2.2L 4 cylinder 2200 serpentine belt picture and diagram of How to Replace

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Question: How do put back on the alternator belt on 03 Oldsmobile Alero?

Are you looking for the serpentine belt diagram?

I know what it looks like I need to know how to loosen the tension.

What engine size do you have in your Oldsmobile?

2.2 liter l4 ecotec

You will need to pull up on the serpentine belt tensioner. It is located just above the large crank
pulley. In the center of the pulley is either a 15 or 13 MM Bolt head. It is very hard to access from
under the hood. The best way is to remove the inner fender splash shield. Or purchase a
serpentine belt removal tool from a parts store. It is a very long and thin bar with a socket end to
get onto the tensioner.