Monday, September 29, 2008

6-Speed Manual for 2010 Acura TL

The availability of a 6-speed manual transmission for the 2010 TL SH-AWD® represents the first time Acura has ever paired its acclaimed Super Handling All-Wheel Drive™ system with a manual gearbox. In addition, the new close-ratio 6-speed manual transmission is approximately 110 lbs lighter than the Sequential SportShift automatic transmission to further benefit acceleration, braking and cornering.

The 6-speed manual transmission is an all-new design that is substantially stronger than the previous generation TL manual transmission. In addition to using a more rigid aluminum case and heavier-duty internals, the new manual transmission employs precisely selected gear ratios based on the characteristics of the TL's new 3.7L V-6 engine and SH-AWD® drivetrain. New gear synchronizers deliver improved shift accuracy and feel, and a short-throw shifter assembly generates confident shifting combined with low shift effort.

Acura engineers also designed an entirely new clutch system for the new 6-speed manual transmission to withstand the TL's robust power output while also improving modulation for noticeably easier use. The new self-adjusting, dual-mass clutch delivers extremely constant pedal effort throughout the entire stroke of the pedal. By keeping the effort linear, the driver has improved feel that results in better clutch interaction.

The TL SH-AWD® 6MT has a specially calibrated Hill Start Assist system that helps prevent the vehicle from rolling backwards when the driver switches from the brake to the accelerator while stopped on a hill. When the road incline exceeds an 8-degree threshold and the vehicle is fully stopped, Hill Start Assist automatically activates. When Hill Start Assist is active, the brakes automatically hold for one second as the driver's foot transitions from the brake to the accelerator pedal. The brakes are automatically released when the vehicle begins to move forward.

The addition of a manual transmission, an all-new clutch system and suspension changes yield an 88 lb. reduction in overall vehicle weight. The weight reduction not only delivers improved performance, but also generates a more favorable front/rear weight bias. Compared to an automatic transmission equipped TL SH-AWD®, the 6-speed manual version improves weight distribution by 1-percent thus generating a 58/42 ratio versus the 5AT's 59/41 ratio.


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