Vehicle Identification Numbers: Cracking ‘The Da-VIN-ci Code’ -Thomas Dayton, Counterman Magazine The modern 17-digit Vehicle Identification Number (VIN) became mandatory for new vehicles sold in the United States beginning with the 1981 model year. The VIN is broken down into six components, and each part holds a key to decoding the identity of an [...]
Diagnosing wheel noise isn't always so straightforward! Mark Philips, Editor, Counterman Magazine Noise coming from the wheels of any vehicle means the bearings are bad, right? Well, diagnosing wheel noise isn’t so straightforward! The most common symptom of a bad bearing is cyclic chirping, squealing or growling noise that changes in proportion to [...]
"Gummy Oil" Have you ever opened a compressor and found that the oil has become "semi solid"..a bit like grease! The compressor probably failed because they require oil to lubricate them!! Gummy oil all is always associated with pollutants of some kind. These may range from over the counter additives to improve and or [...]
How to Inspect Ball Joint Wear Due to Friction One of the main reasons ball joints can fail is from excessive wear from friction. Techs often have a problem locating valid specs for ball joint testing. This allows for consideration of the real-world effects that cumulative bushing and ball joint wear have [...]
POWERSTOP: Break In Procedure IMPORTANT: BREAK IN NEW BRAKE PADS/ROTORS USING THE PAD BEDDING PROCEDURE AS FOLLOWS. PROPER PAD BEDDING CAN PREVENT ROTOR WARPING. The break in procedure is critical to brake performance. The reason for a proper break in is to establish an even layer of friction material deposited on the rotors from [...]
Why did your coil-on-plug module go bad? The Delphi Training Series breaks it down for you.
In Honda CR-V A/C systems, debris becomes lodged in the A/C system after the original compressor has failed and a replacement compressor has been fitted. This issue occurs because the debris from the original compressor accumulates in the condenser. If left in the system, the debris in the condenser will cause catastrophic failure of [...]
NEVER use compressed "shop" air to leak or pressure test an A/C system. Under certain conditions, pressurized mixtures of R134a and air are combustible. In addition shop air will inject excess moisture into the system.