Lexus Transfer Case
Transfer Case
Transfers the power from the transmission/transaxle to the front and rear axles of a 4WD and many AWD vehicles.
Service Interval: 15k-100k, some vehicles, never (inspect only)
Service Interval varies greatly depending on the type of driving you do. Under extreme conditions, some vehicles actually call for every 15k miles, while under normal driving conditions, some never suggest fluid replacement. To inspect, check fluid levels based on your vehicles configuration. Breakdown of the fluid may not be apparent, but if the fluid is notably dirty, it should be replaced.
Why do we replace/service:
As with any other fluid in a vehicle, the heat and friction created causes the fluid to break down over time.
What happens if we don’t service:
As fluid wears, added wear inside the transfer case is happening as well. A little more complex that differentials, there are moving pieces, sensors and sometimes chains that require proper lubrication.
General Recommendations:
Although some manufacturers do not suggest replacement ever, a transfer case fluid replacement may be cheap insurance to protect a somewhat pricey part. Follow your manufacturers recommendations for fluid weight and pay attention – some may require synthetic gear oil.
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