Quote:
Originally Posted by Ironic
2008 HHR, Had heard hissing noise like a vacuum leak while releasing brake pedal, now there's a constant hissing noise coming from under the dash above the brake pedal. No changes noticed in performance. Having trouble pinning this down- can anyone help?
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Hissing noise? Not good. Have you been able to take it to the dealer yet? I can set up an appointment if you would like.
Erica
Chevrolet Customer Service