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| How do I remove the rear wheel brake cylinder?; How do I remove the rear wheel brake cylinder? | |
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| Tweet Topic Started: Sep 20 2015, 12:04 AM (1,189 Views) | |
| 1992 Swift - BC Guy | Sep 20 2015, 12:04 AM Post #1 |
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Hi, I believe I have a leaky driver's rear wheel cylinder. I just bought a 1992 Suzuki Swift (2 door hatchback) and it was low on brake fluid. I pulled the rear wheel off to have a look, and it looked like the rear drum was a little wet (with brake fluid?) I should have taken a picture. Perhaps I will pull it off again tomorrow and take a picture and then display it here in this thread? According to this picture (from a 95 metro from another thread)... ![]() it almost looks like the drum would slide over the axle nut? Do I have to remove the (22mm?) axle nut in order to change the wheel cylinder? Then what exactly has to be undone to remove the cylinder? so that I can replace it. Edit: I am assuming that once the drum is removed my brake components will look something like the image (from the 95 metro thread) below? ![]() Thanks. Edited by 1992 Swift - BC Guy, Sep 20 2015, 12:36 AM.
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| JellyBeanDriver | Sep 20 2015, 12:38 AM Post #2 |
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Look on the other side of the wheel cylinder for your answer. (the back side of that plate). 10mm bolt from the backside. Yes, that 22mm nut has to come off, then the whole drum comes off. Yes your guts look like the ones you posted. When you install the new wheel cylinder, leave the bleeder valve cracked open for a long time until brake fluid dribbles out. You'll pretty much be 'gravity bled' at that point. Bleed some more for good measure but you'll find little to no air to have to deal with. Edited by JellyBeanDriver, Sep 20 2015, 12:41 AM.
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| ptcapboy | Sep 20 2015, 06:31 AM Post #3 |
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I managed to take mine out without removing the brake shoes-the only problem I ran into is that the shoes spread out without me noticing and I couldn't get my drum back on-I used a screwdriver to release the parking brake spreader and they went on fine-that was the first time I had attempted to rebuild a wheel cylinder and I must say it went great-no leaks |
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| 1992 Swift - BC Guy | Sep 20 2015, 10:47 PM Post #4 |
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Could you explain (in a little more detail) HOW you got your drum to go back on? As I have never messed with drum brakes before. I am a little scared that if I replace the wheel cylinder, that I won't be able to get the drum back on because the brakes will have spread further apart. Here is a video (of another make and model of car) which makes replacing the wheel cylinder seem quite straight forward. But do you really need a special 10mm FLARE wrench to get the brake line removed? Fixing Leaking Brake Wheel Cylinders https://www.youtube.com/watch?v=wZAMpsgdEO0 Edited by 1992 Swift - BC Guy, Sep 20 2015, 10:56 PM.
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| Memphis metro | Sep 21 2015, 05:44 AM Post #5 |
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Use the right tools for the job or risk damaging something, so use the flare wrench. You would probably be better served if you found a friend who knows how to do a brake job if you have never done one. Brake systems are just too crucial to be learning on and hoping I get it right. At the very least get a source of technical information in book form and follow the instructions. |
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| Metromightymouse | Sep 21 2015, 06:14 AM Post #6 |
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Powdercoat Wizard
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Yes, use a flare wrench. The fittings are fairly soft and an open end wrench tends to slip off and trash the hex portion of it. Makes it more difficult to get it back on without trashing it more. Next you will resort to pliers when the wrench no longer fits and you'll squeeze too hard and deform the fitting and then you have leaks. Avoid the headache and use a flare wrench. Harbor Freight has sets for a good price that will work fine. |
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| ptcapboy | Sep 21 2015, 06:44 AM Post #7 |
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it's been awhile since I did the job but basically I just pushed on the gear with a screwdriver where the 2 sides of the spreader bar go together-released very easilly-I had tried to force the drum on earlier and actually took a few chunks off the brake shoes-(since the shoes were quite new I just kept on using them ha ha) the springs on the top and bottom should keep the shoes together when you remove the drum-just to be on the safe side observe the position of the spreader bar when you first remove the drum and then you should be able to see any changes Edited by ptcapboy, Sep 21 2015, 06:46 AM.
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| Metromightymouse | Sep 21 2015, 07:02 AM Post #8 |
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Powdercoat Wizard
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Take drum off, take several digital pictures, up close and farther back, make repairs, use pics to confirm correct reassembly. Of course that assumes that no one has screwed it up already and nothing else is broken. |
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| Metbob | Sep 21 2015, 09:32 AM Post #9 |
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You also need to be on the search for a new axle nut. They can be reused if you were taking both sides off, where you could swap sides with them. Just my 2cents. Hope all goes well.
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| 1992 Swift - BC Guy | Sep 21 2015, 11:30 PM Post #10 |
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Why can't you just reuse the 22mm axle nut? I believe the axle nut is a staked nut? Can't you just restake the nut? (assuming the nut is still in pretty good shape).
Edited by 1992 Swift - BC Guy, Sep 21 2015, 11:31 PM.
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| Metromightymouse | Sep 22 2015, 06:00 AM Post #11 |
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Powdercoat Wizard
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Many of us do. It's supposed to be replaced because after it was bent in and then you bent it out to take it off the metal is much weaker and provides less protection from the nut coming off and you doing your best impression of Darrell Waltrip singing about loose wheels. It's a safety issue. it's your car. It's your life. It's your choice. |
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