Does "flush" really mean *flush*?
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Rock Crawling
Joined: Oct 2009
Posts: 447
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From: St Pete FL USA
Does "flush" really mean *flush*?
Or does it just mean "drain the old stuff, fill with new, and bleed as necessary"?
I make the distinction, and thus ask the question, because I know that in at least two cases -- switching to DOT5 brake fluid, and switching to R134 refrigerant -- you really needed to make sure all traces of the old were out (I've heard of people doing nitrogen purges of brake lines).
Is that actually necessary -- or the use of motor/coolant flush compounds -- when doing a "flush"?
I make the distinction, and thus ask the question, because I know that in at least two cases -- switching to DOT5 brake fluid, and switching to R134 refrigerant -- you really needed to make sure all traces of the old were out (I've heard of people doing nitrogen purges of brake lines).
Is that actually necessary -- or the use of motor/coolant flush compounds -- when doing a "flush"?
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Rock Crawling
Joined: Oct 2009
Posts: 447
Likes: 0
From: St Pete FL USA
Do you have a pointer to any detailed instructions about how to do that for various systems? I'm pretty sure from my skimming of RAVE that it just tells you *to* do it, not *how*...
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