Subaru Tribeca 3.6 H6

25 Mar 2015 | Author: | Comments Off on Subaru Tribeca 3.6 H6

Subaru Tribeca

3.6 H6

control system (TCS). Subaru Press Release:


The new 2008 Tribeca was developed with an enormous amount of input from consumers in the luxury SUV segment who were very clear about the features they want at this level of pricing and prestige. With powerful new styling, a new, larger displacement 3.6-litre H6 engine, and improved performance

and fuel efficiency, the new 2008 Subaru Tribeca delivers a unique balance of style, safety and functionality in a progressive SUV form.

The second row seat features a tilt-and-slide control on both the driver and passenger side and an assist spring that reduces the effort needed to slide the second row seat. Also, molded assist grab handles on the lower C-pillar to ease step in to the third row.

The sophisticated twin cockpit design features a flowing, sculpted dash and center console design. Aluminum-look trim highlights the sculpted shapes of the dashboard. Electroluminescent dials and subtle ambient interior lighting provide a sophisticated touch, illuminating the front and rear footwells, the centre console and cup-holders. The centre console is dominated by an information centre that groups the readouts for the audio system, clock, fuel economy and outside

temperature. A seven-inch touch screen information centre is standard. The easy-to-use audio and climate control system controls are located just below the screen.

Comfort for Five or Seven Passengers

The Tribeca is available as a 7 passenger model with standard 50/50 split fold-down third-row seat with integrated headrests and carpeted back surface. For added passenger comfort it features an auxiliary rear cabin air conditioner with fan speed control in the second row. the rollover test.)

Occupant Safety a Top Priority

The new 2008 Tribeca was designed to achieve the highest ratings in the auto industry. The previous generation B9 Tribeca achieved top honours in the U.S. Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) New Car Assessment Program (NCAP) crash tests with 5 stars in both the frontal and side-impact crash tests for both the driver and passenger seating positions. These results are in addition to the 4 star rating in the NHTSA tests for rollover resistance. (No SUV to date has earned 5-stars in the rollover test.)

The Subaru Tribeca features a Ring-Shaped Reinforcement Frame Structure, occupant-sensing, dual-stage driver and passenger airbags, seat-mounted side impact air bags, and standard curtain side air bags (front and second rows). A Roll Sensor system that detects a potential vehicle rollover and deploys the standard side curtain airbags is also standard. In addition, the Tribeca features Brake Assist on its standard ABS brake system, Vehicle Dynamics Control and four-wheel traction control. Brake Assist analyzes the force and stroke on the brake pedal and increases hydraulic boost to provide enhanced emergency braking, also activating the ABS system early if needed


For the 2008 model year, Subaru has equipped the new Tribeca with an all-new 6-cylinder 3.6-litre SUBARU BOXER engine that delivers more power, more torque, improved fuel economy and emissions performance – all on regular petrol.

The larger engine displacement increases engine torque to 247 lb.-ft. at 4,400 rpm, and horsepower to 256 at 6,000 rpm, providing improved low-end torque without sacrificing high-rpm power. The new engine package, which adds displacement without adding overall size, not only maintains excellent emissions levels but delivers improved fuel efficiency in real world driving situations.

The new Tribeca is very powerful, and Subaru has also improved the driving feel by carefully tuning every element of the powertrain that connects with the driver, from the transmission to the power steering. The result is an increased sense of controlled performance that drivers demand in a premium SUV.

In addition to generating more overall power, the engine also increases available torque in the low- to mid-range engine speed, which improves fuel efficiency as well as performance.

To achieve these goals without affecting engine packaging, a unique shortened con rod was created to allow for a new and larger displacement engine without increasing the physical dimensions of the power unit; keeping the deck height of the engine the same, the Tribeca is also able to maintain its excellent low centre of gravity.

Improved cooling efficiency – needed to achieve the use of regular fuel – was achieved through a new common rail cooling system that individually cools each cylinder with water separation chambers rather than allowing water to flow from cylinder to cylinder. This allows for increased engine efficiency and standardized timing for all cylinders.

The new 3.6-litre engine features Active Valve Control System (AVCS) variable valve timing on both the intake and exhaust valves (the 3.0-litre engine had AVCS on the intake side only).

Redesigned exhaust, cooling and power steering systems are carefully matched to the new engine’s output and torque curve, to further enhance Subaru’s signature balanced handling, and improvements to the drivetrain layout, sprocket dies and cam chain pitch mean the new engine is also quieter.

The new 3.6-litre engine is connected to a 5-speed automatic transmission with SPORTSHIFT that features an all-new torque lock-up converter and a new transmission control unit. The result is faster gearshifts with less lag time and smoother, more linear acceleration.

New shift logic also improves performance in hilly terrain. The new shift control system uses the car speed and accelerator opening to determine available driving power while simultaneously calculating the optimum gear position for the road gradient. This not only results in fewer unnecessary gear shifts when climbing or descending grades, but also results in a further improvement to fuel economy.

The transmission drives through the Subaru Variable Torque Distribution (VTD) Symmetrical All-Wheel Drive system. Enhancing the AWD system are standard Vehicle Dynamics Control (VDC) and four-wheel traction control system (TCS).

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