i plan to fit a new alternator in my astra mk3 1.8 gsi, however i can't find out how to take the tension out of the fan belt so it can be removed. i know there must be an adjustable tensioner somewhere on one of the components that the belt runs around but i just can find it!
take hold of the belt and pull it up then look at the pullys to see whitch one of them move it should be the one under the the power steering pump towards the front
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