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Tech Tip 0093

Those Elusive Signals: Electrical Interference Can Be Difficult to Diagnose

Tech Tip #093

Yesterday’s radio interference is today’s nightmare for electronic and computer controlled systems. The systems can be frustrating to diagnose, even with the proper test equipment and diagnostic test charts. Throw a stray signal in the system, and you may run a good technician right out of the business. A few years ago, few technicians had ever heard...


Tech Tip 0083

Quick Brake Test (Part 2): Some Simple Tests to Pinpoint Elusive Brake Problems

Tech Tip #083

If the customer complains of a low or dropping pedal or hard pedal effort, several possibilities must be considered. Let’s assume that you have ruled out aerated fluid, leaking seals, defective master cylinder or the normal hydraulic problems as the cause. Additional possibilities which could result in the condition include...


Tech Tip 0082

Quick Brake Test (Part 1): Some Simple Tests to Pinpoint Elusive Brake Problems

Tech Tip #082

If the friction smells funny or if the customer complains of premature pad wear, residual pressure is a likely cause. In addition to premature friction wear, residual pressure can result in a wheel lockup, especially when stopping at a traffic light or stop sign...


Tech Tip 0080

Dealing with Brake Pedal Pulsation

Tech Tip #080

When the customer complaint is a pulsating brake pedal, several factors must be considered. Turning the rotors may not be the complete cure. While it may take care of the immediate problem, the vehicle may return in a few days with the same condition. And almost always the brake pads get blamed. A complete tear-down, cleaning and lubrication, plus restoring the system to the original specifications is a must.


Tech Tip 0079

For A Better Brake: A Few Extra Steps Can Promote Longer Friction Life

Tech Tip #079

When the customer complaint is a pulsating brake pedal, several factors must be considered. Turning the rotors may not be the complete cure. While it may take care of the immediate problem, the vehicle may return in a few days with the same condition. And almost always the brake pads get blamed. A complete tear-down, cleaning and lubrication, plus restoring the system to the original specifications is a must.


Tech Tip 0078

Engine Performance: Sensitive Sensors Can Send the Wrong Signals

Tech Tip #078

Optimum engine performance, fuel economy and low emission output is dependent upon computers. Computers are dependent upon accurate information provided by the sensors. A defective sensor, lazy sensor, or a sensor out of range can destroy the computer’s ability to maintain proper control. This article will focus on some of the major sensors and how they may affect the overall performance of the system...


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