Has anyone got any suggestions how I can get my brake discs off. I have tried whacking them with a hammer but they are not moving. It has been suggested to use a three legged gear puller. Do you think this will work ???
The vehicle in question is a MGF. (which I've added to the subject header!}
|
I don't know this specific car, but in general things that are rusted tight are best attacked with a combination of considerable sustained force, and then a heavy whack.
Failing that, an angle grinder.
|
oo, an angle grinder on a brake disc ccould get exciting. I'd go with the puller, a tap from a hammer, and eye protection.
|
I'm not sure about the design of MGF brake discs, but the following might be worth thinking about.
Drill an appropriate diameter hole through the mounting part of the disc, equidistant between two wheel bolt studs. Tap a thread into the hole (say M8). Screw in an M8 bolt until the leading end touches the face of the hub, then gradually tighten the bolt until the disc becomes free. Obviously the tapped hole needs to go right the disc, but not significantly into the hub. If necessary, drill and tap two holes diametrically opposite and apply a torque evenly to the two bolts. I wouldn't recommend using the disc again, but if you can get it off it at least it will be a start. I haven't got the tapping drill size for a standard M8 bolt (M8x1.25mm pitch) readily to hand, but if you wish to go down this route I'm sure either I or someone else can dig it out for you.
Just a suggestion. I can't give a money back guarantee though!
--
L\'escargot by name, but not by nature.
|
Correction:-
<< Obviously the tapped holeneeds to go right through the disc, but not significantly into the hub.
Sorry about missing out the word "through". Obviously a case of more haste less speed!
--
L\'escargot by name, but not by nature.
|
I don't suppose, by any chance, that there's a countersunk screw (now obscured by years of rust and/or dirt) holding the disc onto the hub? I vaguely recall that this was the practice in days of yore.
--
L\'escargot by name, but not by nature.
|
And when you have found the screw, it is rusted tight with a damaged slot! Then try an impact driver - the same principle of force plus impact.
|
|
|
Two ways, first is safety goggles on and hit it hard enough to break it, some thinner ones do but others don't and it can be a bit dangerous!.
But best way is to hacksaw from the edge to the centre of the hub, without cutting into the hub! And then put a big cold chisel against the cut and whack it with a big hammer. They then split into two and drop straight off. Never had an issue with any this way.
Jim
|
They always seem to be difficult to get off on the 'F' My chosen method is; once you have removed the caliper and carrier replace the wheelnuts two or three turns (to stop the disc flying off and injuring you) don a pair of goggles and with a 2lb lump hammer firmly hit the disc between the studs a few times all round then try and knock the disc off the hub. Squirting a bit of diesel around the hub and studs can help. Failing that, the 'Jim' method NEVER fails!
Andrew
--
Simplicate and add lightness!!
|
|
|