Quote:
Originally Posted by Mavrick14
That's not a valid point. The same fittings joining your unions are used to mate your hard lines to your flex lines, abs units, junction blocks, prop valves etc.
This isn't a "no-no" and there is no rule of thumb not to use them.
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Upon further investigation, I think it depends on where the union is.
Fittings to flex lines and blocks are often 'out of the way, less likely to be harmed by impacts, flying debris, road hazards, etc. Unions in similar locations are likely fine.
However, it seems like a 'no-no' to use a union where an armored brake line is supposed to be. An armored steel line that gets snagged or hit by something may resist the damage more than the soft threads and fittings of a brass junction.
FWIW, my work on this Jetta must pass a Ministry of Transportation of Ontario (MTO) safety inspection. The inspector says it's okay to use unions, so I'm good to go.
Thank you all for the input.
