This comprehensive 2003 GMC Jimmy Service and Repair Manual provides detailed instructions, diagrams, and specifications for all models and repairs. It covers everything from routine maintenance to complex troubleshooting, ensuring you have the information needed to keep your vehicle running smoothly.

Delve into in-depth sections covering:

* **Engine:** Explore engine components, troubleshooting guides, and repair procedures for optimal performance.
* **Control System:** Understand the inner workings of your vehicle's control systems, diagnose issues, and perform necessary repairs.
* **Mechanical:** From fuel systems to exhaust, this section covers the mechanical aspects of your GMC Jimmy, offering step-by-step instructions for repairs.
* **Fuel Service Specifications:** Get precise specifications for fuel systems, ensuring you use the correct components and procedures.
* **Emission Control:** Learn about emission control systems, their maintenance, and how to address any issues.
* **Intake Exhaust Cooling:** This section covers everything related to intake, exhaust, and cooling systems for optimal engine performance.
* **Lube:** Find guidance on lubrication systems, proper fluids, and maintenance procedures.
* **Ignition Starting Charging:** Understand the workings of your ignition, starting and charging systems, and troubleshoot any problems.
* **Auto Transmission Clutch:** Get detailed information about automatic transmissions, clutches, and repair procedures.
* **Manual Transmission:** Comprehensive coverage of manual transmissions, including shifting mechanisms and maintenance.
* **Transfer Propeller Shaft:** Learn about transfer cases, propeller shafts, and their connection to the drivetrain.
* **Drive Shaft:** Dive into the intricacies of drive shafts, their maintenance, and potential issues.
* **Differential:** Understand the differential system, its importance in the drivetrain, and how to address any problems.
* **Axle Suspension:** Explore axle and suspension components, their operation, and repair procedures.
* **Tire & Wheel:** Get detailed information on tire and wheel specifications, maintenance, and replacement.
* **Brake Control:** Understand the intricacies of brake control systems, their operation, and how to address any problems.
* **Brake:** Covers all aspects of the braking system, from disc and drum brakes to brake lines and components.
* **Parking Brake:** Learn about the parking brake system, its operation, and how to maintain it.
* **Steering Column:** Explore the steering column, its components, and how to address steering issues.
* **Power Steering:** Understand power steering systems, their operation, and how to perform repairs.
* **Air Condition:** Get detailed information about your vehicle's air conditioning system, including maintenance and troubleshooting.
* **Suppl Restraint System:** Learn about the supplemental restraint system, including airbags and seat belts.
* **Seat Belt:** Explore seat belt systems, their operation, and how to ensure they are functioning correctly.
* **Engine Immobilizer:** Understand engine immobilizer systems, their purpose, and how to address any problems.
* **Cruise Control:** Learn about cruise control systems, their operation, and how to address any issues.
* **Wiper & Washer:** Get information on wiper and washer systems, their maintenance, and how to replace components.
* **Door Lock:** Understand door lock mechanisms, their operation, and how to address any problems.
* **Meter Audio/Visual:** Dive into the instrumentation and audio/visual systems, including gauges, displays, and audio systems.
* **Horn:** Learn about the horn system, its operation, and how to address any problems.
* **Windshield/Glass Mirror:** Get information on windshield, glass, and mirror replacement.
* **Instrument Panel:** Explore the instrument panel, its components, and how to address any issues.
* **Seat:** Covers seat components, adjustment mechanisms, and repair procedures.
* **Engine Hood/ Door:** Learn about the engine hood and doors, their operation, and how to address any problems.
* **Exterior & Interior:** Provides information about exterior and interior components, their maintenance, and repair.
* **Electrical:** Understand the electrical system, wiring diagrams, and troubleshooting procedures.
* **Multiplex/ Can Communication:** Explore the multiplex and CAN communication systems, their operation, and potential issues.

With this comprehensive manual, you'll have the knowledge and confidence to tackle almost any repair job on your 2003 GMC Jimmy.

The 2003 GMC Jimmy, a compact SUV, marked the final year of production for this iconic model, which had been a staple of the GMC lineup since 1995. Built on the GM GMT360 platform, the Jimmy shared its underpinnings with other popular SUVs like the Chevrolet Blazer and the Isuzu Rodeo. It offered a rugged and capable design, featuring a body-on-frame construction, a solid front axle, and a four-wheel-drive option. Powering the Jimmy was a choice between two robust engines: a 4.3L Vortec V6 or a 5.3L Vortec V8. The V6 provided a balance of fuel efficiency and decent power, while the V8 delivered more horsepower and torque for those seeking a more spirited driving experience.

The 2003 Jimmy was offered in various trim levels, ranging from the base LS to the more luxurious SLE. Features varied across trims, but common amenities included air conditioning, power windows and locks, and a CD player. Some models also boasted leather upholstery, a sunroof, and advanced safety features like anti-lock brakes and traction control. Although the Jimmy's production ceased in 2003, it continues to hold a special place in automotive history, representing a bygone era of rugged and reliable SUVs. Its blend of off-road capability and comfortable interior made it a popular choice for families and outdoor enthusiasts alike.