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HighRolla
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icon14.gif  Coolant change..fairly quick one Fri, 28 May 2004 02:22 Go to next message
Quickest way to do good drain?

Sorry I know it's been done before Sad , but is this the best way to do it

1. Drain out old coolant, put hose through to get out as much as possible

2. Fill with water and one of those 250ml bottle of radiator flush.

3. Run car for 15mins (ideally drive for a day but is 15mins ok?).

4. Drain out let cool

5. Add plain water

6. Run car till circulated through with radiator cap off

7. Drain out

8. Finally fill car with water and appropriate amount of coolant.

Is it alright if there is still some left over coolant when you add the radiator flush ( I assume that it should be as I think it is what it is made for...to flush). What is best one to use, Nulon or Wynns. Is it worth using these products, can it really get rid of mild corrosion and save probs down the track?


Thanks

[Updated on: Fri, 28 May 2004 02:25]

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HighRolla
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Re: Coolant change..fairly quick one Fri, 28 May 2004 05:13 Go to previous messageGo to next message
Anyone Razz
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Grega
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Re: Coolant change..fairly quick one Fri, 28 May 2004 05:19 Go to previous messageGo to next message
not a great fan of those coolant flushing things to be honest

open heater tap to full to flow the water thru that too...
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HighRolla
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Re: Coolant change..fairly quick one Fri, 28 May 2004 05:57 Go to previous messageGo to next message
Yeah - I'm not sure whether to use one either. Maybe if everything in bad nick??

If the coolant coming out isn't too bad would it be better not using one of thse products?

Thanks for the reminder about the opening the heater valve Smile
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Grega
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Re: Coolant change..fairly quick one Fri, 28 May 2004 07:02 Go to previous messageGo to next message
yeah i usually forget Rolling Eyes

i don't like these products. if they go removing scale and all that shit fine, but, when i pulled my 2T apart the amount of scale around the back of the welshplugs was SO BAD it had blocked up the galleys (which is why my 2T used to overheat)

also that crap will also fill up your radiator with stuff.

i'd be more inclined to utilise hi pressure water....

something else (that i made) was a piece of PVC hose in a long 90 degree elbow same OD as my radiator hose - i glued an aircompressor fitting in there too, and, when the block and shit was full of water hit the thing with a blast of air from the compressor - that cleaned everything out no issues!
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HighRolla
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Re: Coolant change..fairly quick one Fri, 28 May 2004 14:45 Go to previous messageGo to next message
Quote:

but, when i pulled my 2T apart the amount of scale around the back of the welshplugs was SO BAD it had blocked up the galleys (which is why my 2T used to overheat)



Does this mean you used the "flush" and it caused shit to dislodge and block up somewhere else? Confused

Cheers,
Ben
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HighRolla
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Re: Coolant change..fairly quick one Fri, 28 May 2004 23:28 Go to previous message
Another question for you Grega or someone. I don't have an air compressor so couldn't do the one you're talking about, but if I ran it with just fesh water then drained that, would this be good engough you think? That is how I've done before....
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