coolant res tank FULL of oil !

[JMR1]

Old post or not, still relevant today, still lots of these engines around. And the Flash Cleaner bit......priceless. Thanks Crasher.

[Peakynut]

Hi there so I changed my header tank as it was filthy flushed system out with hose and water till the water run clean through system but it's still dirty better but still dirty was thinking ov mixing up a mix ov truck wash and water and running that in car for a while then flushing back through would this harm car and help with cleaning better thanks

[rowdy-999]

Any dishwasher detergent ( tablets can be dissolved in a water solution first ) will be good at cleaning a cooling system out.
A dishwasher is made of a combination of different metals, rubbers and plastics, just like a modern car engine.

[Peakynut]

Thanks for info how long should I run engine with detergent in system would you say before flushing it back out cheers

[zollaf]

remove stat, fill with water detergent, run for 10 m mins, drain, repeat but let the engine cool first before filling with cold water. you don't want to cold fracture the block now. do this until its clear, usually 3-4 attempts depending on how much oil was in there.

[Col]

What a lovely old thread.

Ford, in their workshop / technical manuals recommend the use of clothes washing powder (also non-foaming).

[Crasher]

Citric acid.

[mrnice]

What a great thread. Flash detergent now on my shopping list

[Crasher]

We did a Passat 3C 2 litre last week and the Flash worked very well but we also found a Pella pump to be very useful in skimming off the oil. Don't make the mistake my mechanic did though and put the new reservoir on before the system was flushed clean, good job they are only a tenner!