine Management:
Diagnosis, repair, and specifications for engine control systems (ECM/PCM), including fuel injection, ignition timing, and emissions control.
Powertrain:
Comprehensive coverage of engine mechanical systems, lubrication, cooling, intake, exhaust, and emissions control.
Drivetrain:
Detailed information on automatic transmissions (e.g., 4T80-E), drive shafts, differentials, and axles.
Chassis Suspension Steering:
Includes diagnosis and repair procedures for suspension components, steering column, power steering system, and wheels/tires.
Braking System:
Covers brake control systems, parking brake, and hydraulic brake components.
Electrical Systems:
Extensive coverage of starting, charging, lighting, instrument panel, HVAC controls, body electrical, and multiplex communication (CAN bus).
Safety Systems:
Includes information on Supplemental Restraint System (SRS) components (airbags), seat belts, and engine immobilizer.
Interior Exterior:
Covers door locks, wipers and washers, seats, engine hood/doors, glass/mirrors, and exterior/interior trim.
Maintenance Procedures:
Routine maintenance tasks, fluid changes, filter replacements, and inspection schedules.
Diagnostic Procedures:
Step-by-step diagnostic routines for identifying and resolving various system faults, including wiring schematics.
Repair Procedures:
Detailed, vehicle-specific repair instructions for mechanical, electrical, and body components.
Installation Procedures:
Instructions for installing replacement parts and components.
Technical Depth:
Factory-level detail, including specific torque specifications, diagnostic trouble codes (DTCs), wiring diagrams, and component identification.
Engine Type:
Northstar 4.6L V8 (L37 and LD8 variants)
Horsepower Range:
Approximately 275 hp to 292 hp depending on trim and engine variant.
Torque Range:
Approximately 292 lb-ft to 302 lb-ft depending on trim and engine variant.
Fuel Delivery:
Electronic Fuel Injection (EFI)
OBD Ii Support:
Yes, compliant with OBD-II diagnostics.
Transmission Type:
4-speed automatic (4T80-E)
Optional Transmissions:
N/A (4T80-E was standard across all DTS models)
Transmission Features:
Electronically controlled with performance shifting modes, often paired with driver-selectable modes (e.g., Comfort, Sport).
Wheelbase:
Approximately 115.2 inches
Overall Length:
Approximately 207.6 inches
Overall Width:
Approximately 74.4 inches
Overall Height:
Approximately 57.3 inches
Curb Weight Range:
Approximately 3,800 - 4,100 lbs
NHTSA Front Impact Rating:
5-star (driver and passenger)
IIHS Side Impact Rating:
Good (for models tested)
Traction Control:
Standard (Traction Control System - TCS)
Stability Control:
Standard (StabiliTrak Electronic Stability Control)
Braking Assistance:
Anti-lock Braking System (ABS), Brake Assist
Airbags:
Dual front airbags, front side-impact airbags, and available curtain side-impact airbags.
Seat Belts:
3-point front and rear seat belts with pretensioners.
Infotainment System:
Features Cadillac's CUE system (in later models) or premium audio systems with CD player, auxiliary input, and often navigation.
Display Technology:
Color touchscreen displays for infotainment and climate controls.
Parking Assistance:
Available rear parking assist sensors.
Cruise Control:
Standard cruise control, with adaptive cruise control available on some higher trims.
Bluetooth Connectivity:
Available Bluetooth hands-free calling.
Multiplex Communication:
CAN (Controller Area Network) bus communication for various electronic modules, covered in detail in the manual's electrical schematics.
Oil Change Interval:
Refer to vehicle owner's manual or specific shop manual recommendations based on driving conditions and oil type (e.g., 7,500 miles or 12 months with synthetic oil).
Transmission Fluid Change:
Recommended service intervals vary, often around 50,000-100,000 miles, but should be checked based on severe usage and fluid condition.
Engine Oil Spec:
Typically Dexos or SAE 5W-30 synthetic engine oil.
Transmission Fluid Spec:
Dexron VI Automatic Transmission Fluid (ATF)
Coolant Spec:
GM Super Coolant (blue color) or equivalent silicate-free, long-life coolant.
Northstar Engine Issues:
While generally robust, earlier Northstar engines had potential head gasket issues; however, improvements were made by this generation. Potential issues include intake manifold leaks or coolant leaks.
Suspension Components:
Wear on control arm bushings and ball joints can occur due to vehicle weight and mileage, leading to alignment issues.
Electronics And Sensors:
As with many vehicles of this era, sensor failures (e.g., oxygen sensors, ABS sensors) and module issues can arise.
Cadillac Heritage:
Cadillac, a division of General Motors, has a long-standing reputation for luxury, comfort, and advanced technology in the American automotive market.
Dts Lineage:
The DTS replaced the Cadillac Sedan de Ville and was Cadillac's flagship sedan for its generation, built on the front-wheel-drive GMT140 platform.
Production Period:
2006-2011
Manufacturing Location:
Hamtramck, Michigan, USA
Initial Reception:
The Cadillac DTS was generally praised for its comfortable ride, quiet cabin, and powerful V8 engine, fitting its role as a large luxury sedan.
Consumer Reports Reliability:
Reliability ratings vary by year, with some years receiving average to above-average marks for overall reliability.
Safety Certifications:
Complies with all relevant US Federal Motor Vehicle Safety Standards (FMVSS).
