This comprehensive service and repair manual provides detailed instructions and technical specifications for maintaining, servicing, diagnosing, and repairing your 1971-1995 Chevrolet Van G10, G20, and G30. This manual is the same one used by technicians at dealerships, ensuring you have access to accurate and reliable information.

The manual covers all models, encompassing every aspect of your vehicle's repair. It contains step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications, making even complex repairs manageable. Whether you are tackling routine maintenance or intricate repairs, this manual offers the guidance you need to complete the job with confidence.

You will find detailed information on a wide range of systems, including:

* **Engine:** Covers engine maintenance, troubleshooting, and repair, including details on fuel systems, emissions control, cooling systems, lubrication, ignition, starting, and charging systems.
* **Transmission:** Addresses both automatic and manual transmissions, offering comprehensive information on operation, maintenance, and troubleshooting.
* **Drive Train:** Provides detailed information on the transfer case, propeller shaft, drive shaft, differential, axles, and suspension.
* **Brakes:** Explains brake systems, including parking brakes, and covers maintenance, inspection, and troubleshooting procedures.
* **Steering:** From the steering column to power steering, this section offers insights into operation, diagnosis, and repair.
* **Electrical Systems:** Includes detailed information on electrical components, wiring schematics, and troubleshooting guides for systems like air conditioning, climate control, supplemental restraint systems, seat belts, engine immobilizers, cruise control, wipers, washers, door locks, and more.
* **Body & Interior:** Covers the body, interior, and features, including seats, doors, windows, mirrors, and instrument panels.

By using this manual, you can gain the skills and knowledge to handle most repair tasks yourself, saving you time and money.

The 1971-1995 Chevrolet G10, G20, and G30 vans represent a significant chapter in the history of full-size vans, offering a robust platform for both commercial and personal use. These vehicles were designed with durability and versatility in mind, featuring sturdy construction and a wide range of configurations. The G10, G20, and G30 were all based on the same basic platform but differed in their payload capacities and engine options. The G10 was the most basic model, offering a relatively low payload capacity, while the G20 and G30 were designed for heavier hauling. Engine options ranged from small-block V8s to big-block V8s, providing a wide range of power and efficiency depending on the intended application.

The Chevrolet G10, G20, and G30 vans quickly gained popularity for their practicality and durability. Across their production run, these vans were extensively used for everything from transporting people and cargo to serving as mobile workshops and recreational vehicles. Their robust construction and simple yet effective design made them reliable workhorses, capable of handling tough conditions and demanding tasks. While these models have been discontinued, they remain a popular choice for those seeking a classic full-size van with a reputation for dependability. The ease with which these vehicles can be customized and modified further adds to their enduring appeal, making them a favorite among enthusiasts and hobbyists.