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The 8L 90 is the subject of a class-action lawsuit filed in December 2018 that alleges the transmission suffers from persistent "shudder" issues and that GM has known about the problems since its introduction and has failed to provide a solution, instead choosing to wait until the unit is out of warranty. [16]
General Motors was ordered by a federal appeals court to face a class action claiming it violated laws of 26 U.S. states by knowingly selling several hundred thousand cars, trucks and SUVs with ...
Drivers may notice harsh shifting before any wheel problems. GM says in documents that dealers will install new transmission control software that will monitor the valve and detect excess wear ...
The 6L 50 (and similar 6L 45) is a 6-speed longitudinally-mounted automatic transmission produced by General Motors.It is very similar in design to the larger GM 6L 80 and 6L 90, and is produced at GM Powertrain plants in Toledo, Ohio; Silao, Guanajuato, Mexico; and by the independent Punch Powerglide company in Strasbourg, France.
The first Pontiac Tempests used a modified version of the Powerglide transaxle shared with the Chevrolet Corvair. But unlike the Corvairs, the TempesTorque was connected via a flexible drive shaft to an unconventional slant-4 (half of a 389 V-8) or an aluminum 215 c.i. V-8, which would be later sold to the Rover Group and be renamed the 3500 V-8.
For 1991 GM introduced the 4T60-E which was a 4T60 with electronic controls, first seen on the new Buick Park Avenue.One benefit was that the cruise control was integrated into the gearbox' electronic control module, improving the ability to maintain a set speed while avoiding needless shifting, thus lowering fuel consumption and noise levels. [1]
The first version, RPO code MG2 was used for all GM V6 applications (FWD and the RWD Fiero) and the second version, RPO code MG1, was used for the 2.0 L turbocharged engine used by Pontiac and Buick. Gear ratios are given below, as taken from the GM Product Service Training Manual. MG2 and MG1 ratios: 1st gear: 3.50:1; 2nd gear: 2.05:1 (MG1: 2. ...
Learn how to download and install or uninstall the Desktop Gold software and if your computer meets the system requirements.