Tech Tricks Tuesday

Problem: Coming up with an accurate diagnosis for unitized style wheel bearing. Cause: The sealed design of the wheel bearing sometimes makes identifying which bearing is the source of the complaint difficult. Solution: There are several techniques available that can...

The purpose of this article is to help mechanics like you avoid improper rear drum brake adjustments. As you read, take note of the different common mistakes and how to stay away from them. Likewise, you may notice that there are several ways to ensure a quality job....

Brake Hose Problems Internal brake hose damage during inspection or service Brake Hose Problem 1: Use of non-approved hose clamping devices such as vise grips (See Figure 58.1) Vise grips or similar tools can permanently damage the internal structure of even a new ...

Problem Brake pull occurs when a vehicle pulls to one side or the other during braking. Cause Depending on several variables, there are a variety of potential causes for brake pull. For example, most of the common causes have been listed below:Friction problemRotor...

Problem Both front wheels are experiencing wheel drag. Cause of Two Wheel Drag Residual pressure causing brakes to apply after brakes reach operating temperature. As a result, the most common cause for this condition comes from plugged or covered vent ports in the...

Problem One wheel drag on disc brakes. Cause of One Wheel Drag There are several different possible causes for one wheel drag. The cause of a one-wheel drag on a disc brake can be either mechanical or hydraulic. The list of possible causes will include:Caliper...

Wheel Drag: The Problem Accurately determining wheel drag during diagnosis The Cause of Misdiagnosed Wheel Drag: Many mechanics judge the amount of drag by rotating the tire/wheel assembly by hand, which is not always an accurate method of determining drag. How to...

Problem: This article will go over what to do when the red brake warning light comes on after service on vehicles equipped with pressure differential switch. Red Brake Warning Light - Cause: The pressure differential switch piston...

Problem: If you're experiencing premature pad wear, nose-diving, or lack of stopping power on vehicles equipped with a metering valve, this is the right article for you. Metering Valve Cause: As you consider the cause of any of...

Problem Determining when and why to add the proportioning valves to the possible causes of the problem being diagnosed. Cause Not understanding the proportioning valve can result in the valve being added to the list of possible...