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GMC

Gmc Sonoma 2002-2004 Service Repair Manual

Gmc Sonoma 2002-2004 Service Repair Manual

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$16.99
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Vehicle data plateRef 532310
Brand
GMC
Vehicle
Trucks
Models covered
P Series, Sonoma
Years
2002, 2003, 2004
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

What happens after you pay

  • Download link opens on the order page immediately
  • The same link is emailed to you — re-download any time
  • Open on phone, tablet or PC; print only the pages you need
  • Not sure it covers your model year? Ask us before you buy
🏷️ Basic Information
Identification
Make:
GMC
Model:
Sonoma
Year:
2002-2004
Generation
Generation:
Second Generation (1998-2004)
Codes
Chassis Code:
GMT355
👋 Introduction
Market Position
Vehicle Segment:
Compact Pickup Truck
Target Audience:
DIY enthusiasts, independent mechanics, fleet owners
Competitive Analysis
Key Competitors:
Ford Ranger, Chevrolet S-10, Toyota Tacoma, Nissan Frontier
Key Features
Manual Advantage:
Provides dealer-level service information at a fraction of the cost; empowers owners to perform their own maintenance and repairs.
Digital Format Benefits:
Instant download, no shipping costs, accessible on multiple devices, printable for workshop use.
📋 Manual Details
Coverage Areas
Covered Years:
2002, 2003, 2004
Covered Regions:
North America
Page Count
Estimated Page Count:
1500+
Manual Type
Manual Type:
Factory Service Manual / Repair Manual
Language
Language:
English
Format
File Format:
PDF
📖 Manual Coverage
Systems Covered
Engine:
Full coverage including 2.2L I4, 3.5L I5 Vortec engines, diagnostics, overhaul, components
Transmission:
4-speed automatic (4L60-E, 4L65-E), 5-speed manual (NV1500, NV3500), diagnostics, overhaul, fluid service
Drivetrain:
Rear-wheel drive (RWD) and 4-wheel drive (4WD) systems, transfer case, drive shafts, axles, differentials
Suspension:
Front independent suspension (torsion bar), rear leaf springs, shocks, ball joints, control arms, wheel bearings
Brakes:
Front disc, rear drum (or disc on some models), ABS system, hydraulic components, service and bleeding procedures
Steering:
Power steering system, steering column, steering gear, alignment specifications
Electrical:
Complete electrical system, wiring diagrams, lighting, starting and charging system, fuses, relays, diagnostics
HVAC:
Air conditioning and heating systems, components, refrigerant, diagnostics and repair
Interior:
Seats, seat belts, airbags (SRS), interior trim, door panels, instrument panel removal and installation
Body:
Exterior body panels, doors, hood, tailgate, glass, mirrors, bumpers, corrosion protection
Emission Control:
Emission control systems, catalytic converter, oxygen sensors, EVAP system, diagnostic codes related to emissions
Procedures Included
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, spark plugs, belts, hoses
Diagnostics:
Troubleshooting guides, symptom-based diagnostics, diagnostic trouble codes (DTCs), electrical system diagnostics
Repair:
Component removal, disassembly, inspection, repair, reassembly, and installation for all major systems
Overhaul:
Detailed procedures for complete engine and transmission overhauls
Calibration:
Wheel alignment, tire balancing, steering angle sensor calibration (if applicable)
Reprogramming:
ECM/PCM programming, key fob programming (if applicable)
Technical Depth
Depth Level:
Comprehensive: from basic maintenance to complete engine/transmission rebuilds and advanced electrical diagnostics
Detail Level:
Detailed step-by-step instructions, hundreds of photos, illustrations, and diagrams
Wiring Diagrams:
Full-color, system-specific wiring diagrams for all electrical circuits
Torque Specifications:
Precise torque specifications for all fasteners and critical components
Special Tools:
Identification and usage of specialized tools required for specific repairs
📊 Manual Specifications
File Format
File Type:
PDF
Searchable:
Yes (typically)
Print Quality
Printable:
Yes
Resolution:
High-resolution images and text for clear printing
Binding Type
Binding:
N/A (Digital Download)
Paper Type
Paper Quality:
N/A (Digital Download)
⚙️ Engine Specifications
Primary Engine
Engine Options:
2.2L I4 Vortec (LP2), 3.5L I5 Vortec (L52)
2.2L Lp2 Displacement:
2198 cc (134 cu in)
2.2L Lp2 Horsepower:
115 hp @ 5000 rpm (approx.)
2.2L Lp2 Torque:
130 lb-ft @ 2800 rpm (approx.)
3.5L L52 Displacement:
3538 cc (216 cu in)
3.5L L52 Horsepower:
200 hp @ 5600 rpm (approx.)
3.5L L52 Torque:
225 lb-ft @ 3200 rpm (approx.)
Performance
Fuel Type:
Unleaded Gasoline
Fuel System
Fuel Delivery:
Electronic Fuel Injection (EFI)
Ignition System:
Distributorless Ignition System (DIS) or Coil-on-Plug (COP)
🔧 Transmission
Standard
Standard Transmission:
5-speed manual (NV1500 on 2.2L, NV3500 on 3.5L)
Optional
Optional Transmission:
4-speed automatic (4L60-E, 4L65-E)
Features
Automatic Features:
Electronic controls, overdrive
Manual Features:
Overdrive gear
📐 Dimensions
Exterior
Body Styles:
Regular Cab, Extended Cab
Bed Lengths:
Standard Bed (approx. 73 inches), Long Bed (approx. 86 inches)
Weights
Curb Weight Range:
3,000 - 3,800 lbs (approx., varies by configuration)
Towing Capacity:
Up to 5,300 lbs (with proper equipment and configuration)
🛡️ Safety Features
Ratings
NHTSA Ratings:
Mixed; varies by specific test and model year, generally average for the segment
Active Features
ABS:
Anti-lock Braking System (ABS) available on most models
Passive Features
Airbags:
Driver and front passenger airbags (SRS)
Seat Belts:
Three-point seat belts for all occupants
💡 Technology Features
Infotainment
Audio System:
AM/FM stereo with CD player or cassette player; optional premium sound system
Speakers:
Typically 4 or 6 speakers
Driver Assistance
Cruise Control:
Available on most models
Connectivity
Power Outlets:
12V accessory power outlet
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 5,000 to 7,500 miles or 6 months, depending on oil type and driving conditions (refer to manual for specifics)
Tire Rotation:
Every 5,000 to 7,500 miles
Coolant Flush:
Every 30,000 to 50,000 miles or 2-5 years
Fluid Specifications
Engine Oil:
API SJ or higher; SAE 5W-30 (preferred for both engines, consult manual for temperature variations)
Transmission Fluid Auto:
Dexron-III (or equivalent compatible fluid)
Transmission Fluid Manual:
GL-4 gear oil, SAE 75W-90
Coolant:
Ethylene glycol based, GM specification 6043M (Orange)
Known Issues
Common Problems:
Ignition coil failures, fuel pump issues, ABS sensor problems, catalytic converter failure, potential for frame rust on older models, interior trim wear.
📚 Vehicle History
Brand Heritage
Gmc Legacy:
GMC trucks have a long-standing reputation for durability and work capability since their inception.
Model Evolution
Sonoma Positioning:
GMC's compact pickup truck offering, often positioned as a slightly more upscale or work-oriented alternative to the Chevrolet S-10.
Production
Production Period:
1998-2004 (Second Generation)
Manufacturing Plant:
Shreveport, Louisiana; Moraine, Ohio
🏆 Awards & Recognition
Recognitions
Segment Standing:
While specific awards for the 2002-2004 Sonoma are less prominent, it was a consistent seller in the competitive compact pickup segment, valued for its utility and GMC branding.

Delivery & file format

This is a digital PDF download, not a printed book. After payment the download link appears on your order confirmation page and is emailed to the address you entered. Files open in any PDF reader on phone, tablet or computer and can be printed.

Check the model year and engine before you buy

Manufacturers change procedures, wiring and part numbers between model years and engine options. If your VIN plate shows a year or engine code that is not listed on the data plate above, contact us with the model, year and VIN and we will confirm coverage before you order.

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