Tech Tip: Knocking Sound from Cadillac Catera’s A/C Compressor
Some customers may comment on a knocking sound from the air conditioning compressor. This condition may be caused by an internal tolerance stack-up in the compressor.
Subaru Engine Repairs: Attention to Detail Critical in Head Gasket Replacement
To say the first Subaru brought to our shores in 1969 by Malcolm Bricklin was different would be an understatement. The Subaru 360 was a shrunken version of a VW bug, with a small two-cycle engine in the back. It fit into a market niche that probably didn’t exist at the time in the U.S.;
Under Pressure
According to the U.S Department of Transportation, cooling system failures are the number one cause of vehicle breakdowns on the highway. Many of these breakdowns are attributed to coolant leaks (hoses, radiators, bad radiator caps, etc.), water pump failures, thermostat failures and defective cooling fans. An industry survey conducted in 2003 by 1-800-Radiator reported that
Codes & Converters
It is a moral dilemma that many shops encounter on a regular basis. It starts when a good customer comes in with the engine light a blaze. Running your usual diagnostics, you encounter a catalytic converter efficiency code, slow to responded oxygen sensor or some proprietary fuel trim code. Other than the light, the customer
Shop Management: Doctor’s Orders
Doctor’s Orders By Glen Beanard, Technical Contributor John is sitting in a doctor’s exam room after having several tests run. The doctor enters the room and informs John that he has been diagnosed with a high blood pressure condition. The doctor explains the condition to John. He informs him that he must make an immediate
Servicing Maintenance-Friendly VW Engines
Volkswagens have always been maintenance friendly. From the very first models, ease of repair and durability have been built into the design. VW has managed to keep basic maintenance procedures relatively uncomplicated throughout the years. In this article, I’ll cover some of the more common underhood procedures on common VW models and include some tips
Coolant Service
It’s Getting Hotter Out There; Know How to Keep Your Customers Cool Coolant testers, pressure testers, flushers and exchangers. These are the tools and equipment shops need to keep their customers’ cooling systems cool. We’ve had an unusually hot summer this year. Record high temperatures across the country have left many vehicles steaming alongside the
Tech Tip: Diagnostic Information To Consider Before Replacing an A/C Compressor
A recently completed analysis of air conditioning compressors in General Motors vehicles that had been replaced for noise, vibration and insufficient cooling concerns has indicated a high number of "no trouble found" results.
BMW Maintenance: The Right Equipment and Information Make Service Profitable
Well-designed and durable, the cars from Bavaria have had a reputation for handling and performance that many other manufacturers only aspire to. In the last 50 years, BMWs have gone from the three-wheeled Isetta microcar of the 1950s to today’s powerful and comfortable high-performance machines with all of the latest technology. One of my favorite
Tech Tip: Profitable Radiator Service
Unlike their soldered-brass predecessors, today’s aluminum-core, plastic-tank radiators are not only environmentally friendly, they are lightweight, easy to service, less costly to produce and very efficient at keeping modern, high-output engines operating at optimum temperature.