Jeep completes the Grand Cherokee by submitting to the Geneva Motor Show (3-13 March), the Grand Cherokee 3.0 CRD engine equipped with the new 3.0-liter V6 turbodiesel in collaboration between Fiat Powertrain and VM Motori , recently became part of the galaxy Lingotto. The new turbodiesel makes it more attractive, especially in Italy, the flagship of the Jeep, so far available with the V6 petrol engines Pentastar 3.6-liter V8 and 5.7-liter.
The new 3.0-liter turbodiesel engine generates a maximum power of 241 hp at 4,000 rpm and a torque of 550 Nm at 1800-2800 rpm consumption amounted to 8.3 l/100 km in combined cycle , 10 , 3 l/100 km in the urban cycle and 7.2 l/100 km in the extra urban cycle and emissions equal to 218 g / km. The new 3.0-liter turbodiesel engine is a compacted graphite cast-iron block with aluminum cylinder heads and oil pan (from 7.7 liters), also made of aluminum with two elements. The bore is 83 mm and stroke of 92 mm, for a total displacement of 2,987 cc . The new engine has the following dimensions: length 695 mm, 729 mm wide and 697.5 mm in height, with a total weight of 230 kg. The heads are of type double shaft overhead cam with chain drive and four valves per cylinder. The intake and exhaust respectively have a diameter of 28 mm and 24.5 mm. The pistons are made of cast aluminum, while the compression ratio of the new diesel engine has been reduced to 16.5:1. The common rail injection system from 1800 bar uses the same technology Multijet II developed and patented by Fiat Powertrain and engine debuted in 2009 on 1.3 Small Diesel Engine presented on the Point Evo . The new 3.0-liter CRD engine uses a single turbocharger with variable geometry Garrett VGT 2056. This engine has a cast iron exhaust manifolds, catalytic converter, oxidation-tight connection and particulate filter as standard . Compliance with the strict Euro 5 emissions is provided through a system of exhaust gas recirculation (EGR) equipped with DC motor EGR valve and EGR cooler bypass with high performance.
Have not yet been formalized performance Jeep Grand Cherokee 3.0 CRD, Jeep, but anticipates that will be available from June in the fitting Laredo, Limited and Overland. Laredo and Limited are only available with the new 3.0 CRD and the top of the range Overland will be available on three engines in the range including the new petrol engine Pentastar V6 3.6-liter and 286 hp and 352 hp V8 5.7 litri.da .
