Andrew Markel explains how coolant leaks and oil consumption can lead to a slow, lazy, or dead oxygen sensor. Sponsored by Robert Bosch.
Video courtesy Underhood Service.
PCV systems are far more complex now, but they are also much better at controlling crankcase pressure.
The PCV system helps to keep the pressure inside of the crankcase within a certain range. Blowby gasses are generated by the pistons moving up and down inside the cylinders. Automakers have come up with a number of solutions to control crankcase pressure. We’ve come a long way from the days of small, inexpensive PCV valves which were a regular maintenance item. Nowadays, PCV systems are far more complex, but they are also much better at controlling crankcase pressure.
Learning how to perform drivetrain diagnostics and “in-the-car” repairs is important.
You should never estimate when it comes to parking brake adjustments.
Here are some tips and tricks that should help you to work on just about any Mercedes-Benz from the past few decades.
When solving a fuel pump issue, the scan tool is your best friend.
There’s a reason diesels typically utilize compound turbo setups instead of twin turbochargers.
Around 60% of vibration-related comebacks are due to improper wheel mounting or balancing.
CV joint shafts are typically being replaced at anywhere from 70,000 to 130,000 miles.
Trying to make do with a battery charger or jumper pack can cost you more than the price of a reflash power supply.
