Rebuilding Opportunities: Pontiac’s Straight 8s
The Pontiac L-head straight eight was used in production cars for 21 years between 1933 and 1954. This classic engine was advertised as a powerplant that could run 100,000 miles without a major overhaul.
Top 10 Mercedes-Benz Repair Tips
With new vehicle sales topping 17.8 million units, and import nameplate VIO also on the rise, you’ll be seeing more imports that are in need of repair. And, with the increasing complexity and interconnectivity of vehicle systems, diagnostic expertise becomes all the more important. With that said, we bring you this collection of Mercedes-Benz repair tips to aid your service efforts.
Emissions Codes: Mercedes-Benz Case Study
If the MIL is on, or even commanded on, with no current code related to emissions, it can be cause for a failure. The vehicle will still be scanned for codes and readiness flags will be checked, but an MIL on with the engine running will almost always spell “failure.”
The Inner Workings of Variable Valve Timing Technology
Variable valve timing (VVT) is a way to advance/retard valve timing, and change duration, overlap and even lift in some applications while the engine is running. VVT is computer-controlled and typically uses oil pressure to change the position of a phaser mechanism on the end of the camshaft to advance or retard cam timing. VVT
Automotive Definitions
The following are key words and phrases used in articles that have run in Tomorrow’s Technician magazine. This helpful reference guide can be printed out and added to your class notes. We will continue to update this list.
Under the Hood: Getting Revved Up for (Porsche) Boxster Engine Service
The Porsche Boxster is a little different in layout than most cars, even other Porsche cars. It has been around for more than 10 years and its mid-engine design has been refined to the point that it is more than just an entry-level vehicle.
ACDelco Box Program: Klein Collins Automotive Technology
Klein Collins Automotive Technology is making it a “Green Christmas”
Tool Rules: Welding on the Spot
Due to the misconceptions and lack of knowledge regarding squeeze-type resistance spot welding and its equipment, we conducted a welding machine challenge — a test that would simulate working on a vehicle and help school instructors, shop owners and collision techs make better decisions when purchasing a machine.