im having a problem with the presenter on my 1987 560sec.
it seems after replacing the worn plastic gear,the arm just keeps on going in and out ,over and over again.if i click in the belt,the arm stops moving in and out,but remains in the extended position.
any insite would be appreciated

Adam.

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1992 500E silver
1990 300ce AMG
1993 500e smoke silver-sold
1992 500e sold pearl black-sold
1966 mustang converible 289
1969 camaro x11
1991 ZR-1
1972 corvette roadster
2000 dodge cummins 4x4 sold
1994 e320 sold
1987 560sec Brabus
1987 300E (my first benz)