Brian Eslick from How to Automotive http://www.howtoautomotive.com takes you step-by-step through the process of resealing the brake booster vacuum pump on a Volvo XC60 with 2.5L turbo engine.
How to Replace the Vacuum Pump, Cam Plugs, and PCV Valve on a 2007-2014 Mercedes C300 (Common Leaks)
Brian Eslick from How to Automotive takes you step-by-step through the process of replacing the brake booster vacuum pump, PCV valve, and cam plugs on a 2007-2014 Mercedes C300. These are common oil leaks on Mercedes-Benz.
How to Replace the Cam Plug (Common Oil Leak) on a Mercedes
Brian Eslick from How to Automotive takes you step-by-step through the process of replacing the cam plugs on the back of the cylinder heads of your 6 cylinder Mercedes. Job was done with hand tools in about one hour. DIY doable.