Cabriolet preventive maintenance — auxiliary fan, PCCB rotors, soft top

Recurring 997 Cabriolet PM items: (1) auxiliary/rear-deck cooling fan bearings degrade with age, producing audible noise — Porsche replaces the entire fan unit; (2) PCCB brake rotors have stamped minimum thicknesses on the side (front: 33.7mm min, rear: 27.7mm min) — sellers should measure and disclose remaining life; (3) soft top hydraulics may need rebuild and the vinyl rear window resealing; (4) painted hardtop (rare Cabriolet option, ~75 lbs) installs via allen-wrench attachments at rear and slot tongues at the front header rail. Two-person install. …