Automatic four wheel drive systems in crossovers share many traits
Modern four wheel drive setups in crossovers follow a similar blueprint. They usually include an electromagnetic clutch, a transfer gearbox and a driveshaft system. The exact array of modes, locks and other options may differ, but these core components are common across most designs.
Even with low mileage, problems can arise if the owner adopts a careless approach. If the owner neglects oil changes or allows long periods without proper use, friction wear can develop in the clutch, the splines on the shafts may wear, and the universal joints on the driveshaft can accumulate play. These wear patterns often show up long before major failure when the system is tested under load.
When evaluating a used four wheel drive, it is possible to assess the engine by listening to noise and examining the exhaust, while the transmission can be judged by the smoothness of gear shifts. The most challenging part is gauging the health of the four wheel drive itself. A seller may resist driving the car in conditions that reveal traction behavior, and such conditions are not always available for testing. On dry pavement, forcing into four wheel drive during a test can cause unnecessary slipping and may not reveal underlying issues. A loud, unexplained noise is a red flag that warrants closer inspection.
There is no simple, foolproof test for every fault. A thorough check typically requires a service visit with proper lifting equipment. A diagnostic scan can reveal fault codes, leaks should be checked, and the response of the front and rear axles should be observed while the vehicle is driven and steered through turns. This kind of inspection does not perfectly reveal the exact rate of wear in the transmission, but it helps confirm whether the four wheel drive is functioning correctly at that moment. In some cases, sellers may present a two wheel drive as four wheel drive, so verification is essential.
Six large four wheel drive crossover models feature the most diverse combinations of engines and transmissions, which matters greatly for used car buyers seeking durable performance.
- Driving information can be shared via messaging apps like Viber for quick feedback.