Adjustable torsional door rod

A screen door for a cooling package of a vehicle that includes a secondary door, the screen door comprising:

• a proximal frame post on a proximal end of the screen door, the proximal frame post hingedly coupled to the cooling package;
• a distal frame post on a distal end of the screen door, the secondary door hingedly coupled to the distal frame post;
• a screen surface that extends between the proximal and distal frame posts;
• a torsion bar with a proximal end fixedly attached to the proximal frame post and a distal end moveable relative to the distal frame post;
• a stationary support fixedly attached to the distal frame post;
• a torsion bracket fixedly attached to the distal end of the torsion bar, and the torsion bracket moveable relative to the stationary support;
• a fastener that maintains the torsion bracket in a desired position relative to the stationary support;
• wherein movement of the torsion bracket with respect to the stationary support applies an adjustable torsion on the torsion bar, and the fastener maintains the adjustable torsion on the torsion bar.