Buick Workshop Repair Manual. EWD
Repair and maintenance manual for Buick Verano, Terraza, Skylark, Roadmaster, Rendezvous, Rainer, Colored wiring diagrams, Engine and transmission repairs, Error codes, troubleshooting, All manuals can be downloaded free of charge in PDF format
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Buick Riviera
At the end of the 50s. at General Motors, they were carried away by the idea of reviving the La Salle brand (La Salle), which disappeared in 1940. The plans did not come true, but the stylists of the concern did not abandon the idea of starting the production of a new “personal luxury” car that would be a match for the last 4-seater Ford Thunderbird.
A new model with a wheelbase of 2.97 m, which was called the Riviera, was 0.35 m shorter than other “full-size” cars in this department. Designed by a team led by Bill Mitchell, the hard-top coupe body was sleek and detailed.
By European standards, it was a very large car. Tests carried out in 1965 by the English magazine Autocar (Otokar) showed that it weighs almost 2 tons, its length is 5.34 m, and gasoline consumption is 25.6 l / 100 km. With a 7-liter engine, it develops a maximum speed of 196 km / h, accelerates from standstill to 161 km / h in 21.1 s, and when passing a quarter mile (about 400 m), it is practically not inferior to a Jaguar E car (Jaguar E).
In an unfathomable way, these cars attracted everyone’s attention and became leaders, immediately securing their success in the United States. In 1963, 40 thousand Buick Riviera were sold, in 1964 – 37658 units. The following year, changes were made to the front of the body (the headlights were hidden behind the lining, and the taillights were built into the bumper) and another 34,586 cars were sold. By this time, the biggest was a 360 hp engine that worked with a 3-speed automatic transmission, making it extremely attractive to America’s wealthy middle class. Despite the two-door bodywork, the Riviera was a true four-seater and had a shallow but spacious trunk.
Buick Grand National
During the 70s and early 80s. Buick produced a large series of mid-size, rear-wheel drive Century (Century) sedan and station wagons. A special version of this model – a six-seater coupe – was called Regal (Rigel). At the end of the 70s. there were several variants with V6 and V8 engines, as well as with a 4.3-liter diesel engine. In 1983, Buick again decided to release a special version of the Regal. Called the Grand National after the American NASCAR series, it used the old 90° V6 engine, fitted with a Garrett turbocharger and dual exhaust system. Power increased to 200 hp. at very high torque.
At the same time, the Grand National received cast alloy wheels, a “muted” design (including body-colored bumpers) and a four-speed gearbox. It turned out the most powerful sports coupe, which could develop a speed of 201 km / h. By 1987, engine power, through the use of a fuel injection system and a charge air intercooler, had increased to 245 hp, which would have allowed the Grand National to accelerate to 217 km / h (provided that the tires could withstand).
In 1988, the Regal was completely redesigned with a switch to front-wheel drive and the elimination of turbocharging. In the final months of production, the latest “edition” of Regal, the “GNX” version, appeared. With the same angular appearance, it received an engine with a more powerful turbocharger and a more efficient intercooler. With a power of at least 300 hp. and with a modified rear axle guide “GNX” passed 400 m from a standstill in 13.4 s, accelerating to 167 km / h by this moment and continuing to accelerate. Only 500 “GNX” were produced on wide tires, but they became the swan song of the long-lived model!
Buick Reatta
For years, Buick management cherished the dream of a sports car, but always met with resistance from the highest ranks of General Motors. Buick, they said, produces luxury cars, and sports cars for the concern are allowed to be assembled by Chevrolet (Chevrolet) and Pontiac (Pontiac).
But representatives of Buick did not let up, and by the mid-80s. the branch received the long-awaited permission to produce a two-seater car. The result appeared in 1988. It turned out to be the Reatta model, whose smooth contours were so graceful that one could only guess where it came from: from the UK, Italy or Japan?
The Reatta was a compact front-wheel drive car on a transverse-engined platform similar to the Buick Somerset and Pontiac Grand Am. Unlike traditional General Motors cars, it was a simple and thoroughbred two-seat coupe. No one tried to call it a “computer car”.
Although the appearance of the Reatta was quite individual, the influences of Porsche (Porsche), Toyota (Toyota) and the Mazda RX (Mazda) were felt. The contents, typical of the late 80s, were hidden under the body. for the General Motors concern. This is a V6 engine, the basis of which was created in the early 60s, a 4-speed gearbox, front independent suspension with MacPherson struts.
The shape of the body was carefully worked out (Ca = 0.34), the car was perfectly equipped. The car was able to gain speed of 96 km / h in 10 s. Buick claimed a top speed of 201 km/h and, unlike the Grand National, fitted all-wheel disc brakes and fully independent suspension, turning the Reatta into a true sports car.
In 1991, a convertible was added to the series, and the maximum engine power increased to 173 hp.