Though my ‘new to me’ model year 2009 DB9 had only travelled 46,000km (~30k miles) from new, it was noted on the dealer PPI that there was “minor bearing noise” from one of the engines serpentine belt idler pulleys.  While most cars have just one idler pulley, the DB9 has three (3) plus the tensioner pulley.  I figured it was a good opportunity to replace all four as well as the serpentine belt.   Let me show you how I tackled this task. Continue reading “Changing the Serpentine Belt and Idler Pulley’s on an Aston Martin DB9” →