At Hanover Shell and Auto Repair we are always willing to do a thorough assessment of your vehicle. In fact, we love the chance to provide customers with estimates because it allows us to show them how much money we can save them! For an honest, up-front auto repair estimate, trust Hanover Shell and Auto Repair. At Hanover Shell and Auto Repair we are always willing to do a thorough assessment of your vehicle. In fact, we love the chance to provide customers with estimates because it allows us to show them how much money we can save them! For an honest, up-front auto repair estimate, trust Hanover Shell and Auto Repair.