Mini-Tube Vacuum Hoses

Mini-tube vacuum hoses are provided in the vacuum harness assemblies. They provide greater flexibility with less tendency to collapse and are less susceptible to pinching. Service of damaged hoses are easily made using a short piece of standard 3mm (1/8 inch) ID vacuum hose and inserting the cut ends of the mini-tube into the ends of the standard 3mm (1/8 inch) ID vacuum hose. The following illustrates an in-line and tee connector installation.

Mini-Tube Vacuum Hose Service

Service Procedure

1. Measure length of damaged area of the mini-tube vacuum hose.

2. Cut a piece of standard 3mm (1/8 inch) ID vacuum hose approximately 25mm (1 inch) longer than damaged area of the mini-tube vacuum hose.

3. Cut off the mini-tube vacuum hose on each side of damaged area.

4. Dip the mini-tube hose ends in Tetra Hydro Furan (THF) or Methyl Ethyl Ketone (MEK). This solvent will seal the mini-tube in the vacuum hose.

5. Insert ends of the mini-tube vacuum hose approximately 9mm (3/8 inch) into ends of standard 3mm (1/8 inch) service vacuum hose section.

6. Shake service joint after assembly to ensure solvent is dispersed and vacuum line is not plugged.

7. Test system for a vacuum leak in service area.