1. Technical Bulletin Bulletin No PRO 07 03 Effective Date 9 8 77 Cancels PRO 07 03 dated 4 5 77 Page 1 of 1 Subject 7 16 Hose amp Hose Assemblies Replacement of 2 Hose Many OE vehicle manufacturers are using 12 I D hose on 121 vehicles and a question has been raised concerning replacement of 2 1 D hose with HVSG 7 16 I D hose This is to advise that HVSG Engineering has approved the replacement of 1 2 I D hose with 7 16 I D hose and therefore substitution may be made without exception