[Vwdiesel] Cooling system flushing

[James Hansen]

Citric acid, and some liquid dish soap if it's grease you're trying to
remove.
Citric acid is a cooking thing, the sour stuff on sour gummy bears and such.
It's available, but you usually have to look. It is too mild to eat aluminum
such as heater cores, but removes magnesium and calcium carbonates just
fine.  I have a big jug of it that was intended to lower the ph of water for
crop spraying, so I'm set for  long while.  The Mercedes crowd uses it, I
think benz sold it as a factory rad flush under a fancy name for big bucks,
but it's cheap if you just buy the chemical not the branded product.
Btw, when you're done, a bit of washing soda in the water isn't a bad idea
either.
-james

-----Original Message-----
From: vwdiesel-bounces at vwfans.com [mailto:vwdiesel-bounces at vwfans.com] On
Behalf Of Rudy
Sent: November-15-10 3:44 PM
To: vwdiesel at vwfans.com
Subject: [Vwdiesel] Cooling system flushing

Anyone have any Tricks or ideas on what is the best detergent for the job?
Think it would be ok to use a heavy duty, mix with water, Grease cutter?

Rudy

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