The Case of the Reluctant Titan

It appeared to be a textbook case of strangulation. But not so fast….. Harry looked up from the morning paper as a new case file slid across his...

Mercedes-Benz PRE-SAFE System Evolution

Technology Advancements and Avoiding Service Snafus The Mercedes-Benz PRE-SAFE system was originally conceived as an engineering concept for a...

A Look Inside Volvo Turbo Technology

A Little History Volvo turbo The exhaust-driven turbocharger was invented back in 1905 by Swiss engineer Dr. Alfred Büchi in Germany. And the first...

The Mercedes-Benz Certified Collision Program, Part 2 – Taking your collision business to the next level

We discuss the three tiers of certification: What they mean, what kinds of vehicles are included, the requirements, and how to get started.

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Mercedes-Benz 4MATIC Evolution

Introduced over three decades ago, this feature has gone through several generations. Do you understand how to handle them all? Most 4MATIC models...

How Volvo Turbo Systems Work

The turbocharger boost pressure in Volvos is controlled by the Boost Pressure Control (BPC) valve whose pressure regulator is affected by the...

Understanding Mercedes-Benz Lane Keeping Assist

Understanding how steering, Electronic Stability Program, acceleration, braking, camera and radar sensors interact in the Mercedes-Benz Active Lane...

Mercedes-Benz Vision URBANETIC – More than a self-driving vehicle

A revolutionary new mobility concept, the Vision URBANETIC platform from Mercedes-Benz Vans is much more than all-electric, self-driving vehicle....

Replacing the Volvo Oil Trap and Oil Pan Sump – Understanding What it Does and How to Replace it

This oil trap system allows the engine to breathe properly during operation. Here's what it does and how to replace it. Volvo has been using an oil...

What About Mercedes-Benz Vans

Since 2006 more than 185,000 Sprinter and Metris vans have been delivered to destinations across the United States. Get to know the various models...
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Damage from a Frayed Serpentine Drive Belt

Damage from a Frayed Serpentine Drive Belt

We’re going to show how the owner was able to save their car’s engine after the crankshaft sucked the belt into the engine and what we did to repair the car and get it back on the road better than ever.

When is a vacuum leak not a vacuum leak?

When it’s hiding in the EVAP system of a Porsche Cayenne.

A P0455 code points to an EVAP problem, but the EVAP system checks out OK with our smoke tester. And the purge valve checks out as well. So where could the problem lie?

Our derFix Super Sleuths unravel the mystery.

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