The steel is constantly coated with oil, which is a surefire way to prevent the formation of rust. Is there any oil he can run to clear this out or is it just SOL at this point on the engine?Has the vehicle sat for a few years? Automotive It’s common to assume that black motor oil has worn out or become too saturated with contaminants to protect your engine and requires changing. I often give some of my little-used tools, such as handsaws, a light coating of oil to prevent rust.

T. Joined: Dec 2004. You’ll spot this kind of leak in various locations of your car. Honda accord lx, 94 w/ 140K miles. He believe it was his daily driver and assumes he used oil change places. of Detroit. Searching through this forum it looks like people are saying this is a varnish? He said the coolant looks greenish and 'seems' ok via visual inspection.Hang on Trooper.... more Auto-RX soldiers should arrive shortly.Alot of dissolved varnish can be a redish brown color. Hi, I was looking at a used truck today w/ almost 100,000 miles on it and when I looked at the inside of the oil fill cap there was a rust colored layer in it. Commercial

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The fluid color is often the best indicator of what’s leaking and can lead you to correctly identifying and remedying the issue. Varathane Help & Support Motor oil really only produces an odor if it is burning. The truck has fresh oil in it so there was nothing to see there. If the guy's the original owner & no contamination or vehicle storing has occured, I'd like to know what oil he has used up to this point to avoid ever purchasing it.The car has always been used, never sat. Re: Oil comes out rust colored? Iffylube, etc. Searching through this forum it looks like people are saying this is a varnish? This durable coating creates a smooth, high-gloss finish that withstands intermittent high heat and resists oil, gas, grease, rust, salt, humidity and solvents. It's also likely that the oil will read far above the Full mark on the dipstick if that much coolant has migrated into the crankcase. Use with Rust-Oleum Engine Primer Spray. Thick AND dark oil usually indicates dirt or contaminants. JavaScript is disabled. If the oil has added detergents to keep the motor clean, the working oil will eventually get thicker and darker in color due to a high concentration of dirt suspended in the oil. If a standard engine inspection checks as OK, run some ester-rich oil with a high detergent add-pack.

No longer present. The best solution is to have the oil analyzed by Blackstone or Butler if RX users here signal the oil color is wrong. Gear lubricant tends to have a bad smell associated with it. Modern Masters Find a Store All Rights Reserved. Once motor oil is too dirty for use in an auto engine, there is no point to trying to filter it and reuse it for that purpose. If the oil looks creamy but you don’t notice any smoke or disappearing coolant, water may have entered your engine elsewhere, which means you’ll still want to visit the garage for an oil change and a more thorough diagnosis.Having been bitten by the car bug at a young age, I spent my formative years surrounded by Studebakers at car shows across Quebec and the northeastern United States. Industrial Choice Although not quite as verbose as spark plugs when it comes to tipping you off about the details of internal combustion, oil and the way it looks can help you get an early start on diagnosing a number of potential problems with your engine.Check out these oil color variations, and what they might be telling you about your motor’s health.The oil you pour into your engine is a light amber-like color right out of the bottle, but after spending a few hundred miles inside your motor it starts to darken. If you believe you are leaking engine oil or gear oil, we recommend scheduling a fluid leak evaluation as soon as possible Has the vehicle sat for a few years?

Sierra Performance Coatings Once it starts to noticeably thicken, it signifies that it’s become saturated with particles of dirt and grime and needs to be swapped out soon.If one or both of these additional symptoms are present, it’s time to schedule an appointment with your mechanic, and drive as little as possible in the meantime. Would an oil flush or two be a good idea with an engine like this or should I look for another truck.