inspection Archives - UnderhoodService
Lifter Deactivation

The area of contact between the lifters and cam lobes is the highest loaded surface inside an engine.

Belt Service For Hybrid and Stop/Start Systems

Knowing how to “force start” a hybrid vehicle can be helpful if you are trying to diagnose a noise problem that involves the accessory belt drive system.

Throttle-By-Wire Diagnostics

Throttle-by-wire systems proactively manage the air and fuel going into the combustion chamber.

Solving Intermittent Overheating

New cooling systems anticipate and influence changes in coolant temperature.

Spark Plug Evolution

Spark plugs have changed over the years.

Auxiliary Coolant Pumps

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

Inspection Intervals

If you fail to inspect an item on the schedule, you could miss out on maintenance opportunities.

Solving No Heat Complaints

Here are 10 guidelines for making sure a customers heat functions.

BMW Spark Plug Replacement

Here are a few things that you need to know before replacing spark plugs in a BMW.

Worn Suspensions Reduce Braking Efficiency, Safety (Video)

Worn shocks can result in a 15% to 20% increase in braking distances. Sponsored by The Group Training Academy.

E-15 Ethanol Damage to Fuel Pumps

One of the problems with ethanol is how it reacts to water in the air and in the tank.

Turbocharged Engine Topics

Turbochargers have made a comeback – and it’s been quick.