Evan - to me it is not much to it. The hardest part (if you don't have the flywheel holding tool) is breaking the crank pulley bolt loose. Once that is done everything else is pretty straight forward. The front cover comes off and then you can access all of the guides. At your mileage you will probably find that the tensioner is worn out and will need to be replaced. If you are on the original water pump I would suggest replacing it while everything is uncovered. Do a search on this site. There are quite a few post on the 103 engine cylinder head job with some good pics.

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Jim