Before you make a real job of this, I must point out that there is no reason to deal with the spring. The shock will hold everything in place. If you doubt it just use the spring compressor as a back up.

You will have to fight the spring moving off to the side when fully held by the tool. This makes getting it started properly into its seat a bit of a problem. Properly used persuation makes short work of this but may take some effort to learn. Leave the spring in the seat take up some pressure if you like, but let it drop to the shock and support the car on the frame points.

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician