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The Panda 4x4 has rear discs and I will want to replace the pads soon. Not sure which piston retraction tool will fit this car and wonder if anyone has any knowledge of this.
Edited by Dynamic Dave on 18/01/2008 at 12:30
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I've managed to push the pistons back using the butt of a hammer every single time I've changed pads. Halfords do sell the proper tool though.
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Alternatively use a G-clamp.
You can avoid the risk of piston damage by placing a piece of wood between it and the clamp.
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Wind back tool £55.00 for a kit on e bay or there is a cube that you use a ratchet with never used one? i have the kit fits left hand/right hand calipers.
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I'm getting the impression that maybe, in general, the piston on one side of the car winds back in the opposite thread direction to that on the other side, therefore a kit with left and right handed threads is pretty much essential. Is this correct?
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Some car's are left others are right not sure with yours not done a fiat for years.
But the kit is great i wouldnt be without it ideal if you like repairing cars for a few quid.
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The Mondeo is wind in, one side clockwise and the other anti clockwise, I know the estate is the opposite to the 4/5dr in that regard, though both require simply a large allen key, you just need to be sure which way to turn it.
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Pushing or forcing the piston is not an option. When I had the Fiat Coupe I bought a wind -back tool in Halfords for less than £20. This comes with adaptors to fit different cars. It`s well worth the money as it makes the job a doddle and eleminates the risk of damage to your brakes and possibly your fingers. On the Fiat wind in the piston in a clockwise direction on both wheels.
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This is all new to me, I've only ever had cars with rear drums, until now!
I know my present Almera is liable to rear caliper seizure, and I'm thinking of giving them a 'work-out' as the weather warms up (It'll also give me the opportunity to make sure the ally wheels aren't stuck to the hubs).
I'm quite used to pushing the pistons in and out (particularly on old Fiats) on front discs, to keep them at optimum efficiency. But what can I do on rear rear discs?
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Rear disc brake problems arise because the rear brake does a lot less work than the front. Hence the pistons move a lot less and can seize, the discs receive much less abrasion and irreversible corrosion builds up. My Panda 4x4 won't have these problems because it's a relatively heavy car used for a lot of urban motoring so that the rear brakes are in use a lot. This is borne out by the fact that the rear pads have worn out nearly as quickly as the front.
Trying to apply heavy braking in a safe environment on a regular basis to prevent problems is the best approach. If you do want to remove the callipers and move the pistons then you will need a tool to wind them in. Don't forget, if you have ABS you should open the bleed nipple when retracting the piston as forcing brake fluid back through the system can damage it. Some also advise clamping the hose when doing this, though I don't think this is necessary and would rather avoid putting a clamp on these hoses unless essential.
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