Venturing Into Duramax Territory
Back in the 1990s, GM wasn’t making too many waves in the diesel truck market. The 6.2L and 6.5L engines had been around for sometime, but they were no match for the release of the Cummins 6BT in the Dodge truck in 1989 and the Ford Powerstroke in 1994. GM never really had a strong
Under the Hood: Five Generations of Duramax Diagnostics
The Duramax diesel brought GM back as a major player to the mid-size truck market by offering dependability, fuel mileage and quiet operation with plenty of power, says contributor Bob McDonald. While these engines have a great reputation, some problems are bound to arise.
Service Advisor: Reducing Problem Gases: Examining Ford’s EGR System
Typically, the Ford EGR system doesn’t require regular maintenance, but a valve that is clogged or sticks could result in the check engine light turning on, a decrease in gas mileage, a vehicle that idles roughly or fails the next emissions test. Then what?
Under the Hood: Ford Engines — Big Things Come from Small Packages
Exploring Ford’s EcoBoost direct injection gasoline engine technology
Real World: Boosting Your Career with Turbocharger Service
One of the most common causes of poor turbo performance is bad shaft bearings, which often results in rubbing or binding between the compressor and turbine wheels and their housings.
Fueling the Future: The Engine Building Industry’s Take on Alternative Fuels
For engine builders looking for a way to go green, alternative fuels offer a lot of promise, but currently, some of the limitations may make it a challenge to build engines for some alternative-fuel platforms. It is important to know what you can and cannot do from a legal standpoint.
Living Under the Hood: Diagnosing Central Port Fuel Injection
Back in 1992, General Motors introduced a new type of fuel injection system known as “Central Port Injection” (CPI), which GM also refers to as “Central Multi-point Fuel Injection,” and later renamed “Central Sequential Fuel Injection.”
Lubricants: Variety of Oil Blends Required to Meet Today’s Engine Requirements
Today, a shop owner is confronted with stocking a variety of multi-viscosity oils, including 0w-20, 0w-40, 5w-20, 5w-30, 10w-30, 10w-40, 15w-40 and 20w-50, not to mention stocking some of these viscosities in synthetic and non-synthetic bases.
Motor Oil Under the Microscope
Most people think motor oil is only a lubricant that reduces friction and wear inside an engine. But it also helps cool bearings, pistons and other parts, and helps prevent rust and corrosion.
Special Report: A Case of Bad Gas
Bad gas comes in many different varieties. There’s the kind you get when you gulp down a double bean burrito. But not so funny is the kind that comes out of a pump nozzle in filling stations across the country. According to some sources, there’s more bad gas out there than the industry is willing