Hi I have replaced the tank bladder its not an easy job, you need to remove all the turret basket or take the turret off. I chose the removal all the bits from the basket. You also need to remove the back lower basket and all the MBC stuff so you can get to the filler and breather. You will also need a tame small person to get to reinstall all the bladder retaining bolts. It's NOT an easy job!!!
Rob Dove Rapid Military Vehicle Restoration may able to help with a good bladder and front plate
All the best
