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What Is Oil Sludge and How Does It Hurt My Car?

Oil lubricates your engine and protects it against frictional damage. It contains anti-foaming agents, anti-oxidants, dispersants, and detergents that protect the engine. However, with continued use, it forms an oil sludge. With time, contaminants such as dirt, dust, water, and coolant, build up and oxidize due to the engine's intense heat.

When these contaminants combine with oxidation in the engine, it forms a thick gel called engine or oil sludge. Preventing engine sludge formation is vital since it can damage your car.

How Oil Sludge Hurts Your Car

Oil protects the engine by cooling and absorbing contaminants. But, with time, it reaches its absorption capacity and deposits them on the engine instead. It hinders adequate engine lubrication and increases friction, causing overheating. The heat causes engine parts to rapidly wear out, lowering your car's efficiency.

It also reduces your engine's lifespan by blocking the oil screen siphon, preventing proper circulation and lubrication. Besides overheating, poor lubrication causes most engine parts to melt. This exposes your cooling system, timing belt, radiator, and gasket to severe damage with costly repairs. Engine sludge also weakens oil flow, causing a decrease in oil pressure and fuel efficiency.

How to Prevent Oil Sludge Formation

Oil is usually considered the lifeblood of your engine. Regular change is the single best practice to prevent oil sludge formation. But there are other ways to avoid a build-up.

  • Always check the engine or the oil change notification when you start your car. The lights may indicate a need for oil replacement.
  • Try to avoid too many short-distance trips. Instead, walk, use a bike, or public means
  • When you notice low oil pressure, before adding more, check for engine sludge build-up
  • Always check the gauge that shows if your engine is heating up. If it indicates overheating, let an expert check for oil sludge
  • Avoid routes with heavy stop-and-go traffic if possible

Your car is designed to warn when there is a problem. Check the dashboard warning lights regularly and for other signs of trouble. But if you are due for an oil change, bring your car to Lexbrodies today.

Wonderful, quick service. My low tire pressure light came on while driving to work downtown. I was able to make an appointment to drop off my car at lunch and picked it up after work. No charge for checking my tires and the employees were extremely friendly and efficient even though they were busy.
Judy C.
First time at lex Brodie’s it was excellent service and the girls at the front were really helpful.
Ronald & Sally H.
Easy online appointments, quick in person check in and drop off. Car was running great! Thank you for the quick service. Will always come back to Lex Brody's.
Douglas C.
Staff are always very friendly and range of services is convenient. I also like the online reservation system, and the waiting area is great, too.
Mark S M.
Have been going to Lex Brodie's for tire and alignment work for over 40 years and they have been outstanding. Sure, I've experienced a few "quirks" with them, but that also happens with any other best other shops taking care of them in good order.
Alan Y.
I always receive great service from this location. Today I had Jack and he was awesome. He explained the services and pricing. Extremely helpful. The woman who cashed me out (ugh I wish I got her name) was so kind and courteous, too! 5-stars all around! Mahalo!
Lisa U.
Yelp: These folks are fantastic. GREAT CUSTOMER SERVICE!!! I truly enjoy my visits to this location and my interactions with the employees! All smiles!
Eric H.
I am very happy with great customer service and friendly staff at Waipahu location and highly recommed. They take pride in taking care of there customers. And they honor military discount. Mahalo
Abdul R.
Yelp: Great crew as usual. Professional, knowledgeable and just plain cool to do business with.
Richard A.
I am very satisfied with the service at Lex Brodie’s. The staff were all very helpful and the work was completed timely and for the estimated price.
Robert R.
Yelp: Jack and the girls at the front took really good care of me and my mom. They are professional and probably one of the most honest mechanic shops I have been to. You can tell they really want to make their customers happy and give them the most fair price they can. Jack and the sales girl I talked to broke down all the costs before starting the work so I knew exactly what we were paying for. Great staff, patient, kind, and honest. This place treats you like family and wants you to leave happy.
Kai C.
Love the service ! Friendly staff ,Fast and efficient. On line booking makes it convenient .
Terri M.
I have been a Lex Brodie client for over 20 years. Today, I still get the same great service every single time I’m there!
Carlin K.
Great experience. Very easily scheduling online, the service advisor explained exactly what they would do, and they got done quicker than expected!
James P.
Thank you for always taking care of my car. consistently respectful, good communication. Thank you for fitting me in and keeping it transparent
Catherine M.
This was my first visit with Lex Brodie Kaneohe branch and I’m sold as a forever customer. The manger Gerard and his staff treated me like Ohana. I highly recommend Lex Brodie Kaneohe branch if anyone needs tire and/or brake service. They are the best. Mahalo🤙🏽🙏🏽
Ken Y.


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Lex Brodies is committed to ensuring effective communication and digital accessibility to all users. We are continually improving the user experience for everyone, and apply the relevant accessibility standards to achieve these goals. We welcome your feedback. Please call Honolulu, HI (808) 536-9381, Pearlridge, HI (808) 484-5680, Waipahu, HI (808) 671-4561, Kaneohe, HI (808) 792-4900 if you have any issues in accessing any area of our website.