2010 Mazda CX-7: REFINED CHASSIS PROVIDES ENHANCED HANDLING AND RIDE QUALITY

1.8.2009 - A light, stiff unibody provides the sound foundation for CX-7's smooth ride and agile handling. Computer-Aided-Engineering analysis was used to optimize this structure, delivering high torsional and bending rigidity with minimal weight.

A theme of refinement carries over to the 2010 CX-7's platform architecture by incorporating improvements in body rigidity, lower noise, vibration & harshness (NVH) levels as well as reduced wind noise. Thicker materials, reinforcements and weld bonds (spot welds supplemented by adhesives, first applied in the CX-9) in key areas all contribute to a five percent higher torsional rigidity than the original CX-7 with only a minimal increase in weight. Thicker density insulation in both the engine compartment and interior cabin provide a quieter passenger environment. A-pillars fitted with large moldings reflect an effort to suppress cabin noise generated by side winds blowing across the exterior of the A-pillars.

In front, a perimeter frame mounted to the unibody through six rubber isolators supports the powertrain, the engine-speed-sensitive rack-and-pinion power steering and a low-friction MacPherson strut suspension system. The rear multi-link suspension is similarly mounted in its own subframe and consists of one trailing arm and two lateral locating members per side.

The front and rear dampers have been retuned for 2010 with larger oil-flow openings and are located between the wheel hub and the unibody to provide excellent motion control with minimal friction. Coil springs and anti-roll bars are an integral part of both suspension systems

All of these refinements assist in greater ride comfort, handling and stability, combined with lower NVH throughout the vehicle. CX-7's four-wheel ventilated disc brake system integrates the Anti-lock Brake System (ABS), Traction Control System (TCS), and Dynamic Stability Control (DSC) functions. It also collaborates with the Active Torque Split All-Wheel Drive to prevent wheel spin on slippery surfaces.

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