This comprehensive 1989 Buick Reatta Service and Repair Manual provides detailed instructions and diagrams for maintaining, servicing, diagnosing, and repairing all models of 1989 Buick Reattas. This manual is the same one used by technicians at dealerships, ensuring you have the most accurate and up-to-date information. It includes step-by-step instructions, illustrations, wiring schematics, and specifications for all aspects of your vehicle.

The manual covers a wide range of topics, including:

* **Maintenance:** Routine maintenance procedures, such as oil changes, filter replacements, and fluid checks.
* **Engine:** Detailed information on the Reatta's engine, including troubleshooting, repair, and performance tuning.
* **Control System:** Guidance on electronic control systems, such as the engine control unit and transmission control module.
* **Mechanical:** Information on all major mechanical components, including the suspension, brakes, steering, and drivetrain.
* **Fuel Service Specifications:** Detailed specifications for fuel systems, including fuel injectors, fuel pumps, and fuel lines.
* **Emission Control:** Information on emission control systems, including catalytic converters, oxygen sensors, and evaporative emissions systems.
* **Intake Exhaust Cooling:** Guidance on intake and exhaust systems, including manifolds, valves, and cooling systems.
* **Lube:** Specifications and procedures for lubrication, including oils, greases, and fluids.
* **Ignition Starting Charging:** Detailed information on ignition, starting, and charging systems, including spark plugs, ignition coils, and alternators.
* **Auto Transmission Clutch:** Information on automatic transmissions, including troubleshooting, repair, and fluid changes.
* **Manual Transmission:** Instructions for maintaining and repairing manual transmissions.
* **Transfer Propeller Shaft:** Details on transfer cases, propeller shafts, and related components.
* **Drive Shaft:** Information on drive shafts and related components.
* **Differential:** Guidance on differentials, including troubleshooting and repair.
* **Axle Suspension:** Detailed coverage of axles, suspension systems, and related components.
* **Tire & Wheel:** Information on tires, wheels, and wheel alignment.
* **Brake Control:** Instructions on brake control systems, including anti-lock brakes (ABS) and electronic brake force distribution (EBD).
* **Brake:** Detailed information on brake systems, including calipers, rotors, pads, and drums.
* **Parking Brake:** Instructions on parking brake systems, including adjustment and repair.
* **Steering Column:** Information on steering columns and related components, including steering wheels and steering shafts.
* **Power Steering:** Detailed information on power steering systems, including pumps, hoses, and steering gear.
* **Air Condition:** Instructions on air conditioning systems, including troubleshooting, repair, and refrigerant charging.
* **Suppl Restraint System:** Information on supplemental restraint systems, including airbags and seat belts.
* **Seat Belt:** Details on seat belt systems, including adjustment and repair.
* **Engine Immobilizer:** Information on engine immobilizer systems, including anti-theft devices.
* **Cruise Control:** Instructions on cruise control systems, including troubleshooting and repair.
* **Wiper & Washer:** Details on wiper and washer systems, including motors, blades, and pumps.
* **Door Lock:** Information on door lock systems, including locks, latches, and actuators.
* **Meter Audio/Visual:** Guidance on instrument panels, gauges, and warning lights.
* **Horn:** Instructions on horn systems, including troubleshooting and repair.
* **Windshield/Glass Mirror:** Information on windshields, windows, and mirrors.
* **Instrument Panel:** Details on the instrument panel, including dashboards and controls.
* **Seat:** Instructions on seats, including adjustment and repair.
* **Engine Hood/ Door:** Information on engine hoods, doors, and related components.
* **Exterior & Interior:** Details on the exterior and interior of the Reatta, including styling, trim, and upholstery.
* **Electrical:** Comprehensive coverage of electrical systems, including wiring diagrams, troubleshooting, and repair.
* **Multiplex/Can Communication:** Information on multiplex and CAN communication systems, which control various functions in the vehicle.

This manual is a valuable resource for anyone who wants to maintain, service, or repair their 1989 Buick Reatta. You can print out the pages you need and take them with you to your garage or workshop.

The 1989 Buick Reatta, a luxurious coupe that embodied the spirit of the late 1980s, marked a departure from the traditional Buick lineup. This two-seater, designed by a dedicated team at GM's Design Center, was a bold statement of individuality, a blend of sleek styling and cutting-edge technology. The Reatta, penned by a team led by David North, boasted a distinctive, aerodynamic profile, with a long hood, raked windshield, and a sloping roofline culminating in a short rear deck. This distinctive design, reminiscent of the 1950s concept cars, stood apart from the more conservative Buick models of the era. Under the hood, the Reatta housed a 3.8-liter, 16-valve, V6 engine, mated to a four-speed automatic transmission, producing a respectable 170 horsepower. This engine, codenamed "3800", was a testament to GM's engineering expertise, renowned for its smoothness and fuel efficiency.

The Reatta was not just a stylish coupe, but a technological marvel for its time. It featured a plethora of advanced amenities, including an optional digital instrument cluster, power-adjustable seats with memory function, a state-of-the-art sound system, and a sophisticated climate control system. The car's interior was crafted with luxurious materials like leather upholstery, wood trim, and plush carpeting, creating an opulent and comfortable driving environment. The 1989 Reatta was targeted at those seeking a distinctive, sporty, and luxurious driving experience. While its production run was relatively short, lasting only six years, the Reatta gained a devoted following among enthusiasts who appreciated its unique design, technological features, and its position as a symbol of its era. The 1989 Buick Reatta, with its service and repair manual, remained a testament to the ingenuity and craftsmanship of the era, providing a fascinating glimpse into the world of luxury automobiles of the late 1980s.