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Ford
Ford does not have a sectioning procedure for the A-pillar reinforcement.
Per the Ford Workshop Manual: “NOTE: Due to the metal composition of the A-pillar and front floor panel reinforcement, no sectioning is permitted in these areas. Components must be replaced at the factory seams.”
Check out the I-CAR Collision Repair News article: OEM Linking Pin: Ford/Lincoln Passenger Compartment Reinforcement Sectioning