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Particles in the oil can also cause serious problems with oil pressure. After oil flows through the engine, it returns to the oil pan, and can carry along a lot of debris. The debris can cause problems with the oil pickup screen and the oil pump itself. The holes in the oil pickup screen measure about 0.04 square inches (0.26 cm 2). [6]
GM referred to these engines using a six-character code, such as Y20DTH. The first letter is X for Euro 2 engines, and Y for those meeting the Euro 3 emissions standard . The two digits are 20 for 2 litres (actually 1,995 cc), and 22 for 2.2 litres (actually 2,171 cc).
The X25XE also benefitted from a higher-volume oil pump. Firing order is 1-2-3-4-5-6. The breakdown of the engine name [1] is as follows: X – Exhaust emissions level: 94/12/EC, stage 2; 25 – Displacement: 2.5 litres; X – Compression ratio: 10.0–11.5:1; E – Mixture system: Injection; Applications: Holden VS Commodore (export only) 1993 ...
6.2L fitted to a 1987 HMMWV. The original 6.2 L (379 cu in) diesel V8 was introduced in 1982 for the Chevrolet C/K and was produced until 1993. The 6.2L diesel emerged as a high-fuel-economy alternative to the V8 gasoline engine lineup, and achieved better mileage than Chevrolet's 4.3L V6 gasoline engine of the 1980s, at a time when the market was focused on power rather than efficiency.
The engine's timing components are located at the rear of the engine, and feature timing chains to drive the camshafts and high pressure fuel pump, and a wet belt to drive the oil pump. [1] Most of the development and engineering work for the LM2 Duramax, as well as primary calibration took place in Turin, Italy.
Diesel engine runaway is an occurrence in diesel engines, in which the engine draws extra fuel from an unintended source and overspeeds at higher and higher RPM, producing up to ten times the engine's rated output until destroyed by mechanical failure or bearing seizure due to a lack of lubrication. [1]
GM CFO Paul Jacobson added that launching and operating a robotaxi service would take a significant amount of capital, beyond the $10 billion or so GM already spent on Cruise.
GM Family B engine Family Z is a turbocharged common rail diesel engine produced by General Motors Korea since 2010. It replaced VM Motori RA 420 diesel engine in a number of GM applications, such as the diesel versions of vehicles sold as Chevrolet made for North America, Daewoo made for Korea, Opel made for Europe and Holden made for Australia.