River Valley Auto

300 Northland Dr NE, ROCKFORD, MI 49341 616.866.4578

Engine and Exhaust

The Harm in Skipping an Oil Change

The Harm in Skipping an Oil Change

Some new vehicle manufacturers are now recommending much higher oil change intervals than they have in the past. As much as 5,000 to 8,000 miles or more.  Following these recommendations is very ...
Published on: Apr 06, 2025
Motor Oil—The Synthetic Advantage (Synthetic oil vs Conventional)

Motor Oil—The Synthetic Advantage (Synthetic oil vs Conventional)

You’ve probably already heard that regular oil changes are extremely important for the health of your vehicle’s engine. That’s sound advice.  But what you might not know is when...
Published on: Mar 02, 2025
The Maintenance Mindset: Full-Service Oil Change At River Valley Auto

The Maintenance Mindset: Full-Service Oil Change At River Valley Auto

{{ image('MzIx') }} people generally accept that many things in life require regular maintenance: their teeth, clothes, yards and so on, but people in MI often don't apply the idea of maintenance to...
Published on: Dec 15, 2024
Oil Filter

Oil Filter

As your engine runs, dirt gets into the oil.  Oil sludge can also start to build up.  Fortunately, motor oil contains detergents that clean the engine and gather up contaminates.  The o...
Published on: Feb 13, 2024
River Valley Auto Advice on Synthetic Oil

River Valley Auto Advice on Synthetic Oil

Heard of synthetic motor oil but would like to learn more information?  Well, synthetic motor oil is a substitute for conventional oil.  Synthetic doesn’t gel or gum-up like conventio...
Published on: Jul 26, 2023
Change Your Oil, MI Drivers!

Change Your Oil, MI Drivers!

As engine technology advances, recommended oil change intervals have gotten longer.  High quality oil in a well-engineered engine has led to extended intervals.  Here’s the problem:&n...
Published on: Apr 28, 2023
Simple Answers from River Valley Auto: Synthetic Oil

Simple Answers from River Valley Auto: Synthetic Oil

Question What is synthetic oil, and should I use it? Answer Regular oil, also called conventional oil, comes from dead dinosaurs.  Conventional oil molecules are long hydrocarbon chains of var...
Published on: Feb 23, 2020
ROCKFORD: Have You Considered Synthetic Oil?

ROCKFORD: Have You Considered Synthetic Oil?

I recently saw an ad for synthetic oil.  I really hadn’t heard about it before, so I asked by service advisor for some background.  Basically, the inside of your engine gets hot becaus...
Published on: Dec 17, 2019