Commentary Archives - Page 20 of 21 - Engine Builder Magazine
What could be causing premature Saturn engine failures due to overheating?

Q: What could be causing premature Saturn engine failures due to overheating? A: Here

Is it normal for a customer to lose up to a quart of oil every 2,000 miles?

Q. Is it normal for a customer to lose up to a quart of oil every 2,000 miles? A. Surprisingly, if your customer is driving a 1999-2002 GM truck with the 4.8L V8 (also known as the Vortec 4800), the answer is "yes." General Motors says oil consumption of this magnitude under normal operating conditions

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Q. What

How should the crankshaft damper be installed in the 1997-’02 GM 5.7L VIN?

Q.How should the crankshaft damper be installed in the 1997-’02 GM 5.7L VIN? A. AERA

Eliminate head gasket failures on Cat diesels

Q. To eliminate head gasket failures on Cat diesels, how should the heads be torqued? A. Pressurizing the cooling system with the oil pan removed can differentiate between a water pump leak and a cylinder head gasket leak before removing the head. If a head gasket is the source of the problem this revised cylinder

Replace a piston oil jet on a 1995 Mazda 2.0L FS engine

Q. How do I replace a piston oil jet on a 1995 Mazda 2.0L FS engine? A. The following information should be used when removing and installing oil jets in 1993-

Where Should The Cam Bearing Oil Hole Be Located On A 3400 Series Cat Diesel?

A:  The AERA Technical Committee offers the following information regarding cam bearing oil hole location for 3400 series Caterpillar diesel engines and installation of all cam bearings for these engines. This bulletin should be used, and service manuals published before 1985 should not be used. The correct location for the oil hole in the camshaft bearing

Special procedures to follow when working with Ford BSD engines

Q: Are there any special procedures to follow when working with Ford BSD engines? A: The AERA Technical Committee offers the following information regarding the crankshaft dynamic balancer on Ford BSD four cylinder diesel engines. The engines that are affected are the BSD 442, 442T, 444 and 444T. The 442 series engines are 256 cubic

Tips for completing the job when resurfacing 16.3L Mack diesel cylinder heads

Q Any tips for completing the job when resurfacing 16.3L Mack diesel cylinder heads? A The AERA Technical Committee recommends that you pay attention to the fire ring grooves on 1990-2000 Mack E9 diesel engine cylinder heads whenever you resurface the head. This cylinder head incorporates a circular groove around each combustion chamber and a

The Core Market Right Now Is Very Soft

Core suppliers throughout the industry aretrying to interpret the reasons for a slower market this year."The core market right now is very soft", says Bob Grady,president of Rebuilders Automotive Supply (RAS) in Cranston, RI."Unit sales are about the same, but prices and margins aredown and terms are longer, so profits are down too." It’s human

Perspective On Using CBN Versus Polycrystalline Diamond (PCD) Cutters

In your June Shop Line you offered Jerry Lawson’s of DCM Tech, Inc., perspective on using CBN versus poly crystalline diamond (PCD) cutters. Have any other manufacturers voiced their opinions? In PERA’s May 1996 Current Concerns publication, Andy Rottler of Rottler Manufacturing made the following observations on CBN versus PCD cutters:Rottler says that due to