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Fourwheel drive and allwheel drive 505 Driveline arrangements 506 Transmission with gear transfer 507 Transfer case with chain drive 510 Centre differentials 514 Transaxle centre differentials 514 Viscous couplings 514 Transfer unit with chain and viscous coupling 516 Suspension arrangements 519 Fourwheeldrive service 521 Allwheel drive 524 Types of allwheeldrive systems 524 Technical terms 530 Review questions 530
... chapter twenty-five four- wheel drive and all -wheel drive figure 25.21 Steering-knuckle, hub and wheel assembly for a four- wheel- drive front axle Four- wheel- drive service Four- wheel- drive vehicles... and also allows the four- wheel drive to be disconnected, so that the vehicle can be operated in either two -wheel drive or four- wheel drive All -wheel drive vehicles have standard gear ratios and. .. Page 508 508 part four automatic transmissions and drive Four- wheel- drive vehicles have drive lines to both front and rear axles so that all four wheels of the vehicle can be driven Some vehicles