Yesterday I tried adjusting the handbrake on my '96 Discovery with no luck, tried searching for answers to no avail.
First I jacked up the rear and adjusted the nut on the back of the drum until the tailshaft wouldn't turn. Was just rocking the tailshaft by hand.
Then pulled the C-clip off in the console below the handrake and turned the black plastic nut counter-clockwise. (working through the electric window switch hole)
Turning the nut doesn't appear to do much, I still can't turn the tailshaft.
Does it need many turns to back off?
Also there is a shaft coming through the nut that the C-clip, clips to. This shaft turns at the same time as the nut.
Should it? if not do I just hold it with a spanner?
If I am reading your post correctly then the hand brake cable runs through the shaft that you are referring to.
The shaft sits flush against the underside of the floor. By turning the nut counter clock wise, the nut comes further up the shaft or to look at it another way pushes the shaft further away from the floor. The distance from the floor to the hand brake lever where the cable attaches is increased and you are tightening the hand brake cable.
If you turn the nut clock wise you are pulling the shaft closer to the floor. With the shaft closer to the floor you are shortening the distance from the shaft to where the cable attaches to the hand brake lever and have loosened the hand brake lever.
So firstly yes you need to hold the shaft still when turning the nut.
There are two places where you can adjust your handbrake. One is in the drum as you have done and the second is via the cable at the hand brake lever which you are now trying to do. If the drum is too tight releasing the cable may not be enough to allow it to rotate freely.
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