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Tech Feature: Jeep TJ Cylinder Block Casting Information

It was considered one of the best off-road engines ever made. The extreme low-end torque is ideal for trailing and rock crawling, but "no mas" for the 4.0L Jeep. 2006 was the end of U.S. application production. More

Tech Feature: Solving the Riddle of the V10 Chrysler Cylinder Head

Although there aren't nearly as many of the Chrysler V10 engines out in the marketplace as the Ford Triton V10s, there are enough of them that you have probably seen them show up in your building at some point. Since the engine's life span was only 10 years and ended in 2003 they have now become "orphans" so to speak. Once that happens, you know for certain that someone is going to have to remanufacture... More

Tech Update: Gaskets, Seals, Sealants and Fasteners

Some gaskets can go the distance, while others can not. The factors that typically cause a gasket to fail include age, heat, thermal expansion, abrasion, pressure, vibration, corrosion, material breakdown or poor design. More

Tech Tip: Oil Leak by Crankshaft Seal on Porsche Boxter Engines

Engine oil leaks in area of crankshaft sealing ring on flywheel side may be coming from the crankcase and intermediate-shaft flange bolts. More

Back to Basics: How to Read a Micrometer

Most people think of an outside micrometer when they hear the term "micrometer." An "outside micrometer" is one that measures the outside of something such as diameter, length or thickness. There are other types of micrometers, including depth micrometers and inside micrometers. More

Tech Feature: Closing the Gap on Intake Manifold Gaskets

Back in the days when most engines had cast iron blocks, heads and manifolds, the intake manifold could be easily sealed with simple and relatively inexpensive die cut fiber faced metal gaskets (solid or perforated core). Sealer was usually required to ensure a leak-free installation. More

Tech Tip: Air Filter Inspections

Does your lube service technician understand there is more to an air filter inspection than looking for a dirty air filter? Make certain he understands the liability a damaged housing can be to the shop, especially if he fails to make the customer aware and properly document the condition on the repair order. More

Tech Tip: 1987-93 Jeep 4.0L: Head Gasket Leaks/Seepage Found in Engines

Some vehicles equipped with a 4.0L engine, may experience engine oil leaks/seepage from the head gasket along the right-hand side (tappet rail) of the engine. More

Tech Tip: Chrysler 2.0L and 2.4L: Updated Multi-Layer Steel (MLS) Head Gasket Installation Procedures

The MLS gasket was released for production, as a running change, in the 1999 model year for all models except FJ. The new gasket provides superior sealing characteristics, but will require extra care in their installation where a composite gasket was previously in place. More

Tech Tip: Taming a Growling Buick Lucerne

Some Buick Lucerne owners may comment on a vibration and/or growl type of noise during light throttle drive-aways at approximately 1,800 rpm. This condition may be caused by the front edge of the front engine mount bumper stop grounding out to the inside vertical surface of the restrictor plate. The bumper stop lacks sufficient travel and/or the rubber material to isolate the ground-out. More