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7/1/2008 1997-2008 Ford 3.8L, 3.9L and 4.2L Spark Knock Under Light Load and Acceleration Some vehicles equipped with 3.8L, 3.9L or 4.2L Ford engines with Split Port Intake Manifold Runner Control (IMRC) may exhibit spark knock under 7/1/2008 2004-2007 GM Passenger Car and Trucks with Close-Coupled Catalytic Converters Certain 2004-2007 General Motors vehicles may be equipped with a new style of catalytic converter, technically known as the close-co 7/1/2008 Updated Torque Specs for 1999-2003 GEN III Vortec Engines A new exhaust manifold bolt and torque specification was introduced to the GM GEN III Vortec small block V8 engine beginning with t 6/17/2008 1994-2005 GM Northstar 4.6L Engine Head Bolt Thread Repairs When disassembling the GM Northstar 4.6L engine, all head bolt threads should be thoroughly inspected as they are removed. If there is any section of the aluminum block thread left on the bolt, that... 6/17/2008 Valve Train Ticking Noises Reported on Honda 2.2L Engines There have 6/16/2008 Chrysler 3.7L Throttle Body 'Whistle-Like Sounds' Whistling sounds have been reported coming from some 2007 Chrysler 3.7L engines. The intake-to-throttle-body joint may be the ca 6/12/2008 History-Making Times and Technologies Election years are always an interesting time and this year is certainly no exception. Some decisions we have a choice about, others we don’t. 6/11/2008 Shop Solutions: June 2008 Features: How To Handle Engine Diagnostic Nightmares; Removing Cylinder Head Alignment Dowels; The Importance of Cleaning Crankshafts; Removing Crankshaft Pilot Bearings Revisited 6/3/2008 Diesel Rod Reconditioning One key operation in rebuilding an engine is to recondition the connecting rods. Bec 6/3/2008 Installing Deutz Diesel Liners Many people sweat Deutz diesel liners simply because the Deutz 912 series diesel is an air-cooled German engine and everyone knows German air-cooled engines such as Porsche and VW are not exactly jo... 6/3/2008 Overcoming Cam Problems in GM 4.3 V6 Vortec Industrial Engine The GM 4.3 V6 Vortec industrial engine is a rugged engine that has been used in a variety of applications. However, some 5/20/2008 Crankshaft Rear Main Oil Seal Leaks in Some 60-degree V6 GM Engines This information only applies to 60 degree V6 engines. Some of the discontinued 60 degree V6 engine VINs and RPOs may have carried over to other new model year engines and may no longer be a 60 degr... 5/20/2008 Manufacturer Tech Tip: Installing Wire O-Rings in Cylinder Blocks SCE Gaskets offers the following information about installing wire O-rings in the cylinder block. When installing O-rings there are two main considerations for placement: The O-ring must be c... 5/20/2008 Shop Solutions: May 2008 Installing Cam Bearings In Vintage Engines I have found that building vintage engines can be fun and also challenging, especially the very early engines where assembly information was somewhat limi... 5/19/2008 This Super Duty Was a Super Headache Recently, one of our technicians was having trouble replacing the spark plugs on a 5.4L 3-valve engine that was in a 2005 Ford F-250 Super Duty. Even though he followed the updated service procedure, ... 5/5/2008 Poor Engine Performance Complaints on 2001-2003 GM 4.3L, 5.0L or 5.7L Engines 5/2/2008 ’96-’97 Subaru Crankshaft and Piston Assembly Update The following information updates the previously published service procedure and should be used for crankshaft and piston assembly on 1996-1997 Subaru Legacy engines (2200cc, 2500cc). 1) Install ... 5/2/2008 Porsche Boxster 987 Crankshaft Seal Leaks Crankshaft seals on some Porsche Boxster (987) engines may become damaged from being removed incorrectly. You must be careful not to damage the sealing lip during removal. The proper procedure for r... 4/21/2008 PT Cruiser (2.4L) Head Gasket Design Change There is a cylinder head gasket design change for 2002 Chrysler PT Cruiser 2.4L VIN B en 4/21/2008 Shop Solutions: April 2008 Charging For Expert Advice Bench racers wasting your time? Our shop labor rate is $80 per hour. I sell m 4/18/2008 Revised Chrysler 2.4L Cylinder Head Bolt Re-torque Procedure This information supersedes the previous technical bulletin, dated March 25, 2005. The previous bulletin should be removed from your files. This bulletin applies to vehicles equipped with a 2.4L eng... 4/8/2008 Cummins Lift Pump Leakage Due to Ultra Low Sulfur Diesel Fuel This information affects Cummins ISB and QSB CM550, ISC, QSC, ISL, and QSL CM554 engines 4/8/2008 Determining the Correct Head Gasket For Cat 3114, 3116 & 3126 (2 valve) Engines As the 3114, 3116 and 3126 (2-valve) engines age you may encounter engines that have or will require thicker (oversized) head gaskets 4/8/2008 Why Does The Appearance Vary On Engine Bearings? These differences will not only vary between engine models, but can also change depending on shaft diameter or journal size utilizing different part numbers within the same engine. 4/1/2008 When You’re Hot, You’re Hot And When You’re Not, That’s Cool I recently got into a conversation with another industry acquaintance and he said, “You know, you only gave your readers half the story by talking about PCV.” As my brother-in-law would say that arous...

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