1964 Diagnosing Brakes- Vacuum problem? | Ford Thunderbird forum club group 1955-2005 models

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1964 Diagnosing Brakes- Vacuum problem?

  • Thread starter Thread starter highwaymanrte66
  • Start date Start date
highwaymanrte66

highwaymanrte66

Gold Member
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Thunderbird Year
1964
I'm finally getting around to restoring my 64 Bird, the first issue I want to tackle is whether the vacuum booster is bad or if it's another problem. There's hardly any braking that occurs when standing on the peddle but I can't find or hear any vacuum leaks and there's plenty of lining on the shoes.... any trouble shooting suggestions would be appreciated.

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You can test the booster and valve by disconnecting from engine and installing a Vacuum pump with a gauge. It they don’t hold 15” of vacuum, time for replacement.
 
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