This comprehensive service and repair manual for the 1991 Chevrolet Corvette C4 provides detailed instructions and illustrations for all aspects of maintenance, service, diagnosis, and repair. You'll find everything you need to keep your classic Corvette running smoothly, from basic maintenance tasks to complex engine and transmission repairs. The manual covers a wide range of topics, including: - **Maintenance**: Routine maintenance schedules, fluid changes, and inspections. - **Engine**: Covers all aspects of the engine, including the fuel system, ignition system, cooling system, and emissions control system. - **Control System**: Detailed information on the electronic control systems that manage the engine, transmission, and other vehicle functions. - **Mechanical**: Comprehensive information on the drivetrain, including the transmission, differential, axles, and suspension. - **Fuel Service Specifications**: Provides technical specifications for fuel systems and components. - **Intake Exhaust Cooling**: Explains the operation and maintenance of the intake and exhaust systems, along with the cooling system. - **Lube**: Provides information on lubricants and lubrication schedules for various components. - **Ignition Starting Charging**: Detailed information on the ignition, starting, and charging systems. - **Auto Transmission Clutch**: Covers the automatic transmission, including repair and maintenance. - **Manual Transmission**: Includes instructions for maintaining and repairing the manual transmission. - **Transfer Propeller Shaft**: Provides details on the transfer case and propeller shaft. - **Drive Shaft**: Covers the drive shafts and related components. - **Differential**: Explains the operation and repair of the differential. - **Axle Suspension**: Offers comprehensive instructions on the axles and suspension system. - **Tire & Wheel**: Provides information on tire specifications, selection, and maintenance, as well as wheel care. - **Brake Control**: Covers the brake system, including the brake control system. - **Brake**: Provides detailed information on the brake system, including repair and maintenance. - **Parking Brake**: Explains the operation and maintenance of the parking brake system. - **Steering Column**: Covers the steering column, including repair and maintenance. - **Power Steering**: Provides details on the power steering system. - **Air Condition**: Includes information on the air conditioning system, including troubleshooting and repair. - **Suppl Restraint System**: Explains the operation and maintenance of the supplemental restraint system (airbags). - **Seat Belt**: Covers seat belts and their components. - **Engine Immobilizer**: Provides information on the engine immobilizer system. - **Cruise Control**: Explains the operation and maintenance of the cruise control system. - **Wiper & Washer**: Covers the windshield wipers and washer system. - **Door Lock**: Provides details on the door lock system. - **Meter Audio/Visual**: Explains the operation and maintenance of the instrument cluster and other gauges. - **Horn**: Covers the horn system. - **Windshield/Glass Mirror**: Provides information on the windshield and mirrors. - **Instrument Panel**: Covers the instrument panel and its components. - **Seat**: Explains the different types of seats and their maintenance. - **Engine Hood/ Door**: Covers the engine hood and doors, including their operation and repair. - **Exterior & Interior**: Provides information on the exterior and interior of the vehicle. - **Electrical**: Comprehensive coverage of the electrical system, including wiring diagrams and troubleshooting. - **Multiplex/ Can Communication**: Explains the multiplex and CAN communication systems. This manual is a valuable resource for anyone who wants to work on their own 1991 Corvette C4. With its clear instructions, detailed diagrams, and comprehensive coverage, it makes even the most complex repairs seem manageable.

The 1991 Chevrolet Corvette C4, the fourth generation of America's iconic sports car, represented a significant evolution in design and performance from its predecessors. While retaining the classic Corvette formula of a powerful, rear-wheel-drive coupe, the C4 introduced a sleek, aerodynamically sculpted body with pop-up headlights and an integrated rear spoiler. This design, penned by legendary automotive designer Chuck Jordan, proved both stylish and functional, reducing drag and increasing stability at high speeds. Under the hood, the C4 offered a range of engine options, including the potent 5.7-liter LT1 V8, featuring a new, lightweight aluminum construction and a sequential fuel injection system. This engine, coupled with a refined chassis and improved suspension, delivered exhilarating performance and handling, making the 1991 Corvette a formidable contender on the track and a thrilling experience on the open road. Beyond its performance prowess, the 1991 Corvette C4 offered a level of refinement and comfort rarely seen in earlier generations. The interior showcased an updated dashboard with a driver-focused layout, featuring modern instrumentation and a digital display. The introduction of standard features like a power driver's seat, air conditioning, and a premium Delco Bose sound system elevated the Corvette's status as a luxurious sports car. While maintaining its iconic status as a powerful and exciting machine, the 1991 Corvette C4 demonstrated the brand's commitment to ongoing evolution and improvement, setting the stage for the even more advanced and refined Corvette models to come. This commitment to innovation and refinement is evident in the comprehensive 1991 Chevrolet Corvette C4 Service and Repair Manual, which provides detailed information on every aspect of the vehicle, from basic maintenance to complex repairs.