That's just what I plan to do, Bicycle cable... Save myself $50 - $75..
I just changed mine fluid... I was not hard at all..

I had the TC plug and no magnet. I brought the magnet to put inside, they gave me two doughnut shaped magnets, I put one in.. I haven't refilled it yet..

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Peter L. House
1998 Sport E430
Azure Blue
110,000k Miles

1987 Oldsmobile Cutlass Salon
V8 Bucket Seats
Factory Moon Roof