Hi guys I have a 3/2002 C5 2.0 HDI hatch I have a problem with the left heater flap broken end where the motor goes in I have purchased the flap repair kit 6480E3 the problem is mine has smaller black flat rectangle flaps not the blue and cream ones in the kit can I buy these black flat type of flaps or do I need a new heater box ?? I cant seem to find these flaps on the net any where