Is it safe to flush Engine Oil

[bimalnp4me]

 

[Davy]

The Internet is full of idiots trying out things on their cars, but that doesn't mean they're recommended nor safe. Flushing with kerosene is simply a way to destroy your engine IMO. Even engine flushing solvents should only be used as a last resort.

If you must flush, just flush using engine oil. Simply perform oil + filter changes in shorter intervals than usual. Search the forum for more info. This has been discussed in detail.

Edited February 26, 2017 by Davy
Added more content.

[kusumsiri]

26 minutes ago, Davy said:

The Internet is full of idiots trying out things on their cars, but that doesn't mean they're recommended nor safe. Flushing with kerosene is simply a way to destroy your engine IMO.

Agree with you @Davy. In the past the knowledge was the education. Now it is changed. The skill to use correct keywords to find out relevant information is the education.

[Twin Turbo]

Most manufacturer's don't recomend it.So if you  think you must, do it at your own risk.

is it ok to ask you why you're thinking of doin it?

Edited February 26, 2017 by Twin Turbo

[Rohnd]

This action will ruin specially poorly maintained old engines further.

[Rumesh88]

I do not even allow the service guys to spray kerosene on to the car body because of its effect on exterior rubber parts let alone using it to flush an engine. They hate me when I ask them to use a sponge soaked in kerosene to remove any tar on the paint.

[bimalnp4me]

15 hours ago, Twin Turbo said:

Most manufacturer's don't recomend it.So if you  think you must, do it at your own risk.

is it ok to ask you why you're thinking of doin it?

I'm doing regular maintenance. Change Oil + Oil Filter  in every 5000KM. recently when i open oil cap ,  i notice some Slug on the Engine. it was substance like Tar .  That keep me thinking..

[bimalnp4me]

15 hours ago, kusumsiri said:

Agree with you @Davy. In the past the knowledge was the education. Now it is changed. The skill to use correct keywords to find out relevant information is the education.

correct keywords  always don't verify as credible information.  That's why we post things on forms to verify things.

[kusumsiri]

6 hours ago, bimalnp4me said:

correct keywords  always don't verify as credible information.  That's why we post things on forms to verify things.

Yes. Correct keywords not verify the information. But that will filter misleading information. Also the forums must be reliable. What we will get, if post the above topic in E**kiri ?

[Rumesh88]

11 hours ago, bimalnp4me said:

I'm doing regular maintenance. Change Oil + Oil Filter  in every 5000KM. recently when i open oil cap ,  i notice some Slug on the Engine. it was substance like Tar .  That keep me thinking..

What is the engine model and the mileage in question here? Your engine oil may deteriorate faster because of water vapor in blow by fumes which will remain in the crank case, if the oil baffles on the cam cover and/or PCV are clogged up with gunk. 

[bimalnp4me]

3 hours ago, Rumesh88 said:

What is the engine model and the mileage in question here? Your engine oil may deteriorate faster because of water vapor in blow by fumes which will remain in the crank case, if the oil baffles on the cam cover and/or PCV are clogged up with gunk. 

Mazda demio -  1.3 -  162k on ODO... it was with me for 2 years ..it's done 20k for this period . i have done regular maintenance - except  Air filter Change ..

one thing ,  for lat 6 months i didn't run that much..  3000km only..
 

[Rumesh88]

1 hour ago, bimalnp4me said:

Mazda demio -  1.3 -  162k on ODO... it was with me for 2 years ..it's done 20k for this period . i have done regular maintenance - except  Air filter Change ..

one thing ,  for lat 6 months i didn't run that much..  3000km only..
 

If you are running less and that too on short runs, then your engine oil would breakdown faster. If the PCV  is bad and/or the oil baffles are clogged up, these things would add up to deteriorating of engine oil. You cannot do much about low running mileage but at least if you can keep the other things in proper order that would certainly help. Change oil every six months even if your mileage doesn't reach 5k mark by then.