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Does your air filter inspection involve more than the presence of bugs or debris collected on the media? It should include a thorough inspection of the integrity of the airbox/housing, related ducts, and latching components necessary to provide a secure seal. Lack of Maintenance Can Be Costly Improper filter maintenance on a normally aspirated gas […]
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Often, we are confronted with an electrical or performance issue that may not have reference to a diagnostic chart to assist in the diagnosis. When these conditions occur, a lot of diagnostic time can be invested without producing a solution. Many of these problem-solving solutions are resolved through information sharing from fellow technicians and that […]
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The C6 Corvette was just removed from winter storage and was about to receive a complete service. The engine roared to life and the instrument panel reflected a systems check. Bulbs were illuminated and would time out, indicating that systems or components were functioning as normal. Moments later, a warning lamp resembling an occupant holding […]
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When performing engine maintenance, the coolant is seldom considered. While the freeze factor is usually the first consideration at the start of winter, few consider the corrosive inhibitors and lubricants that become depleted, promoting water pump failure. In addition, the accumulation of engine and radiator deposits can affect engine cooling. Coolant exchangers are highly recommended […]
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Oil leaks are not a normal characteristic and if you are servicing a vehicle and leakage is present, it should be brought to the attention of the vehicle owner and documented on the repair order for future reference. Keep a copy just in case of engine damage that may occur later, especially if the repairs […]
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Selecting the right maintenance schedule is imperative for the health of the engine in preventing major engine repairs or in extreme cases preventing a total engine replacement. Neglecting the required service interval can result in an accumulation of sludge and deposits that can restrict the flow of lubricant to vital engine components. Consider the following: […]
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The vehicle received a full service including an oil and filter change. The system was leak checked and the engine had good oil pressure. Two days later, the customer calls reporting a loss of oil pressure symptom. Mechanic A says…a defective oil filter is the cause of the loss of oil pressure. Mechanic B says…a stuck […]
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Nothing is more frustrating for the vehicle owner than a puddle of oil on their carport floor or the stench of oil on a hot engine or exhaust system following a lube service. It is equally frustrating for the lube shop as they must correct the problem, losing billable labor time. We have seen customers […]
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When diagnosing engine performance complaints such as misfire symptoms, be advised that several systems and components can contribute to those symptoms. When considering single or multiple misfire codes, some checks may seem farfetched but trust me if not all are considered the symptoms can elude the most experienced technician, resulting in a misdiagnosis. When this […]
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Pinpointing the reason for a crank but no-start, extended cranking, rough idle or misfire symptoms can be a challenge that can consume a lot of diagnostic time to resolve the complaint. Often the Malfunction Indicator Light (MIL) will be illuminated and a PO300 random misfire code may be stored in memory. If you are lucky, […]
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