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Performing Cylinder Head Gasket Repairs
By Gary Goms
May 10, 2012
Cylinder head gasket failures are one of the most common mechanical issues facing today's modern technician. One reason head gasket failures are common is because the cylinder head gasket itself can become a wearing part.
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Subaru Service Essentials
By Larry Bailly
April 9, 2012
In this age of extended service intervals and exaggerated claims of longevity with little maintenance, selling service at a fair price is becoming more difficult. To help boost service sales, consider building a planned process for servicing your customers' vehicles.
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Sharpen Your Belts and Hoses Knowledge
By Larry Carley
February 22, 2012
When it comes to belts and hoses, installing the wrong product can have serious consequences. You must to be familiar with these products so you can help recommend your customers get the replacement belts and hoses that correctly match their needs.
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Fouled Engine Air Filter Can Damage Mass Air Flow Sensor
February 14, 2012
The mass airflow sensor includes a piece of very fine wire with an electronic device that measures the amount of air being sucked into the engine and relays that information to the electronic control unit. Based on this and other information, the ECU decides how much fuel should be injected and when...
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Coil on Plug Ignition: The Wired Differences
February 14, 2012
For late-model vehicles, the norm is one ignition coil per cylinder, commonly known as coil on plug. However, An underhood comparison of a variety of vehicles reveals there are subtle differences among coils. For example, each individual coil may be connected to two, three or four control wires.
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Uncover Potential Profit Sources With Belt and Hose Inspections
By Gary Goms
June 13, 2011
Although belts and hoses are still classified as expendable parts, their durability has improved to the point that many dealers and technicians are now neglecting to perform routine belt and hose inspections.
From a historical pe...
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Measuring Valve Spring Retainer Height
May 20, 2011
To achieve the proper valve spring height while using the minimum amount of valve spring shims can be challenging when working with applications that use other than stock components.
...
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Oiling System 101: To Restrict or Not to Restrict?
May 20, 2011
Factory stock engine blocks were designed to be mass-produced economically and to operate in a passenger car environment. Original equipment oiling systems are typically restrictive and feed oil to the top of the engine first. The common practice has...
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Servicing Chrysler's Versatile 3.3L and 3.8L Engines
By Larry Carley
May 20, 2011
First introduced as a family back in 1990, these engines have been upgraded and improved to provide good torque for the necessary applications, reasonable fuel economy and a reputation for durability and appropriate performance.
B...
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Why Aftermarket Belts are Lasting Longer
By Larry Carley
May 20, 2011
There was a time when rubber belts were maintenance items that had to be replaced every five or six years, depending on their condition.
...
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Diagnosing Engine Misfires
By Gary Goms
May 4, 2011
Although
diagnosing misfires can be a tough assignment for any import
driveability technician, the diagnosis can be made much simpler if he
...
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Lessons Learned Regarding 'Old School' Ignition Diagnosis
By Gary Goms
May 4, 2011
Recently, I've been confronted with driveability complaints on older vehicles that appear to defy conventional wisdom. Diagnosing such problems usually forces me to re-examine the fundamentals of engine driveability diagnostics....
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Uncovering the Causes of Head Gasket Failure
By Larry Carley
May 3, 2011
The first symptoms of a head gasket that is failing are usually a slow loss of coolant with no visible leaks, engine overheating and/or a Check Engine light with cylinder misfire codes. ...
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Conducting Non-Intrusive Cooling System Inspections
By Gary Goms
May 3, 2011
All too often, we wonder where to begin when we get a cooling system overheating complaint in our service bay. Is the water pump...
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Forming Tight Connections on Intake Manifold Gaskets
By Larry Carley
May 3, 2011
Back in the days when most engines had cast iron blocks, heads and manifolds, the intake manifold could be easily sealed with simple and relatively inexpensive die cut fiber-faced metal gaskets (solid or perforated core). Sealer was usually required ...
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Priming the Preventive Maintenance - Water Pump Replacement
By Larry Carley
May 2, 2011
In today's repair market, it's not uncommon to see a vehicle with well over 200,000 miles on the odometer that still is in cosmetically and mechanically "great" condition. The importance of this trend is that many parts that were
...
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Getting the Most Data From Your Scan Tool
By Gary Goms
June 17, 2010
After interactions with countless technicians, many trainers and tool suppliers believe that the average technician uses only about 20% of the ...
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Entries are now being accepted for the
2012 Top Shop Award Program.
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