Liqui Moly Pro-Line Engine Flush | 500 ml | Oil additive | SKU: 2037

I used the Liqui Moly Pro-Line Engine Flush on my 2013 Ford F-150 3.5L EcoBoost sitting right around 132,000 miles, and it definitely did its job. I recently tightened up my maintenance intervals to change the oil every 3,500 miles, but I wanted to give the engine a proper reset. Following the bottle instructions, I added the 500 ml can to the warm engine oil, let it idle for about 10–15 minutes without driving or revving it, and drained it immediately. Even with shorter change intervals, the oil that drained out was pitch black and smelled heavily of spent contaminants and built-up gunk. The EcoBoost engines are notoriously hard on oil with direct injection and twin turbos, so seeing that much suspended carbon and residue come out was proof enough that the detergents were doing the heavy lifting. Refilled with fresh synthetic oil and a new filter, and the truck is running smooth and quiet. Given how well it cleared out old buildup, I plan on adding this to my routine roughly every 3rd oil change (around every 10k miles) to keep the turbo oil passages and variable valve timing components clean. Highly recommended for higher-mileage turbo engines.

Seemed to work well, changed with the oil and used ceratec and engine running very smoothly now, actually noticed a wheel bearing noise after the change since the engine noise was reduced

Boy did this product work and clean out the junk in my engine. I followed the instructions on the can. When I drained the oil it was as black as I've ever seen any engine oil. I do believe that it may have cleaned things a little too well. We had not been having any oil consumption issues prior to the cleaning. Post cleaning we seem to have a little bit of an oil consumption issue. I'm thinking that maybe there is still some residual cleaner left in the system and after a couple of oil changes we'll be back to 'normal'.

Have used a lot of Liquimoly chemicals, always good quality and consistent performance. I am a repeat user. I have used the engine flush on a Mercedes diesel, Alfa Romeo turbo 4, and two BMW's. I did an oil change without the flush at 5k miles on the oil. The next change I used the engine flush, also at 5k miles on the oil, and there was a significant difference in what the engine flush cleaned out.

Works well and does its job But make you may or may not need to clean the your oil actuator in the Honda crv afterwards.

As Described, Does What it is supposed to❗️

I purchased the Liqui Moly Pro-Line Engine Flush because I was a little overdue for my oil change and wanted to clean out any deposits before putting in fresh oil. One of the main reasons I chose this product was that several online sources indicated it is safe for turbocharged engines, which was important for my vehicle. The process was simple—just add it to the old oil, let the engine idle as directed, and then perform the oil change. I can’t physically see what it cleaned inside the engine, but it gave me peace of mind knowing I was starting with a cleaner system before adding new oil. The engine seemed to run a little smoother afterward, although that could also be from the fresh oil. Overall, if you’re looking for a reputable engine flush from a trusted brand and want something suitable for turbo applications, this is a product worth considering before your next oil change.

Working fine. Put in in engine right before oil change, while I waited in line....

Liquid Moly never fails to impress! Used this engine flush as I was changing engine oil brand and spec. (My car has already done 1,20,000 kms.) Followed the instructions exactly. If you are unsure, look up official Liqui Moly videos on YouTube! Added additional step of refilling new, cheap engine oil + new oil filter and driving around for 30-40 kms. Drained that. Discarded oil filter. Refilled new premium oil of choice with new oil filter. And mission accomplished! Highly recommended!

I used this on a 2002 BMW E46 I had purchased with no idea of the prior maintenance history. Engine was running a little rough, especially on cold starts despite an oil change immediately after I purchased the car. I elected to use this product for a thorough engine flush which I performed as follows: I poured in the entire contents of the can into the crankcase with the old oil, and ran for about 12 minutes at idle speeds (anywhere between 10-15 minutes is safe). I drained the old oil which as expected, was pitch black. I then refilled the engine with cheaper oil I had purchased from Ace (around 140 AED for 7L) with a brand new filter. Ran that oil for a day just to clean out any remaining deposits and solvent (even though it is designed to evaporate). Some may ridicule this as overkill, but honestly spending 160 AED for a cheap oil and filter is a minuscule price to pay for engine longevity and peace of mind. I drained the oil which had already turned a dark brown, exhibiting just how much of the old oil and deposits remained in the engine. I filled it for the the 2nd and final time with Liqui Moly's "Molygen" 5w40 which is BMW LL-01 certified. After almost 2 weeks, I've inspected the oil several times and it has remained remarkably clean despite driving almost 1,000km. The engine settles down much quicker, and is certainly much quieter and smoother before. If you are religious about changing your oil every 5,000 to 7,000km and have maintained your car since new, this product and entire process is unnecessary. Regular oil changes and the additives/detergents in modern motor oil is sufficient. However if like me, you have purchased a car with no idea of the prior history of maintenance (which you should determine from actual service records and not just the hearsay of the seller) then this is a worthwhile extra step for peace of mind.

¿Es parte indispensable en un cambio de aceite? No, la verdad no. Sin embargo, la fórmula cumple perfectamente con su función si sigues las instrucciones al pie de la letra. Si no sabes cómo usarlo, búscalo en YouTube (preferentemente en los canales oficiales de la marca). Entonces ¿para qué usarlo si no es indispensable?, bueno la respuesta es sencilla: para sacarle el mejor provecho al aceite nuevo habiendo limpiado por dentro el motor. Si quieres que el aceite nuevo realmente cumpla con su propósito (lubricante, detergente, etc., etc., etc.,) lo ideal es que "trabaje" en un máquina lo más limpia posible. Así que, en conclusión, es un excelente "pre" para que el motor esté en mejores condiciones para recibir el aceite nuevo.

This works great. I used it after I had just done an engine flush and oil change. Turned my fresh oil black! My truck has had the engine changed, has under 130,000 on the engine, and has been regularly serviçed with full synthetic oil etc. Not an old negleted beater. Check engine light is on from an oxygen sensor, because I ran seafoam through it when I did the first oil change. Code is cleared now, has not returned. Just before my last oil change in my 2008 Sierra 1500, with the 4.8, I added some transmission fluid to my oil (old school teick to clean engine out, I have been doing this for years) idled about 5 km, then added some store bought engine flush. Idled for 5 minutes, then drained all the oil. I jacked up my truck and let it fully drain for about 20 minutes until no oil was left. It came out black, and my oil filter was heavy I then filled it with cheap conventional oil and put a new filter on. My oil pressure went up slightly, and the lifter tick went away. I drove it for 2 days, putting less then 200 km on the new oil. It was still clean, and as clear as the day I put it in. I added this engine flush, and idled it for 15 minutes. The oil pressure went down slightly, and the lifter tick returned. This stuff cleaned a ton of crap out of my already flushed engine! Oil filter was again heavy, even after draining the oil from it for 10 minutes (not as heavy as the first one, but still, heavier then a used filter normally is) Drained all oil out again, refilled and put a new filter on. As you can see from the pictures, the oil came out black again. The oil pressure went up higher then it ever has been since I owned the truck, and the lifter tick is completely gone. Definitely reccomend this. Also, if you are at a point of doing an engine flush, I would probably do what I did and use this as a second flush, as I believe it works better then cheap store brand. How could it get the oil that black if the store brand stuff did it's job? I really did not expect my oil to be as dirty as it was

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