June 2020 Archives - UnderhoodService
Domestic Gasoline Engine Oil Specifications

If it’s been more than a year since last oil change, the IOLM will display a reminder message, regardless of mileage.

Do You Know The Three Types Of TPMS Relearns?

There is an increasing number of vehicles that require a scan tool to complete a TPMS repair.

Prepare For R1234yf Now

Currently, there are approximately 35 million vehicles on the road with R1234yf in the HVAC system.

A/C Service With The New R-1234yf Refrigerant

Why should shops consider purchasing a new machine to handle R-1234yf refrigerant?

Understanding Stretch-Fit Belt Applications

Stretch belts can last 100,000 miles or more depending on the vehicle’s environment and where it is mounted.

Measuring Compression And Cylinder Leak-Down Is A Vital Skill

Today’s engine systems can recognize conditions that are destructive and take countermeasures to prevent damage.

Diagnostic Solutions: Starter And Battery Diagnostics

On June 15, 1911, Charles F. Kettering was awarded a patent for an electric self-starter for automobile engines.

Don’t Take Yourself Out Of The Game Before It Begins

Like it or not, electric vehicles are here and more are coming.

Could COVID-19 Cause ‘Cash for Clunkers’ Comeback?

People are hurting now and the demand and desire to do what’s possible to help is laudable.

Pulling Codes: Multiple Misfire Personalities

The vehicle appeared to run fairly well at idle, but when taken for a test drive, did not perform well. We crack the code.

Honda Timing Belt Tips

There are some things to keep in mind as you tackle these jobs.

Toyota Tech Tip: Odors In The A/C System

Toyota vehicles may exhibit odors naturally occurring from the HVAC system and/or related environmental factors.