JohnDow Adds Pro 30-Gallon UL Listed Steel Diesel Caddies

Barberton, Ohio  –  JohnDow Industries continues to expand its Fuel Handling line currently the largest in North America.  The latest additions are the two Pro 30 Gallon UL Listed Steel Diesel Caddies.  These diesel-only caddies are available with a manual (FC-P30-UL-D) or air operated (FC-P30A-UL-D) pump.  Designed with the professional technician in mind, these cart-style…

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Two Types of TPMS Systems

By John Cook Indirect An indirect TPMS typically relies on wheel speed sensors that the anti-lock brake system uses. These sensors measure the rate of revolution each wheel is making and can be used by on-board computer systems to compare with each other and to other vehicle operation data such as speed. Based on the…

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TPMS Indicator Light behavior

By Greg Iorfida Blinking Light – A blinking indicator light means the TPMS has malfunctioned. One or more sensors may have failed or lost communication with the ECU. Replace or relearn the TPMS sensor or sensors. Solid Light – A solid indicator light means that one or more tires is operating at an unsafe pressure.…

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Top 6 Service Parts Categories Needed In an Auto Repair Shop

By Greg Iorfida Profit and productivity always take a hit when inexpensive service parts are not readily available. Trying to locate, source or wait for delivery of a low cost item results in idle service bays, wasted technician time and lost profit.  That’s why it important to have these parts on hand and easy to…

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Why my Mustang has Swollen Lug Nuts

There is a common problem throughout the automotive industries that has been around since the invention of the two-piece capped lug nut.  The problem is created when moisture infiltrates the space  between the chrome decorative cap and the actual steel lug nut that secures the wheel to the vehicle.  This scenario is compounded with the…

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Why is the TPMS Flashing?

By Greg Iorfida A flashing TPMS indicator light on a vehicle’s dashboard is a sign that the TPMS is experiencing a system malfunction. There are several points in the TPMS to examine, to decipher the problem. The first thing to consider is whether or not the tires on the vehicle were recently serviced. If so,…

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What Are Common TPMS Issues?

By Greg Iorfida When a vehicle’s tire pressure monitoring system (TPMS) status warning indicator turns on and stays illuminated, a thorough check of the system is warranted. The most common TPMS issue is a lost signal from a tire pressure sensor. Lost TPMS signals are frequently caused by damaged or corroded tire pressure sensors. Lost…

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TPMS Relearn

By Greg Iorfida A TPMS Relearn program configures the tire pressure monitoring functionality on an automobile that has been equipped with a TPMS (tire pressure monitoring system). The TPMS Relearn program should be initialized whenever a TPMS component has been installed or serviced on a vehicle. This includes replacing a vehicle’s tires, rotating a vehicle’s…

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How TPMS Affects Tire Life

By Greg Iorfida The NHTSA (National Highway Transportation Safety Administration) has estimated that tires wear down between 10%-50% faster than normal, when they are underinflated. Because of the physical laws of motion, a higher amount of friction occurs when an underinflated tire rolls on a surface, leading to a significant reduction in the life of…

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