VW AUDI Cam Alignment - Timing Lock Plate and Set Screws Special tools for setting camshaft in the correct position for diesel engine. APPLICABLEVW: POLO, CLASSIC, GOLF, BORA, BEETLE,CADDY(97-04) SUIT ENGINE: 1.9 SDI/TDI VW Tool Number T10098 New Style TDI Cam Lock Bar tool for Locking the Camshaft Same as T10098a Applicable to 1999-2003 VW TDI Used for locking the camshaft on 1999-2003 VW TDI without removing the valve cover. Tool is often used in Conjunction with TDC tool 3359 (not included with this sale) T10098a Replaces the old style 3418.