![]() ![]() To discuss your vehicle’s maintenance schedule, contact a friendly Sun Devil Auto Service Consultant today. Regular maintenance on your vehicle ensures a longer life for your car and a better performance. Since vehicles cannot function without the differential, it’s important to have your car, truck, or SUV inspected and have the differential fluid changed as recommended by the manufacturer. Drivers should take extreme caution if they are experiencing trouble with the transfer case and avoid rough or slippery terrains. ![]() Avoiding maintenance on the transfer case may impair the vehicle’s ability to convert to four-wheel drive. Continuing to drive with unclean fluid is risky as it may result in undue wear on components leading to permanent damage. Spent differential fluid, after time, becomes dirty and contaminated. Neglecting any maintenance service on your vehicle is unwise in any situation. Your transfer case will need to be inspected as well if you’re unable to or have trouble switching from two-wheel drive to four-wheel drive or the vehicle shudders when turning. Frequent clunking sound every few feet or when starting to move.Rumbling or whirring at speeds over 20 miles per hour, but changes while turning.A howl or whine during acceleration over high or low speeds.Whirring or whining noises when decelerating.If your vehicle experiences any of the following, it’s time to seek out a professional: This is highly recommended for trucks that tow loads and utilize four-wheel drive frequently.įront and rear differential problem symptoms can vary and need to be inspected by a technician immediately. Transfer case fluid should be replaced every 30,000 miles to remove any debris or contaminants and to better lubricate components. Clean, fresh oil provides better protection of the differential and well-lubricated parts, as with any component on the vehicle, ensure the best performance. Transaxle oils, differential fluid, and gear oils should be changed between 30,000 – 60,000 miles by a certified technician. Maintaining the Differential & Transfer Case Four-wheel drive and all-wheel drive vehicles are ideal for off-roading and the needed traction with adverse weather conditions. If so, considering a vehicle with four-wheel or all-wheel drives may be right for you. When purchasing a vehicle, it’s important to ask yourself if you’ll be traveling with your vehicle on snowy, wet, sandy, or rocky roads. Vehicles equipped with a transfer case (4WD & AWD) fare better on slippery surfaces, giving them the ability to accelerate more efficiently. Four-wheel and all-wheel drive options offer better traction and maneuverability for steep roads, mountainous terrain, and slick roads from inclement weather. Performance vehicles also are available in 2-wheel or all-wheel drives. Pick-up trucks have two-wheel and four-wheel drive options, some crossovers have an option of all-wheel or two-wheel driver, while some SUVs have an option of all-wheel drive. All-wheel drive vehicles receive power through the transfer case at all times. When the transfer case engages the front shaft, which feeds power to the front wheels, the vehicle then becomes a four-wheel drive. On a four-wheel or all-wheel drive (AWD) vehicle, it directs power to two or four wheels. The transfer case is located between the transmission and front and rear differentials via the driveshafts, creating a two-wheel drive (2WD) or four-wheel drive vehicle. The power from both the engine and transmission is directed through the differential and out to the wheels. We’ll explain what the transfer case is and differentials and how to identify a bad transfer case and bad differential symptoms.Īs part of the front and/or rear axle assembly, the differential is designed to drive wheels while allowing them to rotate at different speeds when turning by providing proportional RPMs between the left and right wheels. While both operate similarly, there is a difference between transfer case and differential. A four-wheel drive (4WD) and an all-wheel drive (AWD) vehicle, however, needs a transfer case in addition to differentials on each axle. Each need to work efficiently in order transfer torque from the transmission to the wheels. Vehicles are equipped with at least one differential and some also have a transfer case. ![]()
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