Right, my cousins Astra is making a rattling sound from the engine bay. We went to our local mechanic and he said it sounds like the timing belt tensioners.
My cuz changed the timing belt, water pump and the aux belt only ~12months ago! He didn't get the tensioners with his ContiTech belt (think he was doing it on the cheap).
Aaanyways, i was wondering if it's possible/advisable to replace JUST the bits he missed out (tensioner pulley/idler), rather than telling him he's going to have to fork out for ANOTHER timing belt job!
Any help will be much appreciated