August 2014 Archives - UnderhoodService
The Best Tests For Fuel Delivery Systems

The ancient Greek philosopher Heraclitus said that there is nothing permanent except change. Greek history aside, it’s easy to spot change in our current market because vehicle fuel delivery technology has evolved to ­include conventional, pulse-modulated and direct fuel injection fuel delivery systems, with each having a specific set of components and testing issues. In

Testing Fuel Delivery Systems
Everything You Need To Know About Stretch Belts

Stretching the belt may seem counter intuitive after everything you have been told about serpentine belts. But stretching the belt with the right tools is often the only way stretch belts can be installed. Stretch belts can take loads off of the main accessory belt drive, allow for better packaging and solve NVH problems that

2014 4.3L V-6 EcoTec3 AFM VVT DI (LV3) for Chevrolet Silverado and GMC Sierra
Variable Displacement: The Future of the Oil Pump is Here

Almost every major OEM has an engine or engine family that uses a variable displacement oil pump that is controlled by the ECM to deliver the best possible pressure and efficiency. When it comes to improving fuel efficiency, 3% to 5% are huge numbers. Achieving those fuel efficiency numbers while also increasing the power to

Variable Displacement Oil Pumps