Tech Notes Archives - Page 14 of 35 - Engine Builder Magazine
2000-2003 Toyota 4.7L Tundra & Sequoia Oil Pressure Gauge Reads Low

Affects 2000-2003 model year Sequoia and Tundra vehicles produced BEFORE the VINs shown below: MODEL          STARTING VIN Tundra           5TBBT44112S314095 Sequoia         5TDZT38AOZS117526 1. Verify that the NEW parts are built after the Manufacturer’s Sender Case production date, as identified below. 2. Replace the Oil Pressure Sender. 3. Verify proper operation of the Oil Pressure Gauge. Some

GM Liquid Gasket/Engine Sealants Information

Models affected: 2008 and prior GM passenger cars andtrucks (including Saturn); 2003-’08 Hummer H2; 2006-’08 Hummer H3; and2005-’08 Saab 9-7X with gasoline or diesel engines. In 2005, General Motors consolidated the use of all liquidgaskets/engine sealants. At that time, two sealants replaced allprevious sealants referred to in service information and/or the servicemanual. In 2007, GM

Stuck Oil Pressure Relief Valve on 2001-

With a stuck oil pressure relief valve, the oil pressure is not regulated as it is supposed to be, resulting in possible low oil pressure and engine damage due to oil starvation. Note: this bulletin applies to vehicles/engines built prior to January 1, 2002 equipped with a Chrysler 3.3L or 3.8L engine.  When a short-block

Rear Main Oil Seal Installation Tool Caution for Suzuki Engines

Affected Model/Engine: 1996-1998 Sidekick Sport 1.8L; 1999-2003 Vitara (SQ420), Grand Vitara (SQ625), XL-7 (JA627); and 2002-2003 Aerio (RH420) engines. CONDITION: Repeat Rear Main Oil Seal Replacement. CAUSE: The proper installation tools are not used to install seal. CORRECTION: Use the recommended oil seal guide and installer as referenced in the applicable service manual. (See illustration)

Spiral Retaining Ring Installation Made Easy

Pistons, such as those from KB Pistons, are designed so they can be used as either a full floating pin or a pressed pin assembly and require the use of spiral retaining locks (Figure 1). Retaining Ring Installation To install the retainer (Figure 2), first stretch it to approximately 3/4? by grasping the two ends

Fuel Injected Engine Camshafts

To create a vacuum signal, that stands a reasonable chance at working in an application without having to re-flash the ECM computer, a camshaft needs to be: A) Short duration, 220-222 degrees @ .050? maximum. B) Wide lobe separation/centers, 112 to 114 degrees minimum. Do not attempt to install a camshaft with a 108 lobe

Design Principles for Connecting Rod Bolts

By Dr. Kenneth Foster, PhD. The process for connecting rod bolts is described in the following paragraphs as an example. Fastener Load The first step in the process of designing a connecting rod bolt is to determine the load that it must carry. This is accomplished by calculating the dynamic force caused by the oscillating

Engine Builder Shop Solutions: March 2012

Transferring Gaskets For Intake Port Matching I have found an effective way to transfer the gasket to the intake manifold without losing the “port location.” First, have the completed long block with the heads and its ports finished. Next, do all the pre-fitting of the gaskets and manifolds or “mock-up” work. Make any machining or

Camshaft and Lash Adjuster Design Change for Ford 5.4L-3V Engine

Do not use 2005 MY parts when servicing a 2004 MY engine, or 2004 MY parts when servicing a 2005 MY engine. If parts are intermixed during a service repair, the engine may exhibit noises on affected cylinders and engine damage may result. ACTION Order and install parts for the correct model year engine. The

Levers and Gears: Anatomy of a Dial Indicator

Mechanical dial indicators (comparators) are characterized by a sensitive contact, a measuring system that transfers and magnifies the mechanical motion, and a means of indicating the measurement.   The American Society of Mechanical Engineers (ASME) has the responsibility of preparing standards which encompass the inspection and the means of measuring various dimensional characteristics, as well

Cylinder Head Oil Gallery Cup Plug Service for Chrysler 2.7L Engine

Note: You must determine which cup plug is leaking before performingthis procedure. If necessary, perform an engine oil leak dye test. Each cylinder head on a 2.7L engine has 6 external oil gallery cupplugs. It is not necessary to remove the original cup plug to install anew cup plug. The cup plug bore is deep

Dodge V6, V8 Spark Knock, Oil Consumption from Intake Gasket Oil Leak

SYMPTOM/CONDITION: An engine intake manifold plenum pan gasket oil leak may occur on some Dodge V6 and V8-style engines. The oil leak is internal to the engine sono external oil leakage will be present. Two symptoms of this oil leak condition may be present. Customers may complain that the vehicle experiences an engine spark knock