Engine Oil 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.

Cartridge Oil Filters

Mistakes made can result in costly comebacks.

GM Stop/Start Vehicles

It is essential to understand what is different on these vehicles and how it might change your diagnostic approach.

FRAM® Provides Next-Level Engine Protection for the Summer

For many people, road trips are an enjoyable summertime tradition. Whether you’re taking the family out on vacation, traveling for sporting events, or just hitting the road for some mind-clearing relaxation, summer usually means miles.  Since 1934, Pros and DIYers everywhere have relied on FRAM® to get the most complete engine protection. When it comes

Fight the Engine Effects of Stop-and-Go Traffic

It’s almost summer, also known as orange barrel season in many parts of the United States. Summer 2021 is looking like another construction-heavy season, with states gearing up for thousands of miles in road projects. At the end of March, the Ohio Department of Transportation released its 2021 construction season plans, covering 4,596 miles of

VIDEO: What ZDDP Is, What It Does and Why It Matters

Today’s engines are more complex than ever – their motor oil often needs help. This video sponsored by Rislone.

The Spin On Spun Bearings

A spun bearing is usually the end result of a chain of unfortunate events.

Reading Oil Product Datasheets

The product data sheet starts with a listing of the basics, like appearance and part numbers.

Champion Adds Two New UltraFleet Diesel Engine Oils

Only oils with the highest wear protection and viscosity stability can maximize the life of advanced diesel engines.

New API Gasoline Engine Oil Standards Coming on May 1

Creating new GF-6 motor oils involved collaboration and testing to protect engines.

Hot Shot’s Secret Offers
 Gray Diamond Euro Engine Oil

Gray Diamond Euro is safe for both diesel and gasoline emissions equipment.

GF-6 Oil Specs Are Here

Should you start stockpiling GF-5 oil for older vehicles? We have the answer for you here.