OnTheEdgeIn07 Posted February 25, 2012 Report Share Posted February 25, 2012 We have an 07 Edge and the brakes are really hard to depress. Seems like the power part of power brakes is not working. Started with a hissing sound under the dash and progressed quickly to becomming hard to depress. Is there an air assist type of function that could go out? And would the air sound/hissing sound be a symptom that anyone could use to suggest where I should look first? Quote Link to comment Share on other sites More sharing options...
15265 Posted March 27, 2012 Report Share Posted March 27, 2012 you have a bad vac leak Quote Link to comment Share on other sites More sharing options...
Dingo Posted March 28, 2012 Report Share Posted March 28, 2012 Probably the hose from the intake manifold to the brake booster. Quote Link to comment Share on other sites More sharing options...
FordGuru Posted March 28, 2012 Report Share Posted March 28, 2012 Probably the hose from the intake manifold to the brake booster. been seeing brake boosters going bad as an assembly. if you know how to remove your booster and safely put everything back together you can pull the booster off and look for fluid behind the seals Quote Link to comment Share on other sites More sharing options...
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