🏷️ Basic Information

Make:

GMC

Model:

Sierra

Year:

2007

Body Style:

Full-Size Pickup Truck

Chassis Code:

GMT900 (New Sierra generation)

👋 Introduction

Market Segment:

Full-size pickup truck, positioned as a workhorse and versatile vehicle for commercial and personal use.

Key Competitors:

Ford F-150, Dodge Ram 1500, Toyota Tundra.

Vehicle Strengths:

Robust construction, available powerful V8 engines, towing and hauling capabilities, comfortable and functional interior, advanced (for its time) features.

📋 Manual Details

Primary Coverage:

Owner's Manual for GMC Sierra Pickup Trucks

Secondary Coverage:

Driver and passenger safety, instruments and controls, features, before driving, driving operation, maintenance, unexpected situations, technical information, warranty and customer relations.

Estimated Pages:

Approximately 300-400 pages (typical for a comprehensive owner's manual of this era)

Type:

Owner's Manual

Language:

English

Format:

Printed Booklet

📖 Manual Coverage

Safety Systems:

Seat belts (adjustment, usage, child seat anchors - LATCH), SRS (Supplemental Restraint System/Airbags), child protection features (locks, anchorage points).

Cockpit Controls:

Instrument cluster (gauges for speed, RPM, fuel, temperature), indicators (warning lights, turn signals, high beam), information display (message center functions), dashboard layout, steering wheel controls and adjustments.

Comfort Convenience:

Climate control system (manual or automatic HVAC operation), audio system (radio, CD player, speaker locations), steering wheel functions, security system (alarms, locking mechanisms), cruise control operation.

Powertrain Operation:

Engine operation (starting, stopping, break-in period), transmission operation (automatic/manual shifting, modes), fuel system (refueling, fuel type recommendations), cargo loading and weight distribution.

Maintenance Support:

Maintenance Minder system, fluid level checks (engine oil, coolant, brake fluid, power steering fluid, windshield washer fluid), minor service procedures (e.g., bulb replacement, wiper blade replacement), vehicle storage guidelines.

Emergency Procedures:

Flat tire changing procedure, jump starting a dead battery, overheating troubleshooting, fuse identification and replacement.

Technical Data:

Vehicle specifications (dimensions, weights), tire information (sizes, inflation pressures), emissions control systems overview.

Customer Relations:

Warranty information, customer assistance contact details.

Routine Maintenance:

Checks for fluid levels, tire pressure, visual inspections.

Basic Troubleshooting:

Diagnosis of common warning lights, minor operational issues.

Emergency Response:

Flat tire, dead battery, overheating.

Feature Operation:

Detailed instructions on using climate control, audio, cruise control, and security features.

Depth:

Consumer-focused, covering operation, basic maintenance, and troubleshooting for the owner. Does not include detailed diagnostic procedures or repair instructions typically found in a service manual.

📊 Manual Specifications

Format Type:

Printed physical document

Quality:

Standard OEM print quality, intended for readability. May include illustrations and diagrams.

Binding:

Staple-bound or perfect bound booklet

Paper:

Standard paper stock, typical for automotive owner's manuals.

⚙️ Engine Specifications

Engine Options:

4.3L V6 Vortec, 4.8L V8 Vortec, 5.3L V8 Vortec (Active Fuel Management likely introduced for 2007 5.3L), 6.0L V8 Vortec (for higher duty applications like 2500/3500 models).

Engine Displacement Common:

5.3 Liters (327 cubic inches)

Engine Configuration Common:

V8

Horsepower Range:

Approx. 195 hp (4.3L V6) to 367 hp (6.0L V8)

Torque Range:

Approx. 260 lb-ft (4.3L V6) to 375 lb-ft (6.0L V8)

Fuel Delivery:

Electronic Fuel Injection (EFI)

Recommended Fuel:

Regular Unleaded Gasoline (87 Octane), though premium may be recommended for optimal performance in some higher output engines or specific operating conditions.

Oil Capacity 5 3L:

7 Quarts (with filter)

Recommended Oil Viscosity 5 3L:

5W-30 Synthetic Blend or Full Synthetic

🔧 Transmission

Transmission Type Common:

4-Speed Automatic (e.g., 4L60-E, 4L70-E for light-duty models)

Manual Transmission Availability:

Less common by 2007 for pickup trucks, but potentially available on base models or specific configurations.

Powertrain Layout:

Rear-Wheel Drive (RWD) or Four-Wheel Drive (4WD)

Transmission Fluid Type:

Dexron VI (or compatible)

Transmission Fluid Capacity:

Approx. 5.0-6.0 Quarts (dry fill, pan drop and refill is less)

📐 Dimensions

Body Styles Offered:

Regular Cab, Extended Cab (Double Cab), Crew Cab

Wheelbase Options:

Varies by cab configuration and bed length (e.g., 119" to 167")

Curb Weight Range:

Approx. 4,500 lbs to 5,500 lbs (depending on configuration)

Gross Vehicle Weight Rating Gvwr:

Varies significantly by model (e.g., 1500, 2500, 3500 series)

Bed Lengths:

Short (approx. 69.2 inches), Standard (approx. 78.0 inches), Long (approx. 97.6 inches)

🛡️ Safety Features

NHTSA Crash Test Ratings General:

Generally good ratings for its time, often 4 or 5 stars for frontal and side impacts, but specific results vary by configuration and test year. Owners should consult the NHTSA website for precise ratings.

Stability Control:

StabiliTrak (Electronic Stability Control) available on many models.

Traction Control:

Standard on most models.

Airbags:

Frontal airbags for driver and passenger, available side-impact airbags and curtain airbags for certain cab configurations.

Seatbelts:

Three-point seatbelts for all occupants, with pretensioners and load limiters for front seats. LATCH (Lower Anchors and Tethers for CHildren) system for child seat installation.

ABS:

Anti-lock Braking System (ABS) standard on all wheels.

💡 Technology Features

Audio Systems:

Factory AM/FM stereo with CD player, available premium audio systems with multiple speakers, satellite radio (XM Radio).

Navigation:

Optional factory navigation system available on higher trim levels.

Cruise Control:

Standard cruise control, often with steering wheel mounted buttons.

Parking Assist:

Rear parking assist sensors available on some models.

Onstar:

OnStar telematics system available, providing emergency assistance, navigation, and vehicle diagnostics.

🔧 Maintenance

Oil Change Interval:

Typically every 7,500 miles or 6 months, whichever comes first, or based on the Maintenance Minder system's recommendations.

Tire Rotation Interval:

Every 7,500 miles or with every oil change.

Transmission Fluid Service:

Check at 45,000 miles; Replace fluid and filter at 90,000 miles under normal driving conditions, sooner under severe use.

Engine Coolant:

GM specified engine coolant (e.g., Dex-Cool Orange, or equivalent orange/pink long-life coolant)

Brake Fluid:

DOT 3

Power Steering Fluid:

GM Power Steering Fluid or Dexron VI

Common Wear Items:

Wheel bearings, exhaust components, front suspension components (ball joints, control arm bushings), evaporative emissions system (EVAP) vent solenoid issues.

Powertrain Specific:

Active Fuel Management (AFM) lifter issues can occur on 5.3L engines with high mileage, requiring specific repair procedures. Transmission cooler line leaks have been noted on some models.

Electrical Issues:

Occasional issues with HVAC blower motor resistors, infotainment system glitches, and body control module (BCM) related problems.

📚 Vehicle History

Gmc Legacy:

GMC (General Motors Truck Company) has a long history dating back to 1902, specializing in trucks and commercial vehicles, known for durability and capability.

Gmt900 Platform:

The 2007 Sierra is part of the GMT900 platform, a significant redesign for GM's full-size trucks, introducing a more aerodynamic and refined design, improved interiors, and new powertrains (including Active Fuel Management).

Manufacturing Locations:

North America (e.g., Fort Wayne, Indiana; Oshawa, Ontario, Canada)

🏆 Awards & Recognition

Truck Of The Year:

The GMC Sierra, as part of the new GMT900 generation, often received accolades and was a strong contender in its segment, though specific 'Truck of the Year' awards can vary by publication and year.