Factory service manual for the Oldsmobile Ninety Eight 1966 all versions. The type of information contained in this workshop manual include general servicing, maintenance and minor repairs, advanced repairs and rebuild guides. Topics include Engine, Gearbox, Differential, Suspension, Steering, Brakes, Interior Fittings, Exterior Fittings, Body Panels and Electrical Systems with wiring diagrams.
This is the original factory service workshop and repair manual, used in workshops by mechanics. It is a comprehensive informational book. From the manual you will have access to the most complete information on diagnosis, repair and maintenance used in official workshops. This information will help you repair your vehicle and perform maintenance yourself. Hundreds of information pages, work methods, electrical diagrams at your fingertips in a single download.
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Eighth generation (1965–1970)
The 1965 Ninety-Eight was completely redesigned from the ground up along with other full-size General Motors cars, but retained the larger C-body shared with Cadillac and Buick Electra in contrast to the B-body used in the Oldsmobile 88. The Ninety- Eight featured many of the lines found in the 88s, but in a more boxy style. The exclusive wheelbase of the Ninety-Eight had five body styles. The Custom Sport Coupe disappeared and the 4-door and 6-window body styles were replaced by 4-door and 4-window body styles. The Luxury Sedan was no longer a hardtop, but instead featured a more luxurious interior along with more standard amenities than the Town Sedan, such as power seats. Most of the ninety-eight luxury sedans also had vinyl roofs, which were offered in black only that year. For the first time since 1962, all hardtops were renamed Vacations.
Standard equipment included Automatic Transmission, Power Steering and Brakes, Power Windows, Clock, Padded Dashboard, Foam Padded Seats, Parking Brake Light, Deluxe Steering Wheel, Special Wheel Covers, Electric Two Speed Windshield Wipers and Wipers, Courtesy Lights and glove compartment, and front seat belts. The standard tire size was 8.55 x 14 inches. A new Turbo-Hydramatic three-speed automatic transmission with torque converter replaced the sad Roto Hydramatic three-speed that Oldsmobile had been using for the past three model years. Along with the redesigned transmission and platform, the engine was also new for 1965. It was a 425-cubic-inch (7.0 L) Super Rocket V8 that was more powerful and more efficient in design than the older 394-cubic-inch Rocket. (6.5 L) V8 used previously, but it was much lighter. The Ninety-Eight’s only standard engine offering for 1965 was the four-barrel “Ultra High Compression” version of the 425 Super Rocket rated at 360 horsepower (270 kW). Ninety-eight were built in Lansing alone.
Between 1965 and 1975, Oldsmobile commissioned Cotner-Bevington to manufacture professional cars (ambulances and hearses), using the large Ninety-Eight chassis. Ironically, during the 1960s (1968), the only Oldsmobile professionally converted to a limousine was the smaller Toronado, known as the AQC Jetway 707.
Some luxury market buyers bought the Starfire or new Toronados in 1966, but the Ninety-Eight remained the full-size, high-end Oldsmobile. Five models were available, including a 4-door trio. Standard equipment included: Turbo-Hydramatic transmission; power steering, brakes, windows and seats; special wheel covers; front and rear seat belts; carpeting; two-speed windshield wipers and wipers; foam seat cushions; electric clock and special armrests on select models. The upholstery was cloth, vinyl, and leather. The standard tire size was 8.55 x 14 inches. Ninety-eight were built in Lansing.
In 1967 the sporty elegance of the Starfire disappeared. The Ninety-Eight and the Toronado were now Oldsmobile’s remaining luxury cars. There were five ninety-eight body styles available. Standard Ninety-Eight equipment included: armrests, power brakes, dual cigarette lighters, electric clock, carpets, lamp package, trim package, seat belts, power seats, power steering, turbo hydraulics, and power windows. The upholstery was fabric, vinyl, or leather. The standard tire size was 8.85 x 14 inches. Ninety-eight models were built in Lansing.
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