How does one disassemble the OVP? Do you pull the insides down or up through the case? Do you have to pop off the red piece off the top first?

thanks,

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sjsfiji

'87 W124 260E (DD)
98K orig. mi. @7/15
CLK 7-Spoke Forged Wheels
Neuspeed springs/Bilstein Sport
4/3 bump (F/R)

'97 993 Carrera
106K orig. mi.
Always driven like it's stolen