2011 Ford Explorer.
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Dearborn, Michigan. July 26, 2010.
Ford’s iconic Explorer has been reinvented and redeveloped to create new expectations for SUV fuel efficiency and performance. It will be the new class leader in its segment with fuel economy improvements reaching more than 30 percent.
“This all-new Explorer adds class-leading fuel efficiency to a legendary portfolio of capability, performance and customer convenience,” said Jim Holland, chief nameplate engineer. “SUV customers in general – and Explorer customers specifically – told us they want the freedom and empowerment Explorer always has stood for, with improved performance and significantly increased fuel economy.”
Offering two new engines – the technologically advanced turbocharged, direct-injection four-cylinder that is the latest in the Ford Motor Company EcoBoost commitment and a responsive, fuel-efficient V6 – the new Explorer balances capability with environmental responsibility.
Explorer V6 sets new standard.
The Explorer 3.5-liter V6 is offered as standard equipment across base, XLT and Limited models. Delivering an anticipated improvement in fuel economy of more than 20 percent versus the current Explorer, this smooth and powerful V6 enables intelligent four-wheel drive (4WD) with terrain management. The improvement in efficiency helps Explorer to surpass fuel economy figures for the 2010 Honda Pilot and other vehicles in the segment.
Using Ti-VCT for optimized fuel economy and reduced part-throttle emissions, this engine delivers an estimated 290 horsepower and 255 lb.-ft. of torque.
This V6 engine has been highly developed for the Explorer application, with multiple actions that enhance mechanical efficiency, increase fuel economy, lower emissions, reduce operating costs and bolster durability.
Mechanical efficiency, performance and fuel economy have been improved through Ti-VCT, a low-tension drive belt featuring a one-way clutch for the alternator, a direct-acting mechanical bucket (DAMB) valvetrain with polished buckets to reduce friction, piston-cooling jets, improved bay-to-bay breathing through the cylinder block and composite cam covers that reduce engine weight.
Ti-VCT allows precise, variable control of valve overlap, or the time when intake and exhaust valves are open concurrently. This enables increased mechanical efficiency for improved response and performance, while optimizing fuel economy. In part-throttle conditions, Ti-VCT helps reduce emissions.
The 3.5-liter V6 also features improved deceleration fuel shutoff technology to maximize fuel economy in closed-throttle situations.
The Explorer V6 has been engineered for durability with a chain-driven camshaft, high-strength forged powder metal connecting rods with floating pins, fully counterweighted forged steel crankshaft, a die-cast aluminum deep-sump oil pan and four-bolt main bearing caps with side bolts through the engine block.
Noise, vibration and harshness (NVH) characteristics are controlled and reduced through a tuned composite upper and lower manifold, the silent-chain cam drive and an acoustic engine cover.
The Explorer 3.5-liter V6 delivers best-in-class fuel economy yet offers power to tow up to 5,000 pounds when properly equipped.
EcoBoost 2.0-liter I-4 delivers normally aspirated V6 punch.
For SUV drivers seeking maximum fuel efficiency, Ford introduces the all-new Explorer with an available EcoBoost2.0-liter I-4. Combining direct injection of gasoline and turbocharging, this advanced engine delivers performance comparable to normally aspirated competitive V6 engines. Developing up to 237 horsepower at 5,500 rpm, this I-4 delivers 250 lb.-ft. of torque.
Estimated fuel economy improves by more than 30 percent, putting the fuel efficiency of the Ford Explorer in line with sedans such as the 2010 Toyota Camry V6.
Like other Ford EcoBoost engines, peak torque is generated at a low 1,700 rpm across a broad band to 4,000 rpm. This torque plateau makes for flexible, efficient power delivery across a wide range of engine and vehicle speeds, while helping save fuel by making power at lower rpm levels. Ti-VCT, four valves per cylinder and DAMB valve lifters increase mechanical efficiency through improved engine breathing across the broad power and torque bands.
A relatively high compression ratio is enabled by the use of direct gasoline injection, operating at fuel pressures from 2,200 to 2,800 psi. The unique turbocharger is optimally matched to the EcoBoost I-4 engine and SUV vehicle performance behavior. Precise fuel pressure control allows the Explorer I-4 to deliver boosted power at low rpm, without annoying turbo lag.
The EcoBoost I-4 uses 5W30-GF4 oil to reduce friction and reduce cost of ownership through 10,000-mile oil change intervals.
Targeted durability is 10 years, or 150,000 miles. Durability actions include enhanced oil filtration and cleanliness, the addition of an aluminum oil cooler with improved heat dissipation and cast inter-bore cooling inside the aluminum engine block. This engine represents the initial U.S.-market application of the brick-style charge-air cooler, delivering increased thermal efficiency.
The new 2.0-liter EcoBoost engine is being introduced globally by Ford Motor Company, with applications in various products in Europe, Asia and Australia, in addition to the new Explorer.
EcoBoost technology will serve as a key element in Ford’s global sustainability efforts, powering up to 1.3 million vehicles on an annual basis by 2013.
Six-speed transmissions help performance and economy.
The unique six-speed transmission paired with each Explorer offers performance and economy advantages with the flexibility of optimum gearing for every situation. Lower gears provide the benefit of improved acceleration from a full stop, while higher gears help increase fuel economy by allowing the engine to operate at lower speeds when cruising.
Explorer XLT and Limited models offer a SelectShift Automatic™ transmission, allowing drivers to manually change gears using a shifter-mounted +/- toggle switch.
Explorer powertrains have been developed to provide SUV drivers with the power and capability they expect and deserve, coupled with the fuel economy they really want.
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