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Technical Service Bulletins (TSBs) are document recommended procedures for repairing vehicles issued by a vehicle manufacturer when there are several occurrences of an unanticipated problem. [1] TSBs can range from vehicle-specific to covering entire product lines and break down the specified repair into a step-by-step process.
DEXRON-II (E) was composed of Group 2 base oil plus an additive package. According to the GM Technical Service Bulletin 92-7-2 issued on October 2, 1991, DEXRON-II(E) has better anti-foaming characteristics, improved low-temperature flow characteristics (low-temperature viscosity), and improved high-temperature oxidation stability.
Among the goals for the new engine were increased horsepower, and elimination of some of the problems encountered with the original design, such as head-gasket failures and oil leaks. [31] Winchell first built an engine with displacement increased to 176 cu in (2.9 L), but this only made the existing head-gasket problems worse.
The other disadvantage of Roto HydraMatic was the extreme oil pressures in the small 8" fluid coupling, which caused transmission leaks. All HydraMatic transmissions suffer some shift quality with today's ATF fluid. The original "Type A" fluid that these transmissions take is available only at O'Reilly Auto Parts.
The LSSV is a GM-built Chevrolet Silverado 2500 HD, Chevrolet Tahoe, or Chevrolet Suburban that is powered by the 5.3 L V8 for the Tahoe, 6.0 L V8 for the Suburban, and a Duramax 6.6 L V8 turbo diesel engine for the pickup trucks. As GM has periodically redesigned its civilian trucks and SUVs since 2001, LSSVs have also been updated cosmetically.
At the time, GM marketed vehicles in the US under the Chevrolet, Pontiac, Oldsmobile, Buick, Cadillac, and GMC brands. Television commercials in the United States used actor Barry Coe as a spokesman. Jerome H. Peleaux was the creator and tester of the program for GM. Former logo of GM Certified Service, then GM Goodwrench
GM Inside News (abbreviated GMI) is an Internet Forum focused on General Motors, its brands and products. While truly "inside" news is rare on this site, when GMI does get a "scoop" bigger and more established publications have been known to use the popular site as a source. As of recent GMI shows info from all car makers, not just General Motors.
The GMC straight-6 engine was a series of gasoline-powered straight-six engines introduced in the 1939 model year by the GMC Trucks division of General Motors.Prior to the introduction of this new engine design GMC trucks had been powered by straight-six engines designed by the Buick, Pontiac and Oldsmobile divisions of GM.