However, for vehicles used primarily for towing, taxi or in mountainous environments transmission fluid change every 60,000 km is recommended. It is a sealed for life unit, using proprietary transmission fluid which is labelled as being maintenance free. Opel Astra), it automatically selects neutral gear to reduce internal temperatures and improve fuel economy. One aspect of the advanced nature of the electronics is at idle (along with required foot brake depression on e.g. The advantage of this is to reduce external wiring as well as to provide a constant environment for TCM operation which encourages longevity. The transmission control module (TCM) is located inside the transmission housing, instead of being located outside it. Gear changes are accomplished by one clutch engaging the instant the clutch from the previous gear disengages. The shifting of gears is managed by a sophisticated computer programme which oversees a clutch-to-clutch actuation. This combination is known as a Lepelletier arrangement. Its combined use of a conventional 5-pinion planetary gearset and a compound Ravigneaux gearset makes it incredibly light and compact. It measures 358 mm (14.1 in) in length and weighs 90 kg (198 lb). The design team set out to create a 6 speed automatic that fits in the same space as a manual gearbox. It is designed to handle a maximum of 450 N⋅m (331.9 ft⋅lbf) of torque. The Aisin AW TF-8# SC series is a 6-speed automatic transmission designed for use in transverse engine applications and produced by Aisin Seiki. The Lepelletier geartrain can be identified by the stationary sun gear in the input planetary gearset (figure 2). To get six speeds, this transmis- sion uses the Lepelletier geartrain. It’s also used, in different con- figurations, by Volkswagen (09G), Mini Cooper (Aisin TF-60SN) Mazda (AW6A-EL) and Volvo (TF-80SC). Details Tooling TCC/Lockup Symptoms TCC codes, TCC apply & release concerns, RPM surge on light acceleration Lockup Clutch Control Plunger Valve Kit 15741-53K TCC codes, TCC apply & release concerns, RPM surge on light acceleration, Harsh downshifts Lockup Clutch Control Valve Kit 15741-29K. Aisin AW TF-80SC Symptoms/Part Type Product Name Part No. Aisin Warner TF-80SC TF80SC 6 Speed Geartronic Automatic Transmission Service How To DIY TutorialTF - 80SC How to measure check Auto Trans Fluid Oil LevelSee.
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