When the engine needs washing when changing the oil
Do It Yourself Educational Program / / December 19, 2019
So it is necessary to wash the engine or not?
Only in some cases. When using high-quality oil and its timely replacement of engine washing is useless and sometimes even harmful.
Why is this?
The composition includes aggressive washes components, wash-off, not only harmful deposits of dirt, but also a film of additive that protects the loaded engine components. And if a lot of dirt, it falls off in large pieces, clogs oil passages and maslopriomnik. And that leads to starvation of oil, increased wear and even engine seizure.
In addition, the washing, as well as used oil, never merge completely: 10-15% funds inevitably remains in the engine. After replacement with fresh oil is mixed with washing fluid residues aggressive, its properties deteriorate, and the resource is reduced.
That is why many motorists tend not to use the washing.
When you can do without washing?
If the following three conditions:
- You are the first and only owner of the car or unconditionally trust the previous owner.
- Always use high quality oil of one brand.
- Change oil in due time.
If anything this is not about you, think about washing.
In some situations, the engine flushing is needed?
Flush the engine must be, if you:
- bought Used cars with an unknown service history.
- You are going to go to a different type of oil or viscosity.
- Significantly exceeded the replacement time.
- Overheated engine or used oil poor quality.
In these cases the washing will help reduce the risk of negative consequences of mixing oils of different manufacturers and spreading of sediments in the lubrication system.
What are the washing and how do they differ?
There are two types of detergents: active washing fast action and less aggressive flushing oils. But many motorists washed engine conventional oil.
pyatiminutki
The most concentrated preparations with active additives capable of only 5 minutes to cope with the sludge and deposits. Such agents are very aggressive: they wash off the mud in large pieces and can even leakproof seals. The most accessible chemicals.
flushing oil
This sparing mineral oil-based detergents with specific additives for dissolution of deposits. To act, they need 15-20 minutes of engine idling.
Due to the lower content of highly purified substances gently washed out fine dirt particles, but do not affect the film of additives. Average price of money.
conventional oil
IN good oil a set of various additives, including detergents. Therefore, many drivers are washed with the engine with new oil of the brand, which is going to be used. Of course, the dirt is worse, but the engine is almost old oil remains. The most expensive option.
And what is flush choose?
It all depends on the degree of contamination and results to be obtained.
- "Five-minute briefings" should be used only in the most extreme cases, as a last resort to dirty or old motors.
- Flushing oil - standard version with a mild cleaning effect. As a rule, used when switching to a different type of oil or delayed after replacement.
- Conventional oils are more suitable for the prevention of, and when changing the type of oil.
How to wash a five-minute drive?
Follow the instructions wash manufacturer, in any case, do not break the recommendations. Most likely, you will need to do something like this:
- warm up the engine up to operating temperature.
- Shake the jar with washing and pour it into the oil filler neck.
- Start the engine and let it idle for 5 minutes.
- Stop the engine and drain the waste oil.
- Replace the oil filter and fill with fresh oil.
How to use flushing oil?
Again, proceed by the oil manufacturer's instructions. Layfhaker gives only an approximate algorithm:
- Warm the engine to operating temperature, and drain the old oil.
- Pour the flushing oil to the engine to lower marks on the dipstick.
- Start the engine and let it idle for 15-20 minutes.
- Stop the engine and drain flushing oil.
- Replace the filter and fill with new engine oil.
How to wash conventional engine oil?
- Warm the engine to operating temperature, and drain the old oil.
- Replace the filter (available at cheaper) and fill with new oil of the brand, which will be used in the future.
- Operate the car as usual 1-2 thousand kilometers.
- Warm engine and drain the waste oil.
- Replace the filter on the original and fill with new oil.
Some drivers use not polnoobomnuyu washing, but only shed new engine oil 300-500 g, after stechot waste. This allows you to remove the remnants of the old oil is not being spent on the purchase of additional canisters.
see alsoππΏπ§
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