Local garage gave me a competitive price on interim service(basically an oil and filter change) and are offering the service with an engine flush.I read so many things about this, good and bad, but does anyone know the pros and cons of this?

http://briskoda.net/forums/topic/509975-engine-flush

 

35 minutes ago, aliveandflipping89 said:

interim service(basically an oil and filter change) and are offering the service with an engine flush.

Pros - Cheaper than paying full price

Cons - Loosen dirt in engine

Paying for unnecessary works

Unlikely to be "done right" since this requires driving the car "engine hot" gently for about 200 miles with the flush in.

50 minutes ago, KenONeill said:

Pros - Cheaper than paying full price

Cons - Loosen dirt in engine

Paying for unnecessary works

Unlikely to be "done right" since this requires driving the car "engine hot" gently for about 200 miles with the flush in.

That sounds terrifying think I’ll pass 🤣

On 23/02/2023 at 23:04, KenONeill said:

Cons - Loosen dirt in engine

I always find this argument a funny one.... If your engine has enough sludge/dirt that loosening it up will cause damage to the engine, then the damage is already done and its past the point of fixing it with a magical chemical. 

That being said, engine flush is one of these 'magic chemicals' that i think is absolute rubbish.

 

Stick to the service routine, use good quality parts and youll have no need for any engine flushes. 

1 hour ago, ApertureS said:

I always find this argument a funny one.... If your engine has enough sludge/dirt that loosening it up will cause damage to the engine, then the damage is already done and its past the point of fixing it with a magical chemical. 

That being said, engine flush is one of these 'magic chemicals' that i think is absolute rubbish.

 

Stick to the service routine, use good quality parts and youll have no need for any engine flushes. 

Ok, now explain how a routine 3_000 mile oil change broke the oil light's pressure transducer by getting carbon into it despite sticking to the service routine.

Must be a very weak flushing oil if you need to drive 200 miles at operating temperature, more likely to be just a cheap disposable engine oil.

 

Back in the day when products did what they said on the tin and to hell with the virtue signallers you would run the enine up to temperature and for a maximum of another 15 minutes before draining, the hot fluid would come out so thin that it would shoot vertically across the top of my drainer tray burning me in the process.

 

It was mostly paraffin with some engine oil, since then if I flush I do it with 50/50 el cheapo oil and paraffin, with this or proper old school engine flushes you should never drive the vehicle or put the engine under load.

 

What flushing oil advocates that you drive for 200 miles and what ACEA/VAG specs does it claim to meet?