Hi I'm not a 100% sure but i think it's there to make bleeding easer, otherwise the pedal sticks down and you have to try and hook your toes under it to lift it back up! (Bled a clutch yesterday and it stuck down and it was a pain)
Dave
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2002 S8 silver with black half leather
2000 d2 S8 in Racing green pearl, RS4 manual gearbox,
2003 A4 avant TDi
1997 Volvo V40 2.0T
1992 Mazda eunos v spec
1976 Reliant Kitten
1965 Porsche 911
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