Introduction
Operation carried out on a Mégane 3 1.9 dCi 130ch
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Place a screwdriver behind the clip and remove it.
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Remove the 2 caps.
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Using a 7mm Allen key, remove the 2 screws.
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Insert a flathead screwdriver between the disc and the pad and lever it to push the piston back enough to remove the caliper.
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Remove the hose from the bracket so that it does not twist when you hang the caliper.
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Hang the stirrup from the suspension spring using a rope or a metal S
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Attach the stirrup, it must not rest on its hose.
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Remove the pad that remained on the support as well as the one that is in the piston.
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Using a T40 Torx bit, remove the 2 screws from the disc.
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Using an 18mm socket remove the 2 screws from the caliper bracket.
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Using a wire brush, clean all contact surfaces.
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Do not damage the piston bellows with the wire brush.
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Brake fluid may overflow when you push the piston back.
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Check the brake fluid level.
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Push the piston back.
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Spray the paste on all contact surfaces that you have previously cleaned.
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Do not spray on friction surfaces (discs and inside of pads).
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Before installing the new disc, apply brake cleaner to both sides to remove the paraffin which serves to protect the metal from rust.
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Reassembly is carried out in reverse order.
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Once reassembly is complete, press the brake pedal several times to put the piston back in place.
Check the brake fluid level in the reservoir.
To break in new pads, do not brake hard during the first 200 km.
The effectiveness of the first braking actions may be reduced.
Once reassembly is complete, press the brake pedal several times to put the piston back in place.
Check the brake fluid level in the reservoir.
To break in new pads, do not brake hard during the first 200 km.
The effectiveness of the first braking actions may be reduced.
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9 Comments
Very good for a beginner, thanks again. La Fouine
Very clear and well explained with photos as illustrations!
For the first time, it took me a little longer!
Thanks for this help, it's been a long time since I last got my hands dirty, but today, given the price of labor, I have to do the maintenance myself, thanks again and see you soon for the rear brakes
According to the RT, the tightening torques are:
- the 2 column screws (BTR 7 behind the caps): 28 Nm
- the two 18 bolts of the caliper support: 105 Nm
- the two brake disc screws: 14 Nm