Rick's Free Auto Repair Advice

Engine flush

Should I get an engine flush?

Shops are pushing engine flush services–Getting an engine flush is a terrible idea

Some shops are offering customers an engine flush for around $150. The service consists of pumping heated cleaning solvents into the engine to “dissolve the sludge.” That may remove some of the surface deposits, but it merely softens the most severe trouble spots. Long after you’ve paid for the flush, the detergents in the new oil continue to break up the stubborn deposits. When that happens, the freed up grit can clog oil passages, causing oil starvation and catastrophic engine failures.

If you think about it logically, an engine flush makes no sense. Because, if your engine has a sludge problem, it’s the result of neglected maintenance and you’ve most likely already caused significant damage to your engine. No engine flush can ever fix that. Flushing hot solvent through a neglected engine only serves to flush your wallet of hard earned cash. Look at these photos and the thick muck that’s caked onto the engine parts.

sludge, motor oil, oil sludge

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motor oil sludge

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sludged engine

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engine flush, sludge, motor flush, flush services

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Do you really think a quick bath in solvent is going get rid of all that sludge? Seriously. Sure, you’ll get some of it off. But what about the rest? It’ll just continue to break off and destroy your engine. See the brown colored metal? That’s scorched oil known as varnish. When metal gets hot enough to scorch oil, it’s already worn metal parts.

Getting an engine flush is risky

Make sure you understand the risks before you do an engine flush

Bottom line: If you’ve taken care of your car by servicing it on a regular basis, you don’t need an engine flush. If you’ve neglected your engine by not servicing it, an engine flush may be the worst thing you can do. In fact, several auto makers have issued Technical Service Bulletins advising dealers NOT TO PERFORM engine flush procedures on their customer’s cars. Even if your particular car maker hasn’t issued a bulletin advising dealer not to perform the service, it’s important to note than NO manufacturer actually recommends it either.

© 2012 Rick Muscoplat

Posted on by Rick Muscoplat

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