A good digital multimeter (DMM) is key to diagnosing compressor problems in general. For instance, in a previous article (May 15 issue of The NEWS) we discussed using the DMM to read suction and ...

The core of a refrigeration system is the compressor, which is designed to pump cool refrigerant gas from the evaporator into the condenser. To accomplish this task the compressor raises the ...

Because the causes of machine vibration are so numerous, the underlying problem is often difficult to isolate. Most troubleshooting processes rely on advanced diagnostic techniques and result in the ...

High vibration is a common problem for motors installed on top of vertical pumps. Its source can stem from a mechanical issue with the pump, motor, or coupling — or even hydraulic forces from the pump ...

Tick. Tick. Tick. That's the sound our Ford 4.0-liter, over-head valve (OHV) engine was making in our 1991 Ford Explorer after 250,000 miles. The Ford 4.0L V-6 engines, built in Germany, are found in ...

GM Ecotec engines face timing chain failures, oil consumption issues, and exhaust manifold problems that cost thousands in ...

Building the engine the way you think it's supposed to be built instead of for how it will be used is the most common problem. The main errors are made when choosing camshafts (too big) and ...

Today’s cars and trucks are literally rolling test beds of technology, which has tended to make the days of the so-called shade tree mechanic and eyeball diagnoses of what ails a given model a distant ...

With a little know-how, you can soon learn how to diagnose and fix common problems with your lawn mower's engine. Ah, spring, time to get outside and do. Cut that grass! Turn that soil! So you roll ...