The transfer case splits engine power between the front and rear wheels on all-wheel and four-wheel drive vehicles, and its oil keeps those gears cool and protected. Over time the oil wears out and collects debris, which can cause noise and rough engagement. This service replaces the old oil with fresh fluid to keep your four-wheel drive working smoothly and reliably.
Find a TechnicianMost manufacturers recommend every 30,000 to 60,000 miles, though heavy off-road or towing use shortens that. Your owner's manual gives the exact interval for your vehicle.
Only all-wheel and four-wheel drive vehicles have a transfer case; front- and rear-wheel drive cars don't. We'll confirm your drivetrain before recommending any service.
Fresh oil keeps the internal gears cool and protected, preventing expensive damage to your four-wheel drive system. Skipping it can lead to noise, hard engagement, and costly repairs.
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