📂 Archive

A whining rear differential on a Sierra 2500 needs inspection and service. Here’s how.

A whining front differential on a 4×4 Ram 3500 needs service. Inspect and refill it here.

A worn u-joint on the driveshaft causes a clunk when shifting. Replace it before it fails on the highway.

A failing transfer case shift motor leaves your Sierra stuck in a 4×4 mode. Replace it to restore shifting.

A whining rear differential on a Super Duty means worn gears. Inspect and service it here.