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5/23/2013 Audi/Volkswagen 1.8L DOHC Gasoline Engine Valve Failure Caution Market information indicates there are a growing number of valve failures being reported on the Audi/VW 1.8L DOHC 20 Valve gasoline engines after rebuild. 5/22/2013 Engine Builder Shop Solutions: May 2013 Authors of Shop Solutions published in each issue of Engine Builder Magazine are awarded a prepaid $100 Visa gift card. 5/15/2013 Ford 7.3L Power Stroke Diesel Injector Removal and Installation These instructions are for Ford 7.3L V8 Diesel Turbo applications. You or your installer customers may need to refer to the service manual for more specific instructions. 5/15/2013 Phaser-Style Variable Valve Timing System Controls and Operation Different versions of VVT technology exist, including the ability to switch camshaft lobes within the rpm band to offer valve lift, duration and timing numbers to suit varying operational needs. 5/14/2013 A New 'Finish' in Honing Plateau hone, soft hone, whisker hone and ultra-finish hone. Confused? Don't feel bad... there are many machinists out there who are uncertain about this new honing method. In fact, it's one of the mo... 5/9/2013 Common Causes of Water Pump Failure Here are some helpful pointers you can pass along to your installer customers for any issues they may have with water pump failure. 5/9/2013 Oil Seepage from Cylinder Head on BMW E36 with M42 Engine Oil seepage may occur from the left side of the cylinder head at the lower mounting bolt for the intake manifold support bracket due to a casting shrinkage issue. 5/9/2013 Spiral-Reamed Valve Guide Misconceptions There has been some confusion about the function of the threaded portion of the inside diameter of certain spiral reamed valve guides. 5/1/2013 Audi 2.8L V6 Rear Crankshaft Seal Leaks After Replacement Oil may leak from the rear crankshaft seal after seal replacement due to the seal lip rolling while installing the new seal. 5/1/2013 Checking Compression Ring Gaps Ring gaps are often a confusing and misunderstood part of a rering job. There are MINIMUM and MAXIMUM ring gap specifications that must be observed for the best performance of a new ring set. 4/30/2013 Engine Builder Shop Solutions: April 2013 Authors of Shop Solutions published in each issue of Engine Builder Magazine are awarded a prepaid $100 Visa gift card. 4/18/2013 Why Do Mass Air Flow (MAF) Sensors Fail? Contamination is a key reason why MAF sensors fail and require replacement. As air, dirt and other debris get into the sensor, the parts become contaminated and fail. 4/17/2013 Hydraulic Lash Adjuster Noise on 1990-93 Mazda 1.6L DOHC There have been reports of a noise from the top of some 1990-’93 Mazda 1.6L DOHC engines that occur several times faster than crankshaft rotation. 4/17/2013 Measuring Valve Spring Retainer Height 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. 4/11/2013 Coolant Leak from Front Right Side of BMW M52TU Cylinder Head Cylinder heads with a machining flaw (hair line crack) may have been installed on M52TU engines in production on a limited number of vehicles. 4/11/2013 Revised Cylinder Head Bolt and Torque Procedures for 88-95 Ford 5.0L Engines In 1992, the type of cylinder head bolts used on the 5.0L engines was changed to Torque-To-Yield bolts (TTY). Depending on the build date of the engine, the 1992 model year engines came with either TT... 4/11/2013 Selecting the Correct Filter to Prevent Lean-Out and Pump Failure You may run any brand of filter you choose, just be certain that any filter installed meets the requirements specified by the fuel pump manufacturer. 4/4/2013 Gaining Performance from Ignition Timing Entry-level racers and performance enthusiasts who are involved in Drag, Oval, or Street performance often have difficulty understanding spark advance. 4/4/2013 Whine, Whistle, Ringing Noise Complaints on 2004-2005 Cadillac 3.6L Engines Replacing the crankshaft harmonic balancer is recommended if noise is isolated to the front of engine and balancer is three-spoke design. 3/27/2013 Engine Builder Shop Solutions: March 2013 Authors of Shop Solutions published in each issue of Engine Builder Magazine are awarded a prepaid $100 Visa gift card. 3/21/2013 Steel Compression Rings with Reduced Radial Wall Thickness Since the steel is 35% stronger than cast iron, we can achieve the same ring tension with 35% less weight. That weight savings is made by reducing the radial wall thickness of the steel ring. 3/21/2013 Revised Oil Pan Gasket for 1986-2001 Ford 3.0L 'Vulcan' Engines There is a revised oil pan gasket and oil pan gasket kit available for all 3.0L-2V "Vulcan" engines built from 1986-2001. The new gasket eliminates the need to attach the gasket to the block with a co... 3/20/2013 Coolant Leak Caution on 1995-2003 Nissan 3.0L, 3.5L Engines Installers or engine customers may complain of a coolant leak found on 1996-2001 Nissan/Infinity vehicles with VQ30DE 3.0L engines, and 2001-2003 Nissan/Infinity vehicles with VQ35DE 3.5L engines. 3/8/2013 Proper Installation of Elastomer Cylinder Head Cover Gaskets In recent years, cylinder head covers for combustion engines have changed from metal to plastic. Aluminum die cast or metal valve covers have been superseded by new designs or developments in thermose... 3/8/2013 AVI Offers Cummins 5.9L and 6.7L: Issues And Review of Operations Training Program AVI brings to you another great training program, the Cummins 5.9L and 6.7L: Issues and Review of Operations.

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