The idler and tensioner have no lips both are smooth

The tensioner and idler have no lips both smooth

The original belt was in good condition. I used a kit that has the lip on the bottom pulley crankshaft

Hello l bought a 300tdi engine for a conversion before I put the engine in I decided to change the timing belt. I opened up the cover everything was fine . I bought a kit with all the tensioner belts and seals and fitted everything after 30 though miles injector pump started leaking I...