I was wondering to see how the silicone hoses are holding up also since this thread is a couple years old.
Anyone else besides booba have anything to report on the longevity of the silicone vacuum hoses?
My 96, bought new still have original vacuum hoses;
"...The vacuum hoses used in the passenger compartment control circuit are constructed from PVC plastic material. The vacuum hoses used in the engine compartment are constructed of Hytrel. Because of the materials used, the vacuum hoses should never be pinched off during diagnosis to locate a leak. Use Rotunda Vacuum Tester 014-R1054 or equivalent to locate vacuum leaks. A wood golf tee can be used as a plug when it is necessary to plug one end of a vacuum hose for leak test purposes..."
Source: by Ford
1996 Bronco/F-Series Workshop Manual
Mini-Tube Vacuum Hose Service
easure the length of the damaged area of the mini-tube vacuum hose.
Cut a piece of standard 3mm (1/8-inch) ID vacuum hose approximately 25mm (1 inch) longer than the damaged area of the mini-tube vacuum hose.
Cut the mini-tube vacuum hose on each side of the damaged area and remove damaged portion of the mini-tube vacuum hose.
Dip the mini-tube hose ends in Tetra Hydro Furan (THF) or Methyl Ethyl Ketone (MEK). Either of these solvents will act as a sealer for the repair of the mini-tube vacuum hose.
Insert the ends of the mini-tube vacuum hose approximately 9mm (3/8 inch) into the ends of the standard 3 mm (1/8-inch) ID replacement vacuum hose.
Shake the service joint after assembly to make sure solvent is dispersed and vacuum line is not blocked internally.
Test system for a vacuum leak in area serviced.
Vacuum Line (Hose), Mini-Tube Damage Repair in a 92
Source: by JohnMcD348 at