[QUOTE=POPS 83 944;7285515]I thought (I read a post that the springs that hold it to the windshield get weak) and causes what you are experiencing. Found it
One of the reason they went with double springs on the 968s wiper arm,see pic.
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83-944 show room -sold___New ride 93-968 with SC steering wheel-ROW signal ligths- Susp M030 mods lowered,Porsche VA springs- Adjustable struts - Bilstein inserts - Bilstein sport rear -LSD -riding on Cup 1 wheels 17x8 frt 17x9.5 rear road contact Falken 452/ 225-45 ZR Front 255-40 ZR Rear -- Motor Mods /chip /K&N / mod air boxe just love the handling & power