Brian Sexton, Author at UnderhoodService
PCV System DTC

PCV systems are far more complex now, but they are also much better at controlling crankcase pressure.

Top Five Brake Tips (VIDEO)

Here are five tips on brake jobs tips for technicians. This video is sponsored by TRW.

How Do Brakes Work? (VIDEO)

You must use a brake pad that matches the original performance characteristics. This video is sponsored by TRW.

Auxiliary Coolant Pumps

Don’t be fooled into thinking that these pumps will go away with the surge in hybrid and electric vehicle production.

Mercedes-Benz AC Service

Here’s what you need to know about R-1234yf refrigerant in Mercedes-Benz vehicles.

CDC Shocks and Struts (VIDEO)

CDC units use electronically controlled valving to control the compression and rebound of the dampener. Sponsored by Sachs.

DIYer Brake Pads (VIDEO)

Here are five tips that will have you perform a brake job like a pro. This video is sponsored by TRW Aftermarket.

ABS Speed Sensors (VIDEO)

How does the vehicle know when to release the brakes? You guessed it. Active ABS speed sensors. Sponsored by Standard.

VVT Systems (VIDEO)

It’s important to remember that VVT is a system, not a single component or a part. This video is sponsored by Standard.

The Five Jobs of Engine Oil: LSCCC (VIDEO)

Motor oil lubricates, seals, cleans, cools, and cushions an engine. This video is sponsored by Rislone.

How to Pinpoint an Oil Leak Source (VIDEO)

The key is to follow the trail to the farthest forward and highest up point that you can find. Sponsored by Bar’s Leaks.

How to Maximize Cooling System Efficiency (VIDEO)

Do everything you can to help the system operate as intended. This video is sponsored by Rislone.