![]() ![]() The basic idea is that when a tire slips, the maximum wheel speed of a slipping tire is limited. There are many different types and implementations of limited slip differentials. These are typically found on sports cars and higher end luxury cars. Limited Slip DifferentialĪ limited slip differential is a middle ground between an open differential and a locking differential. This could put excess stress on the powertrain and damage expensive components. You should take care not to lock the differential in a high-grip situation, such as on dry asphalt. This differential is great for tough terrain when one tire could be in the mud, snow, or even the air. Locking differentials are typically found on purpose-built off-road vehicles such as trucks and Jeeps that come with off-road packages.Ī locking differential spins the left and right wheels at the exact same speed, regardless of wheel slip. This means if one tire loses traction, the other tire will be limited in the amount of force it can apply to the ground to propel the vehicle forward. Types of DifferentialsĪn open differential is the simplest and most common differential. Four Wheel Driveįour-wheel drive systems found on trucks and SUVs typically have a transfer case instead of a center differential. The center differential splits the torque between the front and rear differential inputs, which each then split the remaining torque from left to right. All Wheel DriveĪll wheel drive vehicles have three differentials: a front, rear, and center differential. A rear differential is colloquially called a “rear end” or rear diff by some people. Most rear wheel drive vehicles will have a standalone differential between the rear wheels that is linked to the transmission via a driveshaft. On front wheel drive vehicles, the term “transaxle” may be used interchangeably with “transmission” or “differential” depending on who you talk to. Front Wheel Driveįront wheel drive vehicles often have a transaxle, which is a single integrated unit that serves the purpose of the transmission, the differential, and the axle. “Driven” wheels are the wheels which receive torque from the engine.įront and rear wheel drive vehicles are two-wheel drive vehicles. Vehicles have a different number and placement of differentials depending on the number of driven wheels it has. How Many Differentials Does My Vehicle Have? The greater the track width and the tighter the turn you take, the more difference in speed there is between the inside and outside wheels. The difference in speed between the two tires is due in part to the vehicle’s track width (that is, the distance between the left and right wheels). This would cause one or both tires to slip, causing loss of traction, excessive tire wear, and additional stress on other powertrain components. If vehicles were not equipped with front and rear differentials, the left and right tires would be forced to spin at the same speed despite these different paths. The tires on the inside of the turn will make a circle with a smaller radius, which means it requires less revolutions of the tire to complete the turn. When you take a turn in your vehicle, the left and right wheels will take a slightly different path. Bad Front or Rear Differential Symptoms.How Many Differentials Does My Vehicle Have?. ![]()
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