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30th January 2018, 06:24 | #1 |
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Front brake pad and disc change
I am going to do a full front end brake discs and pad change I believe I need to compress the calipers to do so and someone has told me that on some cars you have to have a special tool in order to do so? Does this apply to the 75?
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30th January 2018, 06:41 | #2 | |
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Quote:
No special tool required, a G Clamp and a small piece of wood on piston to compress Stu |
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30th January 2018, 07:45 | #3 |
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One tip for you - make sure the bleed nipples are free by soaking beforehand in penetrating oil. When it comes to compress the piston let the excess pressure out the bleed nipple rather than pushing it back through the hydraulic system.
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30th January 2018, 07:58 | #4 |
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And you'll need a 7mm allen key or socket to remove slider pins
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30th January 2018, 10:29 | #5 |
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You might want to think about getting some new machine screws for the brake discs , they can be very soft and the heads can chew up easily -Item no 4 on here https://rimmerbros.com/Item--i-GRID001569
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30th January 2018, 10:40 | #6 |
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Interesting, I've never opened the bleed nipple when winding the piston back. Is there an advantage to this, other than less effort needed to push the piston back? Obviously assuming the reservoir won't be overfilled with the extra fluid backing into it
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30th January 2018, 11:41 | #7 | |
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Quote:
As you say prevents overflowing the master - also the fluid in the caliper is probably the worst fluid in the whole system due to it getting hotter and also more likely to take in contamination through the piston seals (if any at all is getting in). It's also much, much easier to compress the piston with the nipple open which helps keep it straight. Of course don't forget, check the piston is clean before compressing and bleed the brakes when it's all back together as well.
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30th January 2018, 13:04 | #8 |
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I think the reason most don't open the bleed is they are often very hard to open and can and do break off, then it's a drill and tap job or exchange caliper
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30th January 2018, 23:27 | #9 | |
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I've used the same method as Fusilier for over thirty years without any problem, including all of my 75's Brian |
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31st January 2018, 09:34 | #10 | |
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Quote:
Some folks talk of MC seals being flipped if you force old fluid back up into the cylinder, but I only ever heard of this happening on Vauxhalls, not Rovers. Pete |
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