Blogs

Many 4WD owners notice the front axle only after noise, leaks, steering bind, failed engagement, vibration, poor fuel economy, or a large repair quote. A front differential is the gear assembly that sends torque to the two front wheels. It also lets those wheels rotate at different speeds during tur Read More

Traction loss during towing or mild off-road driving usually starts in the axle, not at the engine. A factory open Differential allows the left and right wheels to turn at different speeds, which is ideal in normal corners. Under load, however, it also sends torque to the wheel with the least resist Read More

The “Positraction” scene in My Cousin Vinny made a real drivetrain issue famous. A standard Differential is necessary because the left and right wheels must rotate at different speeds in a turn. Its weakness appears when one driven tire loses grip. The slipping wheel sets the torque limit, so the ti Read More

Choosing the right axle gearing is a fitment and drivability decision, not a parts-catalog guess. The correct Differential must match tire diameter, transmission ratios, engine powerband, axle housing, and the vehicle’s real workload. A poor match can cause slow acceleration, gear hunting, excess cr Read More

A car differential works by transmitting engine or motor torque to two drive wheels while allowing those wheels to rotate at different speeds. That speed difference is essential in a turn because the outside wheel travels a longer path than the inside wheel. Without a differential, the axle would bi Read More