System and Method for Retaining Aftertreatment Bricks

A method of servicing an aftertreatment module, the aftertreatment module including at least one sleeve extending between a first end and a second end along a sleeve axis, the sleeve including axially aligned opening at the first end;

• the method comprising:
• inserting a first aftertreatment brick axially into the opening of the sleeve, the first aftertreatment brick including a substrate matrix and a mantle disposed around the substrate matrix;
• and
• releasably engaging a retention ring to the first end of the sleeve so that the retention ring is in abutting contact with the mantle;
• and
• retrieving the first aftertreatment brick from the sleeve by disengaging the retention ring from the sleeve and removing the first aftertreatment brick axially through the opening of the sleeve.

A method of retaining an aftertreatment brick in an aftertreatment module, the method comprising:

• inserting an aftertreatment brick through an opening in a sleeve disposed in an aftertreatment module;
• engaging a retention ring to the sleeve so that at least a portion of the retention ring abuts a periphery of the aftertreatment brick;
• and
• releasably fastening the retention ring to the aftertreatment module.