Get a service manual. Removal of the timing chain cover and head is needed first.
I am prettysure you can change the motor as long as the body structure is the same and you have skill in this sort of thing.
yes
you need to take off the inner and outer door panels. the motor is secured by rivets, you need to drill them out
5w30
The Saturn sl2 does not have a timing belt, it has a timing chain. And under most conditions it does not need replacing.
top with the trans
1993 Saturn sl2
The cost to replace the motor mounts on a 2000 Saturn SL2 ranges from $500 to $1,000. The high costs are due to the labor intensive process of disconnecting and raising the engine assembly.
Are you asking how to??
With tools
5W30
The lower motor mount is located on the driver side attached to the transmission.