Some owner-operators nowadays, enamored with the image first popularized by Southern California’s low-ridin’ community, deflate their trucks’ air suspension so the frame hangs several inches closer to ...

When an engine produces power and clutch and transmission convert it into required torque, some assembly is needed to carry this torque to driving axle or usually to rear axle. This assembly is known ...

Universal joints allow drive shafts to move up and down with the suspension while the shaft is moving so power can be transmitted when the drive shaft isn’t in a straight line between the transmission ...

The driveshaft of the modern racing stock car is one of the most critical links in transferring the power of the engine through the drivetrain to the track. If your driveshaft fails, you have failed.

To beat an old saying to death, it's the little things that count. Literally thousands of little components, wires, gizmos, and gadgets help power your 4x4, but it's a few of the smaller ones that ...

Every 4x4 needs them, but most guys don't put much thought into them. Until they snap and leave you in two-wheel-peel out in the middle of nowhere. Taking the time to understand a few driveshaft ...

Universal joints, or U-joints, are used to join shafts that must intersect at angles greater than those that can be accommodated by flexible couplings. Universal joints, or U-joints, are used to join ...

If you're planning to drive your hot rod or custom (and why wouldn't you?) you need to make sure the engine, transmission, third member, and driveshaft are all working together in harmony. The piece ...

This week I noticed a clunk noise in the back of my 2004 Toyota Highlander when I change between Drive and Reverse and when I ease up on the gas pedal after accelerating. After checking it out, my ...

If you have driven for a while, you have probably heard a mechanic or do-it-yourselfer use the term "universal joint." Often they'll include the name of this mechanical part in a car in a statement ...