Land Rover Discovery: Load carrying

 Four-wheel Drive Systems - Vehicles With- Active Driveline - Operation

OPERATION POWER TRANSFER UNIT (PTU) The Active Driveline Power Transfer Unit (PTU) input shaft is driven directly from the transmission differential. When the hydraulically operated triple cone synchroniser is in the disengaged position (B in the following illustration), the crown wheel shaft and th

 Diesel exhaust fluid (DEF)

In order to comply with exhaust emissions requirements, some vehicles with diesel engines are fitted with a reservoir containing Diesel Exhaust Fluid (DEF). In some markets, DEF is known as AdBlue, AUS 32 and ARLA 32. Note: It is a legal requirement that the DEF system is used correctly, as detailed