Wheel Bearing Failure Diagnostics
On a typical passenger vehicle weighing around 3,400 pounds, each pair of front-wheel bearings, as well as the rear-wheel or axle bearings, support saround 850 pounds, depending on the weight balance and driveline configuration. If it’s a 6,000-pound SUV, each bearing might carry about 1,500 pounds. This load is concentrated on the relatively small bearing
Selling Services: Selling the Scope to Your Customer
While replacing a blown head gasket and re-torquing the head bolts, you reach into your tool box and grab your 1/2-inch impact and rattle the bolts down. Just kidding! You would reach for your torque wrench and accurately follow the manufacturer recommendations for torque patterns and values. To guarantee a quality repair, an accurate torque
BALL JOINTS & BUSHINGS: Worn Components Take Their Toll on Advanced Suspension Technologies
Too often, shop owners and technicians alike assume that suspension systems haven’t changed much in the past 20 years. In reality, nothing could be farther from the truth because today’s import vehicle may incorporate a number of technologies that can be affected by worn steering and suspension components. To illustrate, we’re beginning to see electronic
Under Pressure and Pounding: What Happens to Wheel Bearings and Suspensions When Wheels Get Big?…Stop Using Percentages if You Cannot Show Your Work!
Custom wheels and tires have been an automotive fashion statement since the 1970’s and today custom wheels have become automotive jewelry with 26-inch spinners on a Hummer as one of the ultimate statements. But, the hidden costs come at the price of wheel bearing life and other wheel end components. As an undercar shop, you
Replacing FWD Wheel Bearings
When a wheel bearing goes out on a FWD car or minivan, it may or may not give much warning. Typical clues include noise from the vicinity of the wheel, possibly some steering wander or looseness in the steering, and/or some abnormal tread wear on the front tires. Also, an ABS light could illuminate. Any
Servicing Cartridge FWD Wheel Bearings
Early front-wheel-drive wheel bearing service was difficult and time intensive. The most common arrangement was a pair of tapered roller bearings similar to that of a rear-wheel-drive vehicle, but with a spacer between the bearings. Servicing this arrangement took time and often special tools. Of course, an axle shaft went through the bearings and spacer.
Understanding Seals
It has been a long drive to the lake. The driver carefully backs the trailer down the boat ramp. As the axles hit the water, the hot wheel bearing hubs hit the water. As the bearings’ heat is quenched by the lake water on the outside of the hub, the rapidly contracting air and lubricants