How To Plug Brake Line When Changing Caliper
| royhandy | 2015-May-15 four:12 pm How to plug restriction line when irresolute caliper?I am replacing a caliper tomorrow and was wondering if whatever of you gurus has a tip for the best way to plug the brake line so that I don't lose ALL the fluid when I pull the caliper. I've never done a caliper before (only my second time doing pads and rotors...but those are freaking piece of cake) so my dad is going to come out and lend a hand. I had to have the brake lines replaced last year and the fluid has less than 2K miles. Whatever advice is appreciated! |
| · actions · 2015-May-15 4:12 pm · | |
| ARRIS SB6121 | 2015-May-15 4:18 pm I just find something that will fit. I do salvage those shipping plugs that come with calipers, main cyls etc. Often they fit other things. I also picked up a pack of vacuum plugs. Cheap to get an assortment. They often fit within things likewise. |
| · actions · 2015-May-15 four:18 pm · | |
| rfnut | 2015-May-15 4:24 pm I don't. Leave cap on master cylinder. gravity unremarkably works ok for bleeding, but your mileage could vary. This is what I ordinarily do. |
| · actions · 2015-May-15 4:24 pm · | |
| | 2015-May-15 11:48 pm I ordinarily but put a plastic sandwich pocketbook on it and secure it with some rubber bands. I always have a huge array of both although I normally use them for something else. Vacuum plugs are also a good idea as long as you have the correct size -- and y'all can actually use two sizes since one can fit either within, and the other outside. |
| · actions · 2015-May-fifteen xi:48 pm · | |
| | 2015-May-16 2:35 pm As already mentioned, vacuum plugs work great. As long as there is no force per unit area beingness practical, e.g. someone stepping on the brake pedal you will only have a small loss of fluid. Exist sure to remove main cylinder reservoir cover to relieve pressure earlier starting project. You lot will notwithstanding take to bleed them in sequence when done to be sure there is no air in the lines. I bleed brakes without help by using a clean soda bottle with a 3/8" articulate plastic tube that fits snugly over the bleeder valves. Here'due south how to make a DYI restriction bleeder.
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| · actions · 2015-May-16 two:35 pm · | |
| royhandy | 2015-May-16 5:09 pm Well, pads and caliper went on fine. Succeeded in getting an 8mm wrench to the right rear bleeder but it will not turn. There's soooooooooooooooooooooooo much room to piece of work, too! No more than calipers for me. |
| · actions · 2015-May-xvi 5:09 pm · | |
| | 2015-May-xvi 5:30 pm Soak it with WD-twoscore or some penetrant/lubricant several times. It may take several tries of soaking and wiggling with the wrench simply it should eventually come loose. |
| · actions · 2015-May-16 5:30 pm · | |
| | 2015-May-16 half dozen:28 pm Succeeded in getting an 8mm wrench to the right rear bleeder but it will non turn. That shouldn't happen with a new role.... are you turning it into the right direction? I commonly brand sure the bleeder spiral can be opened before assembly. |
| · actions · 2015-May-sixteen 6:28 pm · | |
| | 2015-May-sixteen half-dozen:41 pm I don't think he is talking well-nigh the new caliper? |
| · actions · 2015-May-sixteen six:41 pm · | |
| | 2015-May-16 7:23 pm If you have ABS y'all may need to turn on the ABS motor when bleeding the brakes. I know on some systems if yous get air in the motor information technology can be impossible to get it out, this means a new ABS motor. |
| · actions · 2015-May-16 seven:23 pm · | |
| | 2015-May-16 nine:44 pm Allow the fluid run out, who cares, great time to flush it, don't desire a mess... bottle, tape, "safe" plug etc. Don't try to not demand to bleed the brakes, its brakes really now. wd40 is a joke, Lead blaster or kroil or google i think its tranny fluid mixed with acetone or something good it don't take my word for it I aint sure. Only got to know the respond to this, so you lot become air in the ABS motor and you can't get it out. Does the new motor come with brake fluid already in information technology? lol, and if so... how practise yous claw it upwardly to not get air in it? |
| · actions · 2015-May-xvi 9:44 pm · | |
| ARRIS SB6121 | 2015-May-sixteen 9:47 pm Does the new motor come with brake fluid already in it? lol, and if and so... how practise y'all hook it up to not get air in it? On GM vehicles you demand an expensive scan tool to tell the ABS computer to open the valves and so you can bleed information technology. |
| · actions · 2015-May-xvi 9:47 pm · | |
| | 2015-May-16 10:06 pm I don't call back he is talking nigh the new caliper? Well, he wrote: "replacing a caliper tomorrow" -- and then I figured he'due south using a new office. If that's not the case, yes, haemorrhage screws tin and practise become stuck occasionally.... An affect wrench at a very low torque setting could piece of work, or some soaking with PB Equalizer, etc. |
| · actions · 2015-May-16 10:06 pm · | |
| your moderator at work hidden : Personal attacks | |
| | 2015-May-17 ane:10 am Re: How to plug brake line when changing caliper?I am aware, however, I know on some systems if you get air in the motor it can be incommunicable to get it out, this means a new ABS motor. says REPLACEMENT not use the scan tool. I'd like to know how it needs replacement... I did non even get into... the motor... or the pump... lol |
| · actions · 2015-May-17 1:ten am · | |
| royhandy | 2015-May-17 nine:46 am This vehicle does not take ABS. I replaced the LF caliper. The stuck bleeder is on the RR drum brake. I jacked the car this morning and pulled the tire and tried my can of Pb Blaster. No propellant. Next, I hit the bleeder iii times with WD40 at five minute intervals. No go. I had my brake lines replaced final year, IIRC, so it had to have been bled then. Not sure why this valve refuses to turn. I take a long history of turning bolts, just non as a mechanic. So, unless GM engineers are fifty-fifty worse than I thought (which is most unimaginable) and they put in a valve that rotates contrary to the rules we are all taught, I'm trying to turn the commodities in the right direction. Looks like I'll be getting a tow to a store. Equally far every bit brakes are concerned, I'g washed with anything more than involved than pads and rotors. |
| · actions · 2015-May-17 9:46 am · | |
| rody_44 | 2015-May-17 12:13 pm FWIW, y'all could actually bleed most of the air out at the brake line. Just bleed at the line as you lot would at the bleeder. Than but take to a garage and take them bleed information technology.. Merely a tad bit of heat can become a long mode on bleeder screws. |
| · deportment · 2015-May-17 12:13 pm · | |
| Trimox | 2015-May-17 ane:17 pm As rody suggested estrus will go a long way, merely brand sure you heat the area around the spiral not the screw itself. |
| · actions · 2015-May-17 ane:17 pm · | |
| | 2015-May-17 7:01 pm Yes heat the caliper that has prophylactic in information technology... Plan of bang-up is great (ya don't heat it) |
| · actions · 2015-May-17 seven:01 pm · | |
| ane edit | 2015-May-17 7:33 pm Aye estrus the caliper that has rubber in it... Plan of great is great (ya don't rut it) Now you're just existence a troll. There is no condom anywhere virtually the bleeder valves. In fact the just rubber institute on restriction calipers are the piston seals and grit boots for the mounting pins which are nowhere virtually the bleeder valve. In club to harm the parts mentioned he would take to basically gear up the entire caliper on fire for several minutes. Not to mention they are designed to withstand heat generated from loftier speed braking. |
| · deportment · 2015-May-17 7:33 pm · | |
| Trimox | 2015-May-17 8:36 pm Read the mail service information technology is not a bleeder screw on the caliper but the drum. The simply rubber there is in the wheel cylinder and to cook that would be massive (all though it tin can be done). Got to dearest trolls. Without them where would nosotros be? Oh that's right... |
| · actions · 2015-May-17 8:36 pm · | |
| fixrman  ·Verizon FiOSi edit | 2015-May-17 ix:47 pm That is merely flat out incorrect. Older integral systems are more difficult to drain and modern systems may needs a scan tool to help remove air, but it is not impossible to do the conventional way. I have never had to use a scan tool to drain brakes on anything other than when I replaced a defective modulator on vehicles. |
| · actions · 2015-May-17 9:47 pm · | |
| | 2015-May-17 9:l pm Since I already know that you lot got the job done, good job. If it were me though, I'd be getting all of the old brake fluid out of the system and supplant it with all new fluid. Braking is much better and the brake components will terminal much longer. |
| · actions · 2015-May-17 9:l pm · | |
| | 2015-May-17 10:29 pm Oh that'southward right he did say it was the rear pulsate. No way you could impairment a drum unless you applied enough oestrus to warp it which would almost require a boom furnace. |
| · actions · 2015-May-17 10:29 pm · | |
| fixrman ·Verizon FiOS | 2015-May-18 6:58 am It isn't the drum that is the problem, it is the wheel cylinder. And yes, 1 can damage a pulsate by heating it locally (uneven heating), but you aren't going to exercise that very well past heating the wheel cylinder. One can harm the wheel cylinder by heating information technology in order to remove a seized bleed screw. I of the reasons bleed screws seize is considering they don't get moved often plenty, are overtightened or someone is afraid to break it off so bleeds at the line. The bleed screws (and every bit the OP and many others have constitute, the lines) can deteriorate because of age and road treatment/water. They deteriorate externally and the hex becomes a size that doesn't represent to a fractional or metric size whatever more. One other style bleed screws go damaged is by poor service practices, such as using an open up end wrench or a 12-indicate box cease; the best manner to loosen drain screws is with a socket. It is as well a great practice to lubricate the threads with grease later removing the bleed screw. This is a neat way to get effective vacuum haemorrhage done since the end result is a solid column of fluid coming through instead of air bubbles that result from air existence fatigued past the threads. |
| · actions · 2015-May-18 half-dozen:58 am · | |
| | 2015-May-21 x:30 am I know I am a little tardily to the political party, but when I practice caliper work, I proceed the sometime trounce washers. Then, when I demand to pull a caliper and I know it's going to be off for a while, I volition go a bolt that fits the old washers and banjo fitting, and use that to seal the line. Actually, that play a joke on got me home afterward I had a caliper lock up on me while driving. As for fluid haemorrhage, I picked upwardly one of those vacuum pump bleeders from Harbor Freight, and used that on my VW to affluent all of the former fluid out of the system. Like fixrman said, I had to use grease effectually the threads to get a good seal. Information technology beats doing information technology the way I did information technology the last time I did restriction piece of work... The two man method... |
| · deportment · 2015-May-21 ten:30 am · | |
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