2004 Chevrolet Avalanche Service and Repair Manual

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🏷️ Basic Information Identification Make: Chevrolet Model: Avalanche Year: 2004 Body Style: Full-size Extended Cab Pickup / SUV Hybrid Codes Platform: GMT820 👋 Introduction Market Position Market Niche: Unique full-size...

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标签: 2004 Avalanche Cars Chevrolet Truck

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Description

🏷️ Basic Information

Identification

Make:

Chevrolet

Model:

Avalanche

Year:

Body Style:

Full-size Extended Cab Pickup / SUV Hybrid

Codes

Platform:

GMT820

👋 Introduction

Market Position

Market Niche:

Unique full-size SUV/pickup hybrid, offering versatility for cargo and passenger transport

Competitive Analysis

Competitors:

Ford Explorer Sport Trac, Toyota Tundra (as a full-size pickup), Chevrolet Tahoe/Suburban (as an SUV)

Key Features

Feature 1:

Midgate: The signature feature allowing the rear window and bulkhead to fold down, extending the cargo bed into the cabin.

Feature 2:

Full-size truck capabilities combined with SUV comfort and seating.

Feature 3:

Available Quadrasteer (four-wheel steering) on some models for enhanced maneuverability.

📋 Manual Details

Coverage Areas

Coverage Type:

Comprehensive Service and Repair

Models Covered:

All models and configurations of the 2004 Chevrolet Avalanche

Repairs Covered:

A-Z (All repairs from routine maintenance to complex diagnostics and rebuilding)

Page Count

Page Count:

Not Specified (Digital PDF, content is comprehensive)

Manual Type

Manual Type:

Factory Service Manual (FSM)

Language

Language:

English

Format

Format:

Digital PDF

Accessibility:

Compatible with Windows (Vista 32/64, XP, ME, 98, NT, 2000) and Mac

Download Speed:

Speed Download

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine assembly, disassembly, inspection, repair, and rebuilding (including cylinder heads, blocks, pistons, crankshaft, camshafts)

Engine Control System:

Powertrain Control Module (PCM) diagnosis, fuel injection, ignition system, sensors, actuators, emissions control

Fuel System:

Fuel pump, fuel filter, fuel injectors, fuel pressure, evaporative emission control (EVAP)

Emission Control:

Catalytic converter, oxygen sensors, EGR system, PCV system, emissions testing procedures

Cooling System:

Radiator, water pump, thermostat, cooling fan, hoses, coolant specifications

Lubrication System:

Oil pump, oil filter, oil pan, oil specifications, lubrication passages

Ignition Starting Charging:

Spark plugs, ignition coils, starter motor, alternator, battery, wiring

Automatic Transmission:

4L60-E and 4L80-E: Overhaul, diagnosis, fluid service, torque converter, valve body

Manual Transmission:

Not Applicable for most Avalanche models, but coverage for any available manual transmission options is included.

Transfer Case:

NVG 246 (Autotrac II): Operation, maintenance, and repair

Drive Shaft Differential:

Front and rear driveshafts, U-joints, rear axle assembly, differential service, axle ratios

Suspension System:

Front independent suspension (torsion bar), rear multi-leaf spring suspension, shock absorbers, ball joints, control arms

Tire And Wheel:

Tire pressure, wheel alignment, wheel specifications, tire rotation

Brake System:

Front disc brakes, rear disc brakes, ABS system, brake fluid, brake pads, rotors, calipers, lines

Parking Brake:

Parking brake mechanism, adjustment, and repair

Steering System:

Power steering system, steering column, steering gear, tie rods, steering linkage

Climate Control:

Air conditioning system, heating system, HVAC components, refrigerant, blower motor

Supplemental Restraint System:

Airbag system, seat belt pre-tensioners, SRS control module, diagnosis and replacement procedures

Seat Belts:

Seat belt operation, maintenance, and replacement

Engine Immobilizer:

Anti-theft system, key programming, immobilizer module

Cruise Control:

Cruise control system operation, diagnosis, and repair

Wiper Washer System:

Wiper motor, wiper blades, washer pump, washer fluid reservoir

Door Lock System:

Power door locks, central locking, keyless entry system

Meter Audio Visual:

Instrument cluster, gauges, audio system, speakers, entertainment systems

Horn:

Horn operation and circuit diagnosis

Windshield Glass Mirror:

Windshield replacement, glass repair, mirror adjustment and replacement

Instrument Panel:

Instrument panel removal and installation, gauge clusters, warning lights

Seats:

Seat adjustment, seat track repair, seat heater (if equipped)

Engine Hood Door:

Hood latch and release, door hinges, door mechanisms, body panel adjustment

Exterior Interior Trim:

Body panels, bumpers, trim pieces, interior upholstery, dashboard components

Electrical System:

12-volt system, battery, charging system, starting system, fuses, relays, wiring harnesses

Multiplex Can Communication:

Controller Area Network (CAN) bus system, multiplexing, diagnostic trouble codes (DTCs)

Procedures Included

Maintenance Procedures:

Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, tune-ups, brake service, tire rotation

Diagnosis Troubleshooting:

Step-by-step diagnostic procedures, symptom-based troubleshooting charts, diagnostic trouble code (DTC) interpretation and resolution

Repair Replacement:

Detailed instructions for the removal, repair, and installation of all vehicle components and systems

Rebuilding Overhaul:

Complete procedures for rebuilding engines, transmissions, and other major components

Technical Specifications:

All necessary torque values, clearances, fluid capacities, electrical specifications, and alignment data

Wiring Schematics:

Complete and detailed electrical wiring diagrams for all vehicle systems

Illustrations Diagrams:

Numerous high-quality illustrations, diagrams, and exploded views to clarify procedures

Technical Depth

Depth:

Factory-level, including advanced diagnostics, component-level repair, and full vehicle disassembly/reassembly

📊 Manual Specifications

File Format

File Format:

Software Requirements:

Adobe PDF Reader (free), Winzip (free)

Print Quality

Printability:

All pages printable, with ability to enlarge images for detailed viewing

Binding Type

Binding Type:

N/A (Digital Format - No physical binding)

Paper Type

Paper Type:

N/A (Digital Format - No physical paper)

⚙️ Engine Specifications

Primary Engine

Engine Code:

Engine Description:

5.3L (327 cubic inch) V8 OHV 16-valve Vortec

Performance

Horsepower:

285 hp @ 5200 rpm

Torque:

325 lb-ft @ 4000 rpm

Fuel System

Fuel Delivery:

Sequential Fuel Injection (SFI)

Recommended Fuel:

87 Octane Unleaded Gasoline

Engine Management

Engine Management System:

GM's Electronic Throttle Control (ETC) and Powertrain Control Module (PCM)

Other Engine Options

Optional Engine:

L59 (5.3L V8 with E85 capability)

🔧 Transmission

Standard

Transmission Type:

4-speed automatic overdrive

Transmission Model:

4L60-E

Optional

Optional Transmission Model:

4L80-E (typically for heavy-duty applications or specific configurations)

Features

Drivetrain:

Available in 2WD (RWD) and 4WD (with Autotrac II transfer case)

Tow Haul Mode:

Included for improved towing performance

📐 Dimensions

Exterior

Length:

Approx. 229.0 inches

Width:

Approx. 79.5 inches

Height:

Approx. 77.5 inches

Wheelbase:

Approx. 143.5 inches

Cargo

Cargo Volume With Midgate Up:

Approx. 53.9 cubic feet

Cargo Volume With Midgate Down:

Approx. 10.7 feet (cargo bed length)

Weights

Curb Weight:

Approx. 5,400 - 5,800 lbs (depending on configuration)

Max Towing Capacity:

Up to 8,000 - 8,500 lbs (with proper equipment)

🛡️ Safety Features

Ratings

NHTSA Frontal Impact Driver:

5 Stars

NHTSA Frontal Impact Passenger:

5 Stars

NHTSA Side Impact Front Seat:

4 Stars

NHTSA Side Impact Rear Seat:

4 Stars

Rollover Rating:

4 Stars

Active Features

Active Safety Features:

Anti-lock Braking System (ABS), Traction Control System (TCS), available StabiliTrak (electronic stability control)

Passive Features

Passive Safety Features:

Driver and front passenger airbags, front seat side-impact airbags (optional), seat belt pre-tensioners

💡 Technology Features

Infotainment

Infotainment System:

Basic AM/FM/CD player, with optional premium sound systems and in-dash CD changers.

Display:

Analog gauges with a small digital driver information center for basic vehicle data.

Driver Assistance

Driver Assistance Features:

Available rear parking assist sensors.

Connectivity

Connectivity Options:

Basic connectivity through audio system; no integrated Bluetooth or advanced smartphone integration.

Powertrain Tech

Throttle Control:

Electronic Throttle Control (ETC) for smoother acceleration and better emissions control.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,000-7,500 miles or 6-12 months, depending on driving conditions and oil type used. Consult manual for specific recommendations based on oil quality and usage.

Transmission Fluid Change:

Every 30,000-100,000 miles, depending on towing usage and fluid type. Recommended to check fluid condition regularly.

Coolant Flush:

Every 30,000-50,000 miles or 2-5 years.

Spark Plug Replacement:

100,000 miles (with platinum-tipped spark plugs).

Fluid Specifications

Engine Oil:

SAE 5W-30, API SM or higher (check manual for specific Dexos compliance if applicable for later GM standards)

Engine Coolant:

Dex-Cool (GM Orange Coolant), 50/50 mixture with distilled water

Automatic Transmission Fluid:

Dexron III (or equivalent approved fluid like Dexron VI for updated specs)

Power Steering Fluid:

Dexron III/VI

Brake Fluid:

DOT 3

Known Issues

Common Issue 1:

Rear main seal leaks: A potential issue on higher-mileage Vortec V8 engines.

Common Issue 2:

Transmission cooler line leaks: Can lead to transmission fluid loss and potential overheating.

Common Issue 3:

Water pump bearing failure: Symptoms include coolant leaks and whining noises.

Common Issue 4:

ABS sensor failures: Can lead to ABS warning lights and loss of ABS functionality.

Common Issue 5:

Power steering pump issues: Leaks or noise can indicate a failing pump.

📚 Vehicle History

Brand Heritage

Brand Focus:

Chevrolet, a division of General Motors, has a long history of producing trucks and SUVs known for durability and utility.

Model Evolution

First Generation:

Introduced for the 2002 model year, the Avalanche was a groundbreaking concept merging a pickup truck with an SUV.

2004 Updates:

While primarily a carry-over model, the 2004 model benefited from refinements from previous years, including potential minor feature packaging adjustments.

Production

Production Plant:

Silao Assembly Plant, Mexico

🏆 Awards & Recognition

Recognitions

Award 1:

Kelley Blue Book's Best Overall Vehicle Value (for its segment in certain years).

Award 2:

MotorTrend's Truck of the Year (for the GMT800 platform shared with Avalanche).