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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.
2005–present 6L80 · 6L90 — 6-speed heavy-duty (used in GM trucks and performance cars) 2014–present 8L 90 — 8-speed heavy-duty (used in GM trucks and performance cars) 2016–present 8L 45 — 8-speed light-duty (used in GM luxury cars) 2017–present 10L80 — Ford-GM 10-speed automatic (used in GM light trucks pickups and related SUVs)
The GM–Ford 6-speed automatic transmission is an automatic transaxle originally designed for transverse engine applications in cars. With design work having begun in 2002, General Motors and Ford Motor Company jointly committed to investing US$720 million in their manufacturing plants to support the new transmission.
By activating and deactivating the solenoids in a predetermined pattern by the PCM, 4 distinct gear ratios can be achieved. The last 4L60Es were only used in the GM Vans in 2013, before being replaced by the 6L80E. The shift solenoid pattern, also sometimes referred to as solenoid firing order, is as follows; Shift Solenoid Pattern
The 6R is a 6-speed automatic transmission for longitudinal engine placement in rear-wheel drive vehicles. It is based on the ZF 6HP26 transmission [1] and has been built under license by the Ford Motor Company at its Livonia Transmission plant in Livonia, Michigan.
The electronically controlled transmission is designed around a fully articulated Ravigneaux planetary gearset that is controlled by electronically timed application of several range-specific hydraulic clutches, in combination with mechanical one-way sprag clutches.
A unique triple-clutch assembly on a dedicated intermediate shaft, placed in the middle of the architecture, replaces two ordinary clutches and is the key for packaging the 10-speed unit into the same space as the previous transmission. [8]
6 Variable Force Solenoids · 1 for each clutch · 1 for TCC Torque converter clutch Variable Force Solenoid ECCC · 2 path · turbine damper Converter size 238 mm (9.37 in) 258 mm (10.16 in) Fluid type DEXRON High Performance ATF Fluid capacity 10.8 L (11.4 US qt) [a] 10.3 L (10.9 US qt) [b] Weight 80 kg (176 lb) [a] 98.9 kg (218 lb) [b]