Whistling sound, but stops when brake is pushed - JeepForum.com
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post #1 of 3 Old 12-21-2013, 09:23 PM Thread Starter
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Whistling sound, but stops when brake is pushed

Just as the title says. There is a whistling sound and if I light push the brake pedal in it will go away. Once I let off it comes back.

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post #2 of 3 Old 12-22-2013, 06:41 AM
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If it is a 'hissing', the brake booster is bad. The brake booster has several internal diaphrams. When a rupture develops, the booster 'hisses'. Depressing the pedal temporarily stops the hissing.

Do a search for brake booster, or hissing. There are lots of threads.
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post #3 of 3 Old 12-22-2013, 07:17 AM Thread Starter
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