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2014 2014/10

1950 Buick Chassis Sheet Metal Maintenance

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The most satisfactory method of preventing a paint "scrubbing" condition between the hood and front fenders on 1949 Series 50 and 70 cars is to install 1950 type hood guides and spacers. This installation will also simplify hood alignment because it automatically spaces the split line between the hood and fenders. Installation is made as [...]

2014 2014/02

1950 Buick Body Maintenance

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We have received many requests for installation instructions and a list of parts required to install lower side mouldings on Model 43, 46 and 46S jobs, not originally equipped with the mouldings. Installation of these mouldings cannot be made in a hap-hazard manner. Very accurate retaining clip locations are required so that the mouldings will [...]

2014 2014/02

1950 Buick Chassis Suspension Maintenance

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This section of the 1950 Buick Product Service Bulletins is about the 1950 Buick Chassis, the 1950 Buick Suspension, Maintenance and its parts. A recent production change has been made in all Series 1950 shock absorber calibrations, except Model 79. The following list shows part numbers for first and new type shock absorber assemblies and [...]

2014 2014/02

1950 Buick Radio and Accessories Maintenance

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Correspondence received from some owners indicates that a method of reducing heater blower speed would be helpful during moderately cold weather. To assist owners desiring this modification, the Parts Department has made available a four position switch, allowing three blower speeds, with subsequent quieter operation. Ordering information is as follows: Group 8.852, Part No. 1997873, [...]

2014 2014/02

1950 Buick Electrical Systems Maintenance

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During the past few months it has been reported that the standard 1950 Buick Electrical Systems testing procedure is not sufficiently complete for checking batteries which become discharged repeatedly in service. The procedure has been to recharge at the low rate the battery which has become discharged and to subject it to a high rate discharge [...]

2014 2014/02

1950 Buick Frame Maintenance

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The service stock of Group 7.010, Part No.1393687, 1950 Buick Frame Front Cross Member for 1948-40-50 and 1949-40 jobs will be supplied with revised end flanges. This revision makes it necessary to weld the cross member to the side rails instead of using rivets as originally found in production 1950 Buick frames.

2014 2014/02

1950 Buick Brake Maintenance

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We have recently checked several cases where a "crunching" noise occurs when brakes are applied at low car speeds. Although this noise can be caused by several points of movement in the 1950 Buick brake assembly, it appears that a major portion originates between the 1950 Buick brake shoe hold-down spring retainers and the brake shoe [...]

2014 2014/02

1950 Buick Steering Gear Maintenance

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A sponge rubber 1950 Buick steering column dash pad is now being used in production. This replaces 1950 Buick steering column dash pad shield assemblies, Part Nos. 1339957, 1341744 and 1341745. Should the need arise for installing the new pad in service, the following procedure should be followed: The dash insulator (1950 Buick steering column) [...]

2014 2014/02

1950 Buick Rear Axle Maintenance

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This section of the 1950 Buick Service Bulletins is about 1950 Buick Rear Axle Maintenance. Page 37 of the 1949 BPS Abridged Edition describes improved service differential gears available for 1940-41-42-H42 Series 40 and 50 cars. The Parts Department has now replaced the 1393200 gearset (4.454-1 ratio with case) with the 1393765 gearset which is [...]

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