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Accord's V-6 engine is inherently very easy and has compact general dimensions that permit environment friendly packaging within the vehicle.

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The Honda Accord Crosstour comes commonplace with a 271 horsepower V-6 engine, a 5-speed Florida Honda automatic transmission and is out there with the corporate's innovative Real Time™ 4WD system. The 3.5-liter, 24-valve SOHC i-VTEC powerplant with Variable Cylinder Management (VCM) that builds on technologies which were developed and refined on previous Honda vehicles. With its 60-diploma V-angle, the Accord's V-6 engine is inherently very smooth and has compact overall dimensions that allow environment friendly packaging throughout the vehicle. The automatic transmission features a new G-force hold control feature along with an RPM rev-matching that includes when downshifting.

Powertrain Summary

* 3.5-liter i-VTEC V-6 engine with VCM
* 271-horsepower @ 6200 RPM, 254 lb-ft. of torque at 5,000 RPM
* Customary 5-pace automatic transmission and available Real Time 4WD
* Metropolis/freeway Used Cars gasoline economy of 18/27 miles per gallon (2WD)1
* Emissions: ULEV-2 (CARB) / Tier 2, Bin 5 (Federal)

New Know-how and Exclusive Options

* Expanded VCM engagement vary for improved overall gasoline New Honda's efficiency
* Newest version of Energetic Management Engine Mounts
* Newest version of Active Lockup Torque Converter
* Automatic transmission lateral G-power gear maintain management (Honda brand first)
* Automated RPM rev-matching when downshifting (Honda model first)

Engine Architecture
The Accord Crosstour's engine is a sophisticated 3.5-liter, SOHC, 24-valve, 60-degree, V-6, aluminum-block-and-head design that is compact, Auto Specials lightweight and powerful. The i-VTEC valvetrain and high efficiency consumption manifold optimize cylinder-filling efficiency throughout a wide range of engine speeds. Low-restriction consumption and exhaust programs, a 10.5:1 compression ratio and curler-sort rocker arms further help effectivity and energy delivery throughout a broad RPM range.

The Accord Crosstour's V-6 has a die-solid lightweight aluminum alloy block with cast-in-place iron cylinder liners. Made with a centrifugal spin casting process, the skinny-wall liners are excessive in energy and low in porosity. The block incorporates a deep-skirt design with four bolts per bearing cap for rigid crankshaft assist and minimized noise and vibration. Both the block and caps are heat handled for higher strength.

A forged steel crankshaft is used for max energy, rigidity and durability with minimum weight. As a substitute of heavier nuts and bolts, connecting rod caps are secured in place with smaller, excessive-tensile-strength fasteners that screw instantly into the connecting rod. Short-skirt, forged-aluminum, flat-prime pistons are notched for valve clearance and fitted with full-floating piston pins.

2010 Honda Accord Crosstour i-VTEC V-6 engine

Like different Honda V-6 powerplants, the Accord Crosstour V-6 cylinder heads are a single-overhead-camshaft design, with the cams pushed by the crankshaft via an automatically tensioned toothed belt. Product of low-pressure cast, low-porosity aluminum, each cylinder head incorporates an integrated exhaust manifold to reduce parts rely, enhance circulate and optimize the situation of the shut-coupled catalyst on every cylinder bank.

The cylinder head employs 4-valve combustion chambers, the most effective approach to optimum performance with wonderful gas Schedule Service efficiency and really low emissions. Valves are clustered close to the center of the bore to reduce combustion chamber volume and to provide ample squish area. The 10.5:1 compression ratio helps maximize thermal efficiency, energy output and gasoline efficiency. One centrally located camshaft per cylinder bank is pushed by a fiberglass-reinforced toothed belt. Head gaskets are manufactured from high-energy supplies to contain combustion pressures.

i-VTEC with three-stage Variable Cylinder Management™ (VCM™)
To help improve the gasoline effectivity of the V-6 engine, it incorporates the newest technology of Honda's VCM, which expands the operational range of cylinder activation in comparison with the Accord Sedan and Coupe V-6 engine. The Accord Crosstour's VCM system can function on three, four or all six cylinders, and is standard on both two-wheel-drive and four-wheel-drive models.

During startup, acceleration or when climbing hills - any time high power output is required - the engine operates on all six cylinders. During moderate speed cruising and at low engine hundreds, the system operates just one Order Parts bank of three cylinders. For average acceleration, increased-velocity cruising and gentle hills, the engine operates on four cylinders.

With three operating modes, the VCM system can finely tailor the working displacement of the engine to match the driving necessities from moment to moment. For the reason that system mechanically closes each the consumption and exhaust valves of the cylinders that aren't used, pumping losses associated with intake and exhaust are eliminated and fuel effectivity increases. The VCM system combines most performance and maximum fuel efficiency - two characteristics that do not typically coexist in standard engines.

VCM deactivates specific cylinders by using the VTEC (Variable Valve-Timing and Carry Electronic Management) system to close the consumption and exhaust valves whereas concurrently the Powertrain Control Module cuts gas to those cylinders. When operating on three cylinders, the rear cylinder financial institution is shut down. When running on 4 cylinders, the left and center cylinders of the front financial institution function, and the suitable and heart cylinders of the rear financial institution operate.

The spark plugs continue to fireplace in inactive cylinders to reduce plug temperature loss and forestall fouling induced from incomplete combustion during cylinder re-activation. The system is electronically managed, and makes use of particular integrated spool valves that do double duty as rocker-shaft holders within the cylinder heads. Based on instructions from the system's digital control unit, the spool valves selectively direct oil stress to the rocker arms for specific cylinders. This oil pressure in flip drives synchronizing pistons that join and disconnect the rocker arms.

The VCM system monitors throttle position, car speed, engine velocity, computerized-transmission gear selection and different components to determine the correct Auto Finance cylinder activation scheme for the working conditions. As well as, the system determines whether engine oil strain is suitable for VCM switching and whether or not catalytic-converter temperature will remain within the proper range. To smooth the transition between activating or deactivating cylinders, the system adjusts ignition timing, drive-by-wire throttle place and turns the torque converter lock-up on and off. Consequently, the transition between three-, four-, and six-cylinder operation is unnoticeable to the driver.

Energetic Management Engine Mounts (ACM)
See the physique part for info on the Lively Management Engine Mounts.

High-Circulate Exhaust System with Twin Outlets
A low-restriction, high-output, exhaust system is essential to environment friendly power and torque production. A totally new exhaust system on the Accord accommodates its elevated energy output. Tubing diameter has been elevated and new twin silencers are used. Excessive-chromium chrome steel is used throughout the exhaust system for wonderful durability. The Accord Crosstour's exhaust system is personalized primarily based on whether the car is front-wheel-drive or four-wheel-drive. The front-wheel-drive exhaust system utilizes one giant and one small resonator previous to the splitter that goes to every muffler. For packaging considerations with the propeller shaft and fuel tank on 4-wheel drive models, two smaller resonators are positioned after the splitter that divides the exhaust route to every rear muffler. Both exhaust programs achieve the identical flow fee of 135 l/s.

Key contributors to the engine's low emissions efficiency are its excessive-effectivity catalytic converters. The engine has its exhaust manifolds solid directly into the aluminum alloy cylinder heads to scale back weight and position each main catalytic converter as shut as potential to the combustion chambers. High-efficiency shut-coupled converters mount on to the exhaust port of each cylinder head for terribly fast converter activation after engine startup. A third converter is positioned shortly downstream, beneath the passenger compartment floor. Both converters use a thin-wall design that increases inside reaction space and improves efficiency.

Powertrain Control Unit (PCU)
A 32-bit, 96MHz powertrain control unit (PCU) within the powertrain control module calculates injection timing and period after assessing an array of sensor signals: crankshaft and camshaft place, throttle position, coolant temperature, intake manifold stress and temperature, atmospheric stress and exhaust-fuel oxygen content. The PCU controls the Programmed Gasoline Injection (PGM-FI) and i-VTEC valvetrain and in addition communicates with processors that regulate the five-pace computerized transmission.

Drive-By-Wire (DBW) Throttle System
The Accord Crosstour's drive-by-wire throttle system makes use of smart electronics as a substitute of a standard cable system to attach the throttle pedal to the throttle butterfly in the consumption tract. Besides allowing engineers to program the relationship between throttle pedal motion and engine response, the system optimizes engine response to swimsuit driving conditions. The system screens throttle pedal place, throttle butterfly place, vehicle speed, engine speed and engine vacuum. This information is used to define the throttle control sensitivity.

Programmed Gas Injection (PGM-FI)
The Accord Crosstour's PGM-FI regularly adjusts the gas supply to yield the very best combination of energy, low gasoline consumption and low emissions. Multiple sensors always monitor Blog essential operating parameters, similar to throttle position, intake air temperature, coolant temperature, ambient air pressure, consumption airflow volume, consumption manifold stress, exhaust air-fuel ratio and the place of the crankshaft and cams.

Direct Ignition and Detonation/Knock Management
The Powertrain Management Unit (PCU) screens engine features to determine the best spark timing. An engine-block mounted acoustic detonation/knock sensor "listens" to the engine, and based mostly on this input, the PCU retards the ignition timing to prevent potentially damaging detonation. An ignition coil unit for every cylinder is positioned above every spark plug's entry bore.

Regular Unleaded Gas
To maintain operating costs at a minimum, all Accord fashions are designed to make use of relatively much less-expensive regular unleaded gasoline, thanks to compact four-valve combustion chambers and precise Contact Us fuel injection and spark control.

Maintenance Minder System and Tune-Up Intervals
The Accord Crosstour's Maintenance Minder system calculates the engine's tune-up schedule primarily based on driving conditions (tracked by the PCU). When figuring out correct maintenance intervals, the system minimizes owner guesswork about whether or not the car is being operated in standard or severe conditions. The Accord Crosstour's Maintenance Minder info seems in the odometer display, and signifies when to change the oil, oil filter (each other oil change), air cleaner, transmission fluid, spark plugs, coolant, Actual Time 4WD differential fluid in addition to when to rotate the tires. A tune-up just isn't required until about one hundred,000 miles. (100K+/- Miles No Scheduled Tune-ups could vary with driving conditions. Does not apply to fluid and filter changes. Precise mileage is set by precise driving conditions. The proprietor's manual comprises full details). Lengthy-life fluids have been used for diminished upkeep costs and environmental affect (fluid disposal). Consequently, engine coolant modifications are needed about each 10 years or approximately 100,000 miles, and engine oil modifications are required round 7,500 miles below regular driving circumstances, or yearly if fewer miles are pushed per year. The maintenance minder system calculates the precise miles between service intervals.

5-Pace Automated Transmission with Grade Logic Management
The Accord Crosstour's 5-velocity computerized transmission has several features engineered specifically to match its efficiency requirements, including extra-large gear ratios for good low-finish response and comfy highway cruising; a computer-controlled lock-up torque converter; a inflexible alloy case; and a 4-shaft design. Honda Grade Logic Control technology is designed to carry the automobile in a lower gear when climbing or descending a steep grade for improved performance.

The transmission options an expanded complement of sensible logic controls. A computer-controlled lock-up torque converter is provided to maximise fuel efficiency. Torque-converter lock-up and shift timing are both managed by a CPU working in cooperation with the engine's central processing unit. An over-running clutch is offered for first gear to smooth upshift quality. A direct-control strategy is used to provide actual-time pressure management of the transmission's clutches. Numerous control strategies unique to the Accord Crosstour are utilized to permit for easy coordination of engine and transmission operations. For example, the driveline shock that always accompanies gear changes is minimized by momentarily decreasing engine torque throughout shifting.

2010 Honda Accord Crosstour 5-velocity automated transmission

To scale back gear "looking" and pointless shifting, Grade Logic Control and Shift Hold Management systems are integrated into the shift programming of Accord automated transmissions. Grade Logic Management alters the 5-pace automatic's shift schedule, reducing shift frequency while touring uphill or downhill. Utilizing inputs monitoring throttle place, vehicle pace and acceleration/deceleration, Grade Logic compares the operating parameters with a digital map saved within the transmission computer. When the system determines the Accord is on a hill, the shift schedule is adjusted to routinely maintain the transmission in a decrease gear for higher climbing power or increased downhill engine braking.

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