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KEY STORY: 4-WHEEL DRIVE

KEY STORY: 4-WHEEL DRIVE. KEY STORY: 4-WHEEL DRIVE. Describe different drive systems Understand the operation of 2-wheel and 4-wheel-drive systems Identify customer benefits of 2-wheel and 4-wheel-drive systems. IMG_9018lores. TRUCK DRIVETRAINS. Rear-wheel drive. 4-wheel drive.

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KEY STORY: 4-WHEEL DRIVE

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  1. KEY STORY:4-WHEEL DRIVE

  2. KEY STORY: 4-WHEEL DRIVE • Describe different drive systems • Understand the operation of 2-wheel and 4-wheel-drive systems • Identify customer benefits of 2-wheel and 4-wheel-drive systems IMG_9018lores

  3. TRUCK DRIVETRAINS Rear-wheel drive 4-wheel drive 2WD_Truck—Part_Time_4WD

  4. REAR-WHEEL DRIVE (2WD) • Transmission drives rear wheels • Works best on dry pavement and normal driving 2WD_Truck

  5. PART-TIME 4-WHEEL DRIVE • Provides traction to all four wheels • Driver must engage 4-wheel drive (4-Hi or 4-Lo) • Once engaged, power is delivered to all four wheels Part_Time_4WD

  6. FULL-TIME 4-WHEEL DRIVE • Power split to all four wheels is continuous through thetransfer case • Power is split evenly between front and rear wheels • Driver operation is not required Full_Time_4WD

  7. TOYOTA 4-WHEEL-DRIVE SYSTEMS • Reference 4-wheel-drive truck and SUV systems as “4-wheel drive ” not “all-wheel drive ” • 4-wheel drive denotes off-road capability • All-wheel drive denotes on-road only operation

  8. Part-time 4-wheel-drive systems Tacoma and Tundra trucks FJ Cruiser (automatic transmission) Full-time 4-wheel-drive systems Land Cruiser FJ Cruiser (manual transmission) 4Runner Highlander RAV4 Sienna Matrix Venza TOYOTA 4-WHEEL-DRIVE SYSTEMS

  9. 4-WHEEL DRIVE FEATURES

  10. A-TRAC • Standard on Tundra, Tacoma, and truck-based 4x4 SUVs • Simulates front and rear limited-slip differentials’ operation • Brakes spinning wheel and transfers torque to the wheel or wheels with the best traction Wheel_Slip_Auto_rev

  11. 4WDEMAND (PART-TIME 4-WHEEL-DRIVE SYSTEM) MODE SELECTIONS • Knowledgeable customers • Practice, practice, practice before demonstration 4WDemand_Part_Time

  12. 4-WHEEL DRIVE SUMMARY • Part-Time 4-Wheel Drive • Well-proven, tough design • 50/50 power delivery to front and rear axles • Great for fuel economy • Available locking rear differential • Auto LSD • A-TRAC

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