Undercover: Diagnosing a Noisy Wheel Bearing
The classic symptom of a bad wheel bearing is typically a cyclic chirping, squealing or growling noise that changes in proportion to vehicle speed
Real World: Boosting Your Career with Turbocharger Service
One of the most common causes of poor turbo performance is bad shaft bearings, which often results in rubbing or binding between the compressor and turbine wheels and their housings.
Undercover: Bearing the Load
When engineers came up with the idea of putting the wheel speed sensor (WSS) and tone ring inside a sealed wheel bearing hub assembly, it seemed like a great idea. The sealed environment would help protect the sensor and make it less vulnerable to damage or contamination from the outside world.
Service Advisor: Technician Town Hall Spurs Responses on Rotor Runout
Just like the town hall meetings across the country where Americans have questions for their government representatives, tomorrow’s technicians have questions of their own on ways to better service their future customers.
Undercover: Putting the STOP to Pedal Pulsation
If a customer complains of pedal pulsation or steering wheel shimmy when the brakes are applied, the most common assumption is that heat, wear, corrosion or mechanical stress is causing a variation in braking torque to occur that’s directly proportionate to wheel speed.
Service Advisor: On-Car Rotor Resurfacing: Are You Doing it Right?
One of my favorite pieces of shop equipment is the on-the-car brake lathe. Not only do they resurface the rotors to the center line of the wheel bearings, they speed the job up in some cases – making it a win/win situation.
Undercover: Brakes 101
Topics To Cover –
Inspection checklist, Servicing, Rotors and Drums, Linings and Brake Fluid
Passing Inspection
Adapted from Gene Markel’s article in Brake & Front End
Picking up Bad Vibes: Diagnosing a Shake, Rattle & Roll
Adapted from Larry Carley’s Article in Brake & Front End
Tire Talk – Handling the Load Wheel Bearing Diagnosis
Although wheel bearings are often the most neglected part of the vehicle, they nevertheless have a critical job to do, and in most cases, do it very well. Not only are wheel bearings designed to support the weight of the vehicle and allow it to travel over a road with a minimum of rolling friction,