Hi, I am trying to fix my (learner driver) son's 2005 1.3 VVTI Petrol 5sp manual Mk1 Yaris "Colour edition" (needing a new clutch) and wanted to fit a replacement gearbox at the same time. The reg is 05 and the V5 shows model as SCP12R-CHMRKW with Engine number begins with 2SZD5xxxx . The car has 91K on the clock. The current gearbox has issues in that the changes in/out of 3rd gear are very "notchy" and it sometimes jumps out of reverse... I have had quotes on refurbishing the gearbox whic