Ford Mondeo MkIII 2001-2006 chain. MkIV 2007-2015 belt. Answered by Honest John on 9 January 2015. Tags: cam belt or chain maintenance and servicing. 72K views 3 years ago. How to Replace the timing belt and water pump (inc tensioner and idler) on a 2009 Ford Mondeo 2.0 TDCI Diesel engine. Engine Code QXBA more. more. Shop the IUHRpJ.