Tech Notes Archives - Page 20 of 35 - Engine Builder Magazine
Chrysler LH318 Industrial Engine Oil Filter Alternative

The Chrysler LH318 industrial engine has been around for a long time in many industrial applications. You can find them in forklifts, material handlers, marine applications and even wood chippers as well as other applications. The 318 Chrysler industrial engine is now so old and so common that people are swapping them back and forth

Flat Tappet Camshaft Break-in Procedure

Note: New lifters must be installed with your new camshaft prior to Installation: • Check the compatibility of the camshaft with the remainder of the valve train components (valve springs, rockers, etc.) • On race type, high spring load applications, use lighter load springs or remove the inner spring (dual spring application) just for break-in.

Honda J35 V6 Engine Knocks or Ticks at Idle

Symptom: The engine knocks or ticks at idle. The noise is usually more noticeable when the engine is warm.    Probable Cause: The rocker shaft bridge has excessive clearance, which causes the rocker shaft to rotate and make noise.  Parts Information:  Flange Bolt (Use only if a bridge bolt fails): P/N 95801-08060-08  Intake Manifold Cover

Revised Oil Pan Gasket Replacement for Ford 3.0L Engine

The new Ford gasket eliminates the need to attach the gasket to the blockwith a contact adhesive thus eliminating gasket creep duringinstallation. Slightly longer fasteners have also been released andpackaged in the kit. The old bolts must be replaced with the new ones. The new gasket is installed by placing it on the oil pan

Variable Valve Timing Noise Complaints When Starting Mazda MZR Engine

Affected Models with MZR engine 2007 Mazdaspeed3 vehicles produced before April 1, 2007 2006-2007 Mazdaspeed6 vehicles produced before April 1, 2007 2007 Mazda CX-7 vehicles produced before April 1, 2007 Description When the engine is first started, some vehicles may exhibit a loud ticking noise from the variable valve timing (VVT). This is caused by

Revised Rod Bolt Torque Specifications For GM Vortec V8 Engines

When working on Gen III and Gen IV Vortec 4.8L, 5.3L, 5.7L, 6.0L and 6.2L V8 engines you should follow a new connecting rod bolt torque specification. The rod bolts should continue to be tightened using two passes. The new specification calls for the second pass value to be increased from 75 to 85 degrees,

1999-2001 Frontier and Xterra Right-Hand Exhaust Manifolds Cracked in VGS33E Engines

If a cracked right-hand exhaust manifold on a 1999-2001 Nissan VGS33E engine is discovered when the exhaustheat shield is removed, installers must replace the exhaust manifold. If one of these symptoms should occur, use the following to diagnosethe condition, replacing the right-hand exhaust manifold and relatedparts as described.   SERVICE PROCEDURE Diagnosis: 1. Installers should

Porsche M96 Engine Screeches During Warm-Up

Vehicles/engines affected: 2005 up to 2006 Boxster (987)/Boxster S (987) with M96 engine. A screeching noise can be heard from the engine at around 2,000 rpmduring the engine warm-up phase. In many cases, the noise is anindication that the engine or oil pump has been changed. The noise iscaused by the control piston in the

Use Caution When Replacing Ford Diesel Cylinder Heads

According to Ford TSB 06-24-4, some 2003-’07vehicles equipped with a 6.0L engine may require the cylinder head tobe replaced, while design changes can affect interchangeability betweenmodel years and service of 2003-’07 6.0L engines. According to the bulletin, the manufacturer for this engine used twoseparate facilities. And while both locations built engines with thesame design data,

2001 2.4L Hyundai Engine Runs Rough

This condition may be caused by the exhaust camshaft coming out of time. A new timing belt cover (P/N 21360-38214-D) that incorporates a timing belt guide has been installed on vehicles produced since Jan. 30, 2001. Vehicles/Engines that experience the condition described above should be updated with the new timing belt cover. Inspection: 1. Inspect

Valve Train Noise Heard on Some Acura B18 Engines

The manufacturer says that the probable cause for this engine noise is due to the cylinder head being unevenly torqued. To correct this problem, Acura recommends that you retorque the cylinder head as follows. 1. Allow the engine coolant temperature to drop below 100° F (38° C). 2. Remove the camshafts. 3. Using the loosening

How To Test Compression Drop in Hot or Cold Engine

This procedure could be a course of action taken inresponse to a customer complaint of engine miss, either hot or cold. Tofind out what cylinder is affected, complete the steps below. First, check the compression using standard procedures (remove all sparkplugs, open throttle valve, etc.). Write down the compression readings.Now, install all but one of