General Motors' modern Ecotec engine family first saw the light ... camshaft phasers — an integral part of any variable valve timing system — and beefing up the construction.

Most versions of the Santa Fe diesel had a timing chain, but there was a 2.2-litre CRDi diesel, codenamed aD4EB-V, made between 2006 and 2010 that had a belt. Check the code number of your engine to ...