Niamh Hart. Toyota. October 17th , 2017.
The new Toyota Camry utilizes TNGA (Toyota New Global Architecture), which represents a completely new strategy to the way the company designs, engineers, and packages its vehicles. TNGA retains all of Toyota‘s traditional values of superlative build quality and safety while injecting a fun driving experience that plays on all the senses. The physical manifestation is the usage of a new engine, transmission and GA-K platform. "With an exhilarating design, refined interior, stirring driving performance, cutting-edge safety and technology, and class-leading fuel efficiency, the all-new Camry retains its excellent value while raising its level of fun and excitement to new heights," said Bill Fay, Toyota senior vice president of automotive operations. "It is, quite simply, the best Camry ever and the benchmark in the mid-size sedan segment."
The unit‘s gear ratios have been carefully selected for enhanced power delivery as well as optimal fuel efficiency, with the mid-range gears utilizing close ratios to improve passing power. The new gearbox also includes a torque converter that offers a wider range of lock-up (when compared to the previous 6-speed automatic transmission) for a more direct driving feel while contributing to improved fuel efficiency through suppressed engine revving. Other impressive features engineered into this 8-speed automatic transmission include new control logic, for more precise matching of engine torque, and smoother transitions when downshifting.
Building on the Camry‘s undisputed reputation as an extremely smooth and quiet car in its class, Toyota engineers incorporated a variety of new noise, vibration and harshness (NVH) countermeasures that were previously found exclusively on luxury models. These include sound absorbing/insulation through the fitment of a hood insulator and upper and lower fender separator. The passenger compartment is further insulated from the engine and road noise using foam/vibration dampening materials throughout the vehicle along with a thicker dash silencer mat across the entire interior firewall section. Furthermore, a special vibration-damping coating has been applied over a wider area of the underfloor, joined by noise-proofing material encompassing more surface area of the interior‘s ceiling. Wind noise has been suppressed through a newly-designed rain gutter molding and a reduction in the step at the bottom of the windshield.
Just like the Prius, the PCU is lighter and more compact as a result of integrating microcontrollers and using a new power stack structure, allowing the unit to be packaged directly above the transaxle. This new design lowers the vehicle’s overall center of mass and allows for a lower hood height. Another key change to the PCU is a revised DC-DC converter (converts a source of direct current from one voltage level to another) that sees its control output optimized. including the conversion to AC power - - helping to reduce the vehicle‘s overall power consumption. What‘s more, the output filter for the DC-DC converter has been redesigned so that it is more dimensionally compact (improved packaging/weight savings) and produces less noise (reduced NVH).
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