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AUTOMATIC TRANSMISSION 5A-45 BANDS The transmission utilises two bands, the B1 band (sometimes known as the 24 band), and the B2 band (sometimes The B1 band is a flexible band which is engaged by the front servo piston. B1 is activated in second and fourth gear. The B2 band is a solid band which is engaged by the rear servo piston. B2 is activated in Park, Reverse, Neutral and Manual 1. When activated B2 prevents the planet carrier assembly from rotating. In Manual 1 Figure 4.4- Bands ONE WAY CLUTCHES The transmission uses two OWCs, the 1-2 OWC and the 34 OWC. (Note that a third OWC is located in the torque The 1-2 OWC is located between the planetary carrier assembly and the centre support. This allows the carrier to The 3-4 OWC is located between the C4 and the C2 clutch assemblies. This allows the C2 clutch to drive the forward PLANETARY GEAR SET The planetary gear set used in the transmission is a conventional six pinion Ravigneaux compound gear set. |