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Flushing cooling system


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Has anyone got a good method for flushing the cooling system?

Thanks :cool:

1982 DeLorean DMC 12 #16327, 1999 Lotus Elise, 1998 Lotus Esprit GT3 #2272, 2011 Lotus Evora S, 2013 Lotus Exige S,2016 Lotus Evora 400,2019 Lotus Elise Cup 250

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No, and I am due for this little bit of work. Bought cooant and distilled water today. Mostly I drain it down from the radiator while parked on a slight slope... stand around wondering why I chose to do it at all on the given day, cuss and swear a bit at having to contort to reach the drain plug... you get the idea.


Edited by Autocross7

"If you feel that you are in total control of the car, well, your just not driving fast enough". Jimmy Clark

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Yeah - done my SE.

Takes a while mind you but it worked.

Basically I done it in 2 halves - 1st remove the drain plug from the rad and keep filling up with water until it runs clean.

Second plug everything up and disconnect the turbo to header tank hose and run the engine - i used warmish water here so the engine didn't get a cold shock - again it took a while, and it's a kinda 2 man job.

Keep freescan on as well to monitor the temp !

The best way really is to drain and refill regularly, if you carry out that eery so and often the crap is bound to come out over time.

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