i have a 89 towncar hissing


Asked by LincDaddy Mar 10, 2010 at 04:29 AM about the 1989 Lincoln Town Car

Question type: Maintenance & Repair

I have a 89 towncar and when i shift into drive there is a hissing noise it also does that when i shift into 3rd gear. Is there an advice on where the noise comes from and how to fix it or anything i can do to stop it. Also does it affect my motor or  transmission performance in anyway.

1 Answer


The hissing you are hearing is the automatic parking brake release. With you being able to hear the vacuum, I would suggest that the diaphragm in the assembly is split, or the vacuum line has come off of the nipple.

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