🏷️ Basic Information

Make:

GMC

Model:

Acadia

Year:

2008

First Generation Start Year:

2007

Current Generation End Year:

2016

Platform Code:

GM Lambda

👋 Introduction

Vehicle Type:

Full-size Crossover SUV

Segment:

Three-row crossover SUV

Key Competitors 2008:

Ford Edge, Ford Explorer, Toyota Highlander, Honda Pilot, Nissan Quest, Mazda CX-9, Buick Enclave, Chevrolet Traverse.

Body Styles:

4-door SUV.

Seating Capacity:

Available in 7 or 8-passenger configurations.

Drivetrain Options:

Standard front-wheel drive (FWD), optional all-wheel drive (AWD).

Interior Versatility:

Flexible seating arrangements, cargo space.

📋 Manual Details

Primary Coverage:

2008 GMC Acadia

Secondary Coverage:

GM Lambda platform vehicles (closely related)

Estimated Page Count:

200-300 (typical for this era's owner manuals)

Type:

Owner's Manual

Language:

English

Format:

Digital PDF Download

📖 Manual Coverage

Powertrain Controls:

Engine operation, fuel system, cooling system, ignition system, exhaust system.

Drivetrain:

Front-wheel drive (FWD) and All-wheel drive (AWD) systems.

Suspension Steering:

Basic operation principles and fluid level checks if applicable.

Brakes:

Brake system warning lights, ABS operation.

Electrical Lighting:

Exterior lights, interior lights, hazard lights, turn signals, dashboard illumination.

Instrumentation Controls:

Instrument cluster layout, gauges, warning lights, driver controls, climate controls.

Infotainment Audio:

Radio operation, CD player, auxiliary inputs, navigation system (if equipped).

Comfort Convenience:

Locks, security system, power windows, mirrors, seating adjustments, climate controls.

Safety Restraints:

Airbags, seat belts, child seat installation (LATCH system), child safety locks.

Driver Assistance:

Cruise control, parking assist systems (if equipped).

Cleaning Care:

Exterior and interior cleaning procedures, upholstery care.

Maintenance Specifications:

Fluid types, capacities, filter part numbers, general maintenance guidelines.

Basic Operation:

Starting and stopping the engine, shifting gears, operating lights and wipers.

Dashboard Indicators:

Understanding warning lights and system indicators.

Climate System Operation:

Using the heating, ventilation, and air conditioning (HVAC) system.

Locking Unlocking:

Operating door locks, keyless entry, and security system.

Seat Adjustment:

Properly adjusting seats for comfort and safety.

Child Restraint Installation:

Guidance on installing child safety seats using LATCH or seat belts.

Tire Pressure Monitoring:

Understanding and checking tire pressure, TPMS operation.

Refueling:

Proper fuel type and fueling procedures.

Fluid Level Checks:

Checking engine oil, coolant, windshield washer fluid, and brake fluid levels.

Bulb Replacement:

Guidance on replacing common bulbs (headlights, taillights, interior lights).

Fuse Replacement:

Locating and replacing blown fuses.

Emergency Procedures:

Towing information, tire changing, jump starting.

Customer Assistance:

Contact information for GMC customer support and reporting safety defects (US).

Depth:

Owner-level information for operation, basic checks, and minor maintenance. Does not contain in-depth diagnostic procedures or repair instructions typically found in a service manual.

📊 Manual Specifications

Compatibility:

Requires PDF reader (e.g., Adobe Acrobat Reader, Foxit Reader).

Searchability:

Likely text-searchable within the PDF, allowing quick access to information.

Quality:

High-resolution digital copy, printable.

Binding:

N/A (Digital PDF)

Paper:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Code:

LLT

Engine Type:

3.6L V6 DOHC VVT

Displacement Liters:

3.6

Displacement Cubic Inches:

217

Bore X Stroke:

94 mm x 85.6 mm (3.70 in x 3.37 in)

Compression Ratio:

11.3:1

Horsepower Hp:

275

Torque Lb Ft:

251

Fuel Delivery:

Sequential Fuel Injection (SFI)

Recommended Fuel:

87 Octane (Regular Unleaded)

Engine Oil Type:

SAE 5W-30 Synthetic Blend or Full Synthetic

Engine Oil Capacity Quarts:

5.0 (with filter)

Coolant Type:

GM P/N 12346290 (or equivalent Dex-Cool® compatible)

Air Filter Part Number Example:

GM P/N 25761277 (Verify with VIN for exact fitment)

🔧 Transmission

Transmission Type:

6-speed automatic

Transmission Model:

GM 6T75

Transmission Fluid Type:

Dexron VI (GM P/N 88861019 or equivalent)

Drivetrain:

All-Wheel Drive (AWD)

Traction Control:

Standard

Stability Control:

StabiliTrak® with Electronic Stability Control (ESC) - Standard

📐 Dimensions

Length Inches:

200.7

Width Inches:

78.2

Height Inches:

69.7

Wheelbase Inches:

118.9

Front Track Inches:

67.0

Rear Track Inches:

67.0

Ground Clearance Inches:

7.2

Approach Angle Degrees:

16.5

Departure Angle Degrees:

20.8

Curb Weight Lbs FWD:

4575

Curb Weight Lbs AWD:

4758

Gvwr Lbs:

6400

Max Towing Capacity Lbs:

5200

Max Payload Lbs:

1825

Wheel Bolt Pattern:

6 x 132

Standard Wheel Size:

18-inch alloy

Standard Tire Size:

255/65R18

Cargo Volume Cu Ft Behind 3Rd Row:

19.0

Cargo Volume Cu Ft Behind 2Nd Row:

61.0

Cargo Volume Cu Ft Behind 1St Row:

101.0

🛡️ Safety Features

NHTSA Rollover Resistance Rating:

4 out of 5 stars (2008 models)

IIHS Frontal Offset Crash Test:

Good (2008 models)

IIHS Side Impact Crash Test:

Good (2008 models)

Electronic Stability Control:

StabiliTrak® with Traction Control System (TCS) - Standard

Anti Lock Brakes:

4-wheel disc ABS - Standard

Tire Pressure Monitoring System:

Standard (TPMS)

Airbags:

Driver and front passenger airbags, front seat-mounted side-impact airbags, and side-curtain airbags for all rows.

Seat Belts:

3-point seat belts with pretensioners and load limiters for all seating positions.

Child Safety Anchors:

LATCH (Lower Anchors and Tethers for CHildren) system.

Child Safety Locks:

Rear door and liftgate power child security locks.

💡 Technology Features

Audio System Options:

Available with standard AM/FM/CD/MP3 player, optional Bose premium audio system, and available DVD/navigation system.

Connectivity Options:

Auxiliary audio input jack (for portable media players).

Parking Assistance:

Available rear parking assist sensors.

Cruise Control:

Standard cruise control.

Rear View Camera:

Available rear vision camera integrated with the infotainment display.

Remote Start:

Available remote vehicle start system.

🔧 Maintenance

Oil Change Interval:

Every 7,500 miles or 6 months, whichever comes first (using synthetic oil). Check oil level monthly.

Tire Rotation Interval:

Every 7,500 miles.

Engine Air Filter Replacement:

Inspect every 15,000 miles, replace as needed. Replace every 45,000 miles or sooner if operating in dusty conditions.

Cabin Air Filter Replacement:

Inspect every 15,000 miles, replace as needed. Replace every 30,000 miles.

Transmission Fluid Change:

Under normal driving conditions, GM recommended fluid changes based on driving habits (e.g., towing, severe use) rather than a fixed mileage for the life of the transmission. Consult manual for detailed recommendations, typically around 60,000-100,000 miles for severe use or if fluid appears discolored/burnt.

Coolant Flush:

Initial flush at 150,000 miles, then every 50,000 miles thereafter.

Engine Oil Viscosity Grade:

SAE 5W-30

Transmission Fluid Specification:

Dexron VI

Coolant Specification:

GM P/N 12346290 (or equivalent Dex-Cool® compatible)

Brake Fluid Specification:

DOT 3

Power Steering Fluid Specification:

GM P/N 12345383 (or equivalent ATF Dexron III/VI compatible)

Timing Chain Wear:

Some early 3.6L V6 engines (including the LLT) experienced issues with timing chain stretching or guide wear, potentially leading to rough running or check engine lights. Regular oil changes are crucial.

Transmission Harsh Shifting:

Some owners reported harsh shifting or delayed engagement. Proper fluid maintenance is key.

Exhaust Manifold Cracks:

Cracks in the exhaust manifolds can occur due to thermal stress, leading to exhaust leaks and ticking noises.

Evaporative Emission Control System Leaks:

Leaky EVAP hoses or canisters can trigger check engine lights.

Oil Filter Part Number:

GM P/N 12585773 (or AC Delco PF48)

📚 Vehicle History

Gmc Legacy:

GMC has a long history of producing trucks and commercial vehicles, adapting its engineering prowess to the consumer SUV market.

Acadia Introduction Year:

2007

Acadia Platform:

Built on GM's Lambda platform, shared with Buick Enclave, Chevrolet Traverse, and Saturn Outlook.

Acadia Design Philosophy:

Designed to offer a blend of SUV utility, minivan-like interior space, and car-like driving dynamics.

2008 Updates:

Minor updates, primarily focused on option packaging and feature availability. The core powertrain and chassis remained the same as the inaugural 2007 model.

Manufacturing Location:

Lansing Delta Assembly Plant, Lansing, Michigan, USA.

🏆 Awards & Recognition

Initial Reception:

The GMC Acadia, as part of the Lambda platform, received generally positive reviews upon its introduction for its comfortable ride, spacious interior, and practical design.