Cadillac STS Complete Workshop Service Repair Manual 2010

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🏷️ Basic Information Identification Make: Cadillac Model: STS Year: 2010 👋 Introduction Market Position Vehicle Segment: Luxury Mid-size Sedan Competitive Analysis Key Competitors: BMW 5 Series, Mercedes-Benz E-Class, Audi A6,...

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Type: Car

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Sku: 519744

Tags: 2010 Cadillac Car Cars STS

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Description

🏷️ Basic Information

Identification

Make:

Cadillac

Model:

Year:

👋 Introduction

Market Position

Vehicle Segment:

Luxury Mid-size Sedan

Competitive Analysis

Key Competitors:

BMW 5 Series, Mercedes-Benz E-Class, Audi A6, Lexus GS

Key Features

Cadillac Sts Positioning:

A blend of American luxury, performance, and technology.

Manual Benefit

Cost Savings:

Enables DIY repairs and maintenance, leading to significant cost savings compared to dealership labor.

Ease Of Use:

Step-by-step instructions and illustrations simplify complex repair procedures.

📋 Manual Details

Coverage Areas

All Models Engines Trim Transmissions:

Page Count

Estimated Page Count:

Over 2000 pages (typical for comprehensive workshop manuals)

Manual Type

Type:

Complete Workshop Service Repair Manual

Language

Language:

English

Format

Format:

Downloadable PDF

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine assembly, disassembly, cylinder head, pistons, crankshaft, connecting rods, lubrication system, cooling system, timing system.

Engine Performance:

Fuel delivery, ignition system, emission controls, forced induction (if applicable).

Transmission Automatic:

Internal components, valve body, torque converter, hydraulic system, electronic controls, fluid specifications, service.

Transmission Manual:

Component identification, disassembly, reassembly, clutch service, fluid specifications.

Drivetrain:

Front-wheel drive (FWD) and All-wheel drive (AWD) systems, drive axles, differential, driveshafts, constant velocity (CV) joints.

Suspension:

Front suspension (e.g., MacPherson struts, control arms), rear suspension (e.g., multi-link), springs, shock absorbers, power steering, steering gear, wheel alignment.

Brakes:

Brake system components (e.g., calipers, rotors, pads), hydraulic system, ABS, traction control, parking brake, bleeding procedures, fluid types.

Electrical System:

Battery, charging system (alternator, starter), lighting system, wiring diagrams, fuses, relays, diagnostic connectors.

Body And Chassis:

Body panel removal/installation, door mechanisms, interior trim, glass, bumpers, frame structure, corrosion protection.

HVAC:

Heating, ventilation, and air conditioning system components, refrigerant handling, diagnostics, service.

Safety Systems:

Airbag system components, restraint systems, seat belt mechanisms, diagnostics.

Infotainment And Electronics:

Audio system, navigation system, climate control modules, instrument cluster, body control modules (BCM), communication systems.

Procedures Included

Routine Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, tire rotations, spark plug replacement, battery maintenance.

Diagnostics And Troubleshooting:

System-specific fault codes (DTCs), diagnostic procedures, symptom-based troubleshooting guides.

Component Removal Installation:

Step-by-step guides for removing and installing major and minor components.

Engine Rebuild:

Detailed procedures for engine disassembly, inspection, machining, and reassembly, including torque specifications.

Transmission Overhaul:

Comprehensive instructions for automatic and manual transmission disassembly, component replacement, and reassembly.

Brake Service:

Pad and rotor replacement, caliper service, brake line replacement, bleeding procedures.

Suspension And Steering Repair:

Component replacement, alignment procedures, steering system diagnosis and repair.

Electrical Diagnostics:

Troubleshooting using wiring diagrams, component testing, module diagnosis.

HVAC Service:

Refrigerant system service, component replacement, leak testing, diagnostics.

Body Repair:

Panel replacement, door and window repair, interior trim installation.

Tire And Wheel:

Tire changing, balancing, wheel alignment specifications.

Technical Depth

Depth Of Information:

Comprehensive, covering everything from basic maintenance to complete engine and transmission overhauls.

Diagrams And Illustrations:

Includes step-by-step instructions with pictures/diagrams.

Diagnostic Troubleshooting Charts:

Yes, for various system faults.

Torque Specifications:

Extensive torque values for all critical fasteners.

Wiring Diagrams:

Detailed electrical wiring schematics.

📊 Manual Specifications

File Format

File Format:

Print Quality

Print Quality Description:

High quality, suitable for printing individual pages or chapters.

Binding Type

Binding Type:

N/A (Downloadable format)

Paper Type

Paper Type:

N/A (Downloadable format)

Software Requirements

Required Software:

Adobe Reader (or compatible PDF viewer)

Compatibility

Device Compatibility:

PC, Mac, Tablets, Smartphones

⚙️ Engine Specifications

Primary Engine

Engine Options:

3.6L V6 VVT DI (Direct Injection) and 4.6L V8 Northstar

Performance 3.6L V6

Horsepower 3.6L V6:

302 hp @ 6300 rpm

Torque 3.6L V6:

272 lb-ft @ 5200 rpm

Performance 4.6L V8

Horsepower 4.6L V8:

320 hp @ 6400 rpm

Torque 4.6L V8:

288 lb-ft @ 4400 rpm

Fuel System

Fuel Delivery System:

Sequential Port Fuel Injection (SFI) for 3.6L, Direct Injection (DI) for 3.6L in later iterations and specific models; Port Fuel Injection for 4.6L.

Engine Codes

Engine Code 3.6L V6:

RPO Code: LFX (often, depending on specific build)

Engine Code 4.6L V8:

RPO Code: LH2 (4.6L V8)

Bore Stroke 3.6L V6

Bore X Stroke:

94.0 mm x 85.6 mm

Bore Stroke 4.6L V8

Bore X Stroke:

93.0 mm x 84.0 mm

🔧 Transmission

Standard

Transmission Type V6:

6-speed automatic (RWD or AWD)

Transmission Type V8:

6-speed automatic (RWD or AWD)

Optional

Optional Transmission:

N/A (6-speed automatic was standard across the board for 2010)

Features

Transmission Features:

Driver Shift Control manual mode with paddle shifters (often standard).

Fluid Specifications

Automatic Transmission Fluid Type:

Dexron-VI (GM P/N 88862402 or equivalent)

📐 Dimensions

Exterior

Wheelbase:

113.4 inches (2880 mm)

Length:

199.4 inches (5065 mm)

Width:

72.4 inches (1839 mm)

Height:

57.3 inches (1455 mm)

Weights

Curb Weight V6 Rwd:

Approx. 3,800 lbs (1724 kg)

Curb Weight V6 AWD:

Approx. 3,950 lbs (1792 kg)

Curb Weight V8 AWD:

Approx. 4,050 lbs (1837 kg)

Cargo

Trunk Volume:

13.4 cubic feet (379 Liters)

🛡️ Safety Features

Ratings

NHTSA Front Impact Driver:

5 Stars

NHTSA Front Impact Passenger:

5 Stars

NHTSA Side Impact Front Driver:

5 Stars

NHTSA Side Impact Front Passenger:

5 Stars

NHTSA Side Impact Rear Driver:

5 Stars

NHTSA Side Impact Rear Passenger:

5 Stars

NHTSA Rollover Resistance:

4 Stars

Active Features

Standard 4-wheel Anti-lock Braking System (ABS)

Traction Control:

Standard Traction Control System (TCS)

Stability Control:

Standard StabiliTrak Electronic Stability Control (ESC)

Tire Pressure Monitoring:

Standard Tire Pressure Monitoring System (TPMS)

Passive Features

Airbags:

Frontal airbags, front side-impact airbags, side curtain airbags.

Seat Belts:

3-point seat belts with pretensioners and load limiters.

💡 Technology Features

Infotainment

Infotainment System:

Cadillac User Experience (CUE) with touch-screen interface, navigation, premium audio systems (e.g., Bose).

Connectivity Options:

Bluetooth, USB ports, auxiliary audio input.

Driver Assistance

Adaptive Cruise Control:

Optional Adaptive Cruise Control.

Parking Assist:

Optional Rear Parking Assist.

Keyless Access:

Keyless Access and Push Button Start.

Lighting

Headlights:

Bi-xenon HID headlights with active cornering assist (optional).

🔧 Maintenance

Service Intervals Oil Change

Oil Change Interval:

Every 7,500 miles or 12 months, whichever comes first (synthetic oil recommended).

Service Intervals Air Filter

Engine Air Filter Replacement:

Every 45,000 miles or 4 years.

Service Intervals Cabin Filter

Cabin Air Filter Replacement:

Every 22,500 miles or 2 years.

Service Intervals Spark Plugs

Spark Plug Replacement 3.6L V6:

Approximately 90,000 - 100,000 miles (using iridium-tipped plugs).

Service Intervals Transmission Fluid

Transmission Fluid Change Interval:

Inspect every 45,000 miles; replace fluid and filter as needed based on driving conditions (refer to manual for specific recommendations).

Fluid Specifications

Engine Oil Type 3.6L V6:

SAE 5W-30 Synthetic (GM dexos1 or API SN/SM approved)

Engine Oil Type 4.6L V8:

SAE 5W-30 Synthetic (GM dexos1 or API SN/SM approved)

Coolant Type:

GM Engine Coolant, P/N 12346290 (orange, extended-life, silicate-free)

Brake Fluid Type:

DOT 3

Known Issues

Common Problems 3.6L V6 Timing Chain:

Potential stretching or wear of timing chains, leading to rattling noises or fault codes. Requires prompt inspection and replacement.

Common Problems Northstar Head Gaskets:

While less common on later Northstar variants like the one in the STS, earlier versions had head gasket issues. Inspect for coolant leaks or white smoke.

Common Problems Suspension:

Wear in control arm bushings and ball joints, leading to clunking noises or steering instability.

Common Problems Water Pump:

Leaking water pumps are a known failure point, especially on the V6. Listen for whining or look for coolant leaks.

Common Problems Drivetrain AWD Hubs:

Premature wear of front wheel bearing hubs on AWD models.

📚 Vehicle History

Brand Heritage

Cadillac History:

Cadillac, a division of General Motors, has a long history of producing American luxury vehicles known for comfort, style, and technological innovation.

Model Evolution

Sts Generation:

Second generation (2005-2011), based on the GM Sigma platform.

Sts Mid-Cycle Refresh:

Received updates for the 2008 model year, including styling revisions and powertrain enhancements.

Production

Production Location:

Lansing Grand River Assembly, Lansing, Michigan, USA.

Discontinuation:

The STS was discontinued after the 2011 model year.

🏆 Awards & Recognition

Recognitions

Jd Power Awards:

The Cadillac STS has received various J.D. Power awards for initial quality and dependability in its segment during its production run.