Home >> Audi >> 2016 >> A8 Quattro L TDI >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition/Glow Plug System [CDTA,CDTB,CLAB,CMHA,CPNA,CTBA,CTBB,CDTC,CPNB,CTBD] >> 28 Ignition/Glow Plug System >> Glow Plug System >> Glow Plug, Removing And Installing >> Tightening Specifications