4/23/2021 0 Comments Nissan Yd25 Engine Manual
The YD engine is a 2.2 L 2.5 L Diesel I4 piston motor from Nissan.It has a cast iron block aluminium head with chain driven DOHC.Winner of the FY 1998 Sho-Ene Taisho (The Energy Conservation Prize).It is a non turbo engine utilising the VP44 electronic controlled rotary injection pump.
![]() It features the VP44 electronic rotary injection system and wastegated turbochargers. The VP44 pump models are easily spotted due to a flat acoustic cover over the motor. The injection system is commonrail with a variable vane turbocharger is intercooled and produces the most torque and power of all the YD22 engines. The commonrail version is easily distinguished from the VP44 model by the 4 injector bumps on the top of the acoustic cover.Non intercooled versions of this motor were also available with a reduced power rating. In the PresageBassara it is fitted sideways with a variable vane turbocharger (garrett GT1749V) and torque is limited to approximately 280 Nm (207 lbft) accommodate the 4 speed automatic gearbox attached. In the D22 NavaraKingcabFrontier the engine is essentially the same other than modifications to mounts, plumbing system and accessories to accommodate the longitudinal engine layout. The turbo is a wastegated IHI RHF4 which is also intercooled. The stronger gearbox allows it to produce more torque than the PresageBassara version. This DDTi engine had been last utilized in the the D22 and PresageBassara navara.The common rail versions of this engine are referred to in Europe as DCi. The commonrail engines are used in the D40 navara, late model D22 navara and the R51 pathfinder. This is the engine referred to below.YD25DDTi High Power had been developed in 2005 for the Nissan Navara (D40an as well as the Nissan Pathfinder (R51). It at first produced 126 kW (171 PS; 169 hp) 4,000 rpm and 403 Nm (297 lbft) of torque. In 2010, Nissan updated the engine for the Nissan Navara (D40) and Nissan Pathfinder (R51) facelift to create 140 kW (190 PS; 188 hp) and 450 Nm (332 lbft) of torque. In 2011 the Nissan Murano was fitted with the updated engine creating 140 kW (190 PS; 188 hp) and 450 Nm (332 lbft) of torque.
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