flushing

Just wondering what peoples views are on engine flushing. Iv flushed the engine (with wynns stuff) every time Iv done an oil change since I had my first car. Usually drop my oil every 6-7k that's including an engine flush and new filter. Iv heard of people having bad experiences in the...

Ok so my cambelt is up for renewal shortly going to change the water pump with it as well. have read on here that many people use dishwasher tablets as a prefered method to any commercial flushing agent...would be very intrigued if could get some opinions on this!? links...

Hi Folks. I've done a search but am a little confused. Should the G12 coolant in my car be flushed out yearly or can it just be topped up as required? The car has been serviced twice in 12 months as I'm at 20,000+ miles but I think both the services only had a visual check on fluid...