bodgit and leggit garage axle mounts on a land rover freelander

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this video look at how to do back axle mounts on 2005 land rover freelander
A center axle disconnect system or CAD is an alternative to locking hubs. CAD systems are typically used in front drive axles on four wheel drive vehicles. A CAD system works by having an axle shaft (typically the longer shaft) split into two pieces. One piece is connected to the carrier, the other connected to the wheel. This reduces drag on the axle by allowing only the spider and side gears to spin, while the carrier, pinion and drive shaft are at rest. The axle is engaged by connecting the two split axle shafts. The ends of the axles are typically splined and use a collar to connect the two shafts together by sliding over both shafts.
Contents [hide]
1 Comparison with locking hubs
2 Advantages and disadvantages
3 Later CAD systems
4 External links
Comparison with locking hubs[edit]
Although a widely used system, this system is not as efficient as a system with locking hubs. A CAD system spins the axle shafts, spider and side gears in the carrier during normal driving. Locking hubs disengage the axle at the wheels, allowing all of the axle to be at rest during normal driving. Not as efficient as locking hubs, a CAD system still makes for much less drag than having the axle completely locked in.
Like locking hubs, the CAD system is designed to improve fuel efficiency of the vehicle. Other, often debated, benefits of CAD systems are reduced vibration, axle wear, and noise, as well as improved steering and drivability