do you think it would be wise to replace the belt at the same time, mine has a frayed edge now where it came off the pulley and jammed against the side of the engine!!
I didn't replace mine when my crankshaft pulley failed...... BUT.... there was no damage at all to the belt and it had only done 14,000 miles since being replaced.
Renault technical notes advocate replacing the belt if, for whatever reason, it has been removed.
Having asked how to lock the flywheel properly it appears that you like to do a job right and that being the case I would advocate replacing a frayed belt at the same time.... especially if you have every intention of keeping and enjoying your Espace for some time...... and it seems like you are a bit of a fan as you have 2 of them!!!
For info, I paid £17.20 + VAT last year for a genuine Renault accessories belt
Martin