Do a search and find the threads on 103 water pumps. They are difficult but can be done by the competent backyard mechanic.
Let me give you some advice on someone that has replaced a 103 water pump. Have the new one there to look at the position of the bolts that you are taking out,(because thats the only way you know where they are)You are working blind and can't feel the bolts with your hands either. The bolts can only be reached with different combinations of sockets swivel heads and wobble extensions. Take tour time on re-installation because you don't want to do this job over.
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