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Subject:Re: Are Coolant Flushes Too Corrosive for Old 2.1Ls?
From:TJ Hannink
Date:Fri, 24 Jan 2003 06:43:51 -0800

--- Ed Bass <edward.bass@GM.COM> wrote:
> Should I go ahead and let them put in the corrosive cleaners that are
> typically part of a flush treatment?

It shouldn't hurt anything that isn't in bad shape already. Just make sure you
get all of the old coolant out. The Haynes manual's method of flushing the
Vanagon cooling system calls for disconnecting the main coolant lines at the
thermostat housing and coolant distributor and backflushing the radiator from
that point, something the Bentley manual fails to mention. If you don't do
this, you can leave over a gallon of old coolant in the system. Mixing old and
new coolant is a bad idea, made even worse if you have the corrosive cleaners
left in it, so make sure all of the old stuff out.

Good luck,

=====
TJ Hannink
Goldibox - 1987 Vanagon Camper, Wolfsburg Edition
Winter Park, Florida
http://home.earthlink.net/~tjhannink/
http://groups.yahoo.com/group/wolfsburg_campers
http://photos.yahoo.com/tjhannink [Vanagon] Album

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