Northwest Automotive LLC
1735 Spruce St, DEFIANCE, OH 43512 419.782.7827

Engine and Exhaust

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Simple Answers from Northwest Automotive LLC: 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: Jul 12, 2023

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: Mar 04, 2023

Oil Change

An oil change:  Sounds simple, but there’s some important things to know about preventing oil sludge. Oil eventually starts to turn into jelly.  Literally – petroleum jelly.&nbs...
Published on: Oct 11, 2020

Change Your Oil, OH 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: Jan 07, 2020

Northwest Automotive LLC 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: Nov 14, 2019

The Maintenance Mindset For DEFIANCE Drivers

{{ image('MzA0') }} In DEFIANCE, we know we need to take care of our cars, but it just seems really hard to remember to do it. We generally accept that many things in life require regular maintenance...
Published on: Oct 08, 2019

Oil Change

An oil change at your local DEFIANCE, OH, auto shop sounds simple, but there are some pretty important things to know about preventing oil sludge.Oil eventually starts to turn into jelly, literally: &...
Published on: Apr 10, 2016

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: Nov 26, 2015