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GF-6 Oil Specification: What It Means For Repair Shops

Alex Sammut, global technology marketing manager, Lubrizol Additives spoke with Underhood Service about what the proposed GF-6 specification means for repair shops and what technicians can do to prepare for the new regulations.

Automotive Fuel Pumps Continue To Evolve

On most applications, the pump runs at a constant speed (typically 3,000 to 7,000 RPM depending on the design). However, on many newer vehicles pump speed is controlled by the PCM and will vary depending on engine load and speed. The most common type of electric fuel pump today is the turbine style pump. An impeller ring with many small blades is attached to the electric motor inside the pump.

Conventional Or Synthetic Engine Oil? How To Choose The Right Motor Oil

In recent years, the variety of different motor oils that are now available to consumers has multiplied exponentially. To keep up with the lubrication requirements of all the different vehicle manufacturers, oil companies have had to expand their product lines to include new ultra-low, multi-viscosity, fuel-saving oils, as well as products with special additive packages for specific engine applications.

Futurauto – Engine Technology Techs Will See In The Bays

by Ed Sunkin
As you begin your career in the auto service industry, youll find that for the most part, the internal combustion engine (ICE) which has been around for more than 100 years hasnt changed much in theory. However, there have been many internal modifications to the ICEs design that has made it more fuel efficient in recent years, as the world tries to reduce its thirst for oil. To become a knowledgeable diagnostic technician, youll need to become familiar with these technologies and understand how to service them when a problem arises.

Engine Compression Testing

Read this article to find out how to reduce rotating friction and increase running compression.

The Evolving Oil Change Market

The only constant in the oil change business is change itself, especially if you’re trying to maintain an inventory of engine oil for all makes and models of vehicles.

Hyundai Fuel System And Emissions Diagnostics

We recently had a 2002 Elantra GLS in the shop with assorted issues, so let’s take a look at this job since it’s a good example of some common problems we see.

Subaru Pulse-Width Modulated Fuel Pumps

Many technicians aren’t familiar with PWM fuel pumps because they’re generally very reliable. But now that many import vehicles equipped with PWM fuel pumps are rolling up the miles, it’s time to turn the page from diagnosing two-line and single-line mechanically pressure-regulated fuel pumps to diagnosing electronically controlled PWM fuel pumps.

Installing Spark Plugs: Avoiding A Misfire

The potential for inadvertently creating a misfire is very real when installing new spark plugs. I say this because I’ve diagnosed many misfires created by greasy fingerprints, broken insulators and incorrect air gaps – all caused by poor installation procedures.

The Evolving Oil Change Market

The only constant in the oil change business is change itself, especially if you’re trying to maintain an inventory of engine oil for all makes and models of vehicles. Since Volkswagen began ­requiring application-specific engine oil in the mid-1990s, the oil change business has (pardon the pun) “changed.” While many Asian vehicles ­currently require only