It's 25 mm wide, as opposed to PD which is 30 mm.Īnd finally CRs have almost twice as long TB replacement intervals as PD had (120k km for early PDs and 210k km for some CRs). The belt is prone to stretching, more or less, too. Over time/miles they get worn (actually by 140k km all idlers except the large one have play and bearing noise) so free play is introduced. Valve timing in these TDIs (be it either PD or CR) is VERY important (as well as CR pump timing, opposed to what most people think/say).ĬR belt is very long (160 teeth) as opposed to PD belt (120 teeth).īesides in the TB path there are much more rollers and idlers (1 tensioner + 3 idlers on CR vs 1 tensioner + 1 idler on PD). PD injectors are also electronically controlled.
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