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View Full Version : Whats the best way to flush out the water system?


Mazz
09-02-13, 12:15 PM
As above basically! I want to completely flush out the water system on my XE.

Bottom hose off and hose pipe in the header tank?
scott.parker
09-02-13, 12:19 PM
Yes mate, if you have a drain valve on the rad use it, if not just make sure your rad pipes dry before putting the pipe back on, as it might leak slowly if it's damp etc..
turbojolt
09-02-13, 12:20 PM
thats how i done my mx5, then took the rad off and gave that a good clean through aswell
Mazz
09-02-13, 12:43 PM
Not sure about the drain valve, its a GSI velso (:confused:) jobbie
Edd
09-02-13, 12:48 PM
Drain water, load of Cillit Bang in header tank, flush through with hose pipe lol done it many times works a treat
Novasport
09-02-13, 02:21 PM
Whats your reason for cleaning it? Is there oil contamination or is it just rusty dirty water in there?
We you a cooling system flush at work that is very effective. It is a non foaming detergent. We normally use it when a head gasket has failed and we need to clean the system of oil contamination and mayo.
Benn
09-02-13, 04:25 PM
Not sure about the drain valve, its a GSI velso (:confused:) jobbie

GM rads dont have them...
Mazz
09-02-13, 04:42 PM
Whats your reason for cleaning it? Is there oil contamination or is it just rusty dirty water in there?


Just rusty, crappy water - hope its nothing to serious..
richz_nova
10-02-13, 09:30 PM
sorry to hi-jack your mate, but my xe head has gone porus whats the best stuff to get rid of the yummy mayo stuff
scott.parker
10-02-13, 09:36 PM
sorry to hi-jack your mate, but my xe head has gone porus whats the best stuff to get rid of the yummy mayo stuff

Fix the pours head isue with sleeving the water and oil ways, or new head that's not gone..
richz_nova
11-02-13, 06:26 AM
Fix the pours head isue with sleeving the water and oil ways, or new head that's not gone..

Already got some sleeves made for fixing the head, I meant the actual water system like pipes etc that's got the mayo stuff like inside.
pie
11-02-13, 09:16 AM
forte coolant flush is good only open to trade tho
jimbob-mcgrew
11-02-13, 09:34 AM
fill the system up with drain cleaner ? lol
Mike
11-02-13, 10:27 AM
forte coolant flush is good only open to trade tho

Its readily avaliable on eBay :thumb:
pie
11-02-13, 12:32 PM
aww ive never look on ebay for it lol always got it on my account lol
Mazz
11-02-13, 06:23 PM
£15!
John
11-02-13, 07:08 PM
Might have some left over coolant flush from work, will have a look for you :)
Keif
11-02-13, 08:03 PM
GM rads dont have them...

New GM rads do.

http://i71.photobucket.com/albums/i124/Keif_1974/Cars/How%20To/Meriva%20Thermostat/DSCF6030_zps52fb5d53.jpg