Plastic parts

[lbmonahan9672]

Well don't know if anyone else has had this problem, but 2018 320mks ,the plastic tray in storage area cracked around every screw ordered new tray and installed couple weeks ago ,today while going around and lubrication seals and tracks noticed cracking around screw on right side wheel flare ,has anyone else had this problem haven't contacted grand design yet ,hoping it doesn't become a problem,,,thanks for looking

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[geotex1]

Yep, common industry-wide. The resins used in the molding are not the highest of quality and lack robust anti-aging additive packages, and they are NEVER installed as needed to allow expansion and contraction!