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Home >> Jaguar >> 2014 >> XK Base, 2D Coupe >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission/Transaxle - V8 N/A 5.0L Petrol / V8 S/C 5.0L Petrol -- XK/X150 >> Automatic Transmission / Transaxle - V8 N/A 5.0L Petrol / V8 S/C 5.0L Petrol >> Transmission Description >> Description And Operation >> Principles Of Operation >> Power Flow Reverse Gear

Power Flow Reverse Gear

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The JaguarDrive selector and the selector spool valve are in the 'R' position. Engine torque is transmitted from the torque converter turbine shaft to ring gear 1 of the single web planetary gear train and the outer plate carrier of clutch 'E'.

Ring gear 1 drives the planetary gears of the single web planetary gear train which rotate around the fixed sunwheel 1. This transmits the drive to the single web planetary gear carrier, the outer plate carrier of clutch 'A' and the inner plate carrier of clutch 'B'.

With clutch 'B' applied, sunwheel 2 in the double web planetary gear train is driven and meshes with the long planetary gears.

The double web planetary gear carrier is locked to the transmission housing by brake clutch 'D'. This allows ring gear 2 to be driven in the opposite direction to engine rotation by the long planetary gears.

NOTE: Refer to 'Shift Elements' illustration for key
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