balloon release noise

Asked by Nov 01, 2011 at 06:42 AM about the 2002 Mazda Demio

Question type: Maintenance & Repair

Demio Jap import, has a loud balloon release noise when engine starts and only stops when i either excelerate for a second ot apply the breaks on full!! the noise sounds like there is a tube that just needs taping but am not sure if its more to that, anyone else with the same problem and if so, how did you fix it, thanks

2 Answers


probably the brake booster vacuum line. find the brake master cylinder (where you put brake fluid). right behind it there will be a round thing that the master cylinder bolts into. there SHOULD be a a rubber hose about a half inch in diameter going into that round thing. if its not there, look around in the engine for a hose going to nothing. there should be a plastic elbow on the end of the hose too. plug the directly into the round brake booster.

2 out of 2 people think this is helpful.

thank you!! will look for this and hopefully that will be the solution!! :)

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