Corvette C4 Forum 1984 through 1996

Cruise control vacuum lines

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Old Aug 15, 2007 | 11:24 AM
  #1  
jonnyquest's Avatar
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Joined: Aug 2007
Posts: 6
Default Cruise control vacuum lines

Cruise stopped working, checked the vacuum lines and they're pretty dry-rotted. Going to replace them (hopefully that's the culprit). Can't trace the line that runs into the firewall, can't even get my hand down in there, to tight.

What's the best proceedure?

Oh, it's a 1995 w/92k miles.
 
Old Aug 16, 2007 | 06:20 AM
  #2  
mech259's Avatar
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Joined: Jan 2006
Posts: 1,858
From: Lumberton, Texas
Default RE: Cruise control vacuum lines

The vacuum line through the firewall goes to your brake switch and it is directly under the brake booster. It is the vent to release vacuum from servo when you step on brakes.
 
Old Aug 16, 2007 | 11:20 AM
  #3  
jonnyquest's Avatar
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Joined: Aug 2007
Posts: 6
Default RE: Cruise control vacuum lines

Any diagram or pic of what i'm looking for once i'm up inside the brake pedal. And could it be the switch?
 
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