Haynes v Rave Brake Piston

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JonFre

Active Member
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557
On fitting new disc brake pads its necessary to push the piston back. Rave says release the bleed screw, etc, but haynes says simply push it back.
Which is best?
 
pushed mine back using quick clamps, no problems, just go nice and slow.

Also, once you've done one side, operate the brake pedal a couple of times before doing the next, which should minimise any chances of the brake fluid overflowing from the reservoir when you push the pistons back.
 
pushed mine back using quick clamps, no problems, just go nice and slow.

Also, once you've done one side, operate the brake pedal a couple of times before doing the next, which should minimise any chances of the brake fluid overflowing from the reservoir when you push the pistons back.

Many thanks for the extremely quick replies!
 
was just sitting on site waiting for a panel to finish uploading to my laptop, idly surfing the net

Just fitted new Mintex discs and pads ( £70 delivered from Paddock) but notice that on each caliper the lower guide pins are extremely tight, the top ones slide easily. I can buy a set of guide pins but wonder if this is necessary, can they can be taken out and cleaned? Any ideas?

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yes just pull them out and apply copper grease ,tight ones will need some penertrating oil and some working

Took your time in replying James, must have been all of 30 seconds!!
Many thanks. Hopefully will save the £20 a kit of pins cost.
 
I hear pushing the pistons back too fast can cause internal problems for some ABS systems, not sure if this is true for Freelanders but it is for Shoguns, when i did the brakes i just went slowly and haven't had any problems.
 
yes just pull them out and apply copper grease ,tight ones will need some penertrating oil and some working

Before removing the lower sliders I imagined they should slide as easily as the top ones. However the lower ones have a plastic sleeve over the pin and although this is clean and copper greased it is much stiffer to move than the top slider. I am hopeing that this is normal as the brakes appear to be working ok and the discs are not overheating. Any comments would be welcomed, thank you.
 
Many years ago I was told to release the bleed nipple when pushing the pistons back as it saved the master cylinder seals, as a young bod I accepted this and for a couple of years got brake fluid all over various things for a wide rangge of reasons....

Then I was advised to just push them back nice and slow as the seals were past the fluid ports anyway, I've done that ever since and not yet had a master cylinder failure after a pad change, this includes my motorbikes which get through LOTS more pads than my cars do.
 
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