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Hello, i got my mtb bike about 6 months ago, but i still find my brakes not good, i got Tektro HD-M275, hydraulic disc, 180/160mm but my wheels never lock up when i brake front or back, so i can't even skid or anything any ideas why? Also my front brake i have a silver piston that is showing and rubs against the pad but doesn't retract back 😕 i already took it apart, pushing the piston back with a tire leaver, cleaned it all with brake cleaner, sanded the discs a little and cleaned, put back together pushed the leaver a few times and the piston sticking out again rubbing the pad 😕 even adjusted my rotors but nothing changed
@exploremarcus hi There! try to bleed your brake for sure there’s a mix air in your brake system, regarding your front brake in that case the return spring Of the brake pads is weak, so remove the brake pad together with return spring. To make strong and responsive, slightly pull outwards the spring! And don’t forget the push back the piston before installing the brake pads! I hope this will help you!
Brilliant instructions, thank you! I seem to have a leak coming from the brake lever piston (the one with the two o-rings). Is it possible to replace these? How do I know the spec / where can I source them? Thanks!
Hi there thanks appreciate it so much! I’m afraid that there’s no available in the market this time if you have the same model as shown. In that case, better to replace a new lever, those are not so expensive. Thanks 🙏 again!
@@mikebikeworx9428 Thanks very much for confirming what I suspected. It turned out that the rear brake also had seized pistons, and the OEM model of Tektro on my Ridgeback had secure Torx nuts so I was not able to open the enclosure as you so well demonstrate in your video. So replacement it is - thanks again for this confidence inspiring video and your fast reply. God speed!
Hey bro, very nice and understandable work. I have a problem with deaerating the hydraulic fluid and I can't find the actual product. Can you give me the link to your deaeration pump? Since I couldn't find it, I tried it with my own methods and failed.
Hey, amazing video, brilliant job too. I have 2015 Tektro Aurigas, Im having a huge problem with my left/rear system. It is impossible to bleed the system from injecting oil via the caliber? I have clean pistons too. Even if I try just the funnel method, no fluid goes in/no air bubbles come out. The brake lever is completely flat when pulled. point of a mm in movements of the break pads on the disc. Any ideas? Shall I try a full rebuild?? Or buy a system updated Auriga for the rear? Cheers!
Hi, im getting fluid (ATF3 fluid being used) coming out of the vent hole on a Tektro HD-T285 brake lever. I cant see any holes in the diaphragm. Has anyone experienced this before and if so what was the fix, orher than replacement of the whole lever. Could the flyid be to high viscosity, causing splash of air pressure in the reservoir during operation? Thoughts anyone?
Hi there, it’s sounds like you might be experiencing a seal issues within the brake lever, possible cause is the fluid being used, it should be use a mineral oil only that indicated in the top cup cover of your brake lever, additionally, ensuring that oil level is correct and that there are no bubbles in the system, it might be best to consult with the bike mechanic for this issue! I hope it will help? Thanks
@@mikebikeworx9428 Thanks for the reply and advice. This may be of interest to you and others. Upon initial investigation, it appears that the issue may be related to the viscosity difference between AFT3 and Tektro brake mineral oil. While AFT3 is not harmful to the seals or internals, its viscosity is nearly double that of Tektro brake mineral oil. This higher viscosity, combined with the small reservoir in the HD-T285 system when the diaphragm is fitted, creates surface tension that allows air to be sucked into the piston from the reservoir when the brake is applied. This air then enters the brake line during operation, necessitating fluid displacement from the line back into the reservoir and out of the breather hole, particularly around the edges of an aged diaphragm. Switching to a lower viscosity fluid may potentially resolve this issue. However, considering the high cost of $200 AUD per litre for Tektro mineral oils, I am exploring other more cost-effective options before committing to this solution.
@@mikebikeworx9428 I have already dismantled .I've tried this before. But it didn't move at all, and that's why I dismantled it, but I can't remove the pistons
Great video that goes in detail! I feel more confident doing a rebuild of my brakes now
Thanks!
If you have any question feel free to leave a comment below, and our team and the cycling community will be happy to assist you. Don't forget to like, share, and subscribe for more cycling content. Happy riding!"
Hello, i got my mtb bike about 6 months ago, but i still find my brakes not good, i got Tektro HD-M275, hydraulic disc, 180/160mm but my wheels never lock up when i brake front or back, so i can't even skid or anything any ideas why? Also my front brake i have a silver piston that is showing and rubs against the pad but doesn't retract back 😕 i already took it apart, pushing the piston back with a tire leaver, cleaned it all with brake cleaner, sanded the discs a little and cleaned, put back together pushed the leaver a few times and the piston sticking out again rubbing the pad 😕 even adjusted my rotors but nothing changed
@exploremarcus hi There! try to bleed your brake for sure there’s a mix air in your brake system, regarding your front brake in that case the return spring
Of the brake pads is weak, so remove the brake pad together with return spring. To make strong and responsive, slightly pull outwards the spring! And don’t forget the push back the piston before installing the brake pads! I hope this will help you!
What are the bolt sizes that hold the mineral oil and are they have a universal fit for any model?
Interesting question! Well, every manufacturer have different sizes
Brilliant instructions, thank you! I seem to have a leak coming from the brake lever piston (the one with the two o-rings). Is it possible to replace these? How do I know the spec / where can I source them? Thanks!
Hi there thanks appreciate it so much! I’m afraid that there’s no available in the market this time if you have the same model as shown. In that case, better to replace a new lever, those are not so expensive. Thanks 🙏 again!
@@mikebikeworx9428 Thanks very much for confirming what I suspected. It turned out that the rear brake also had seized pistons, and the OEM model of Tektro on my Ridgeback had secure Torx nuts so I was not able to open the enclosure as you so well demonstrate in your video. So replacement it is - thanks again for this confidence inspiring video and your fast reply. God speed!
@petervogt8309 thank you for your feedback! I appreciate it very much. Cheers 🥂
Hey bro, very nice and understandable work.
I have a problem with deaerating the hydraulic fluid and I can't find the actual product. Can you give me the link to your deaeration pump?
Since I couldn't find it, I tried it with my own methods and failed.
Thanks bro! I hope this will help you.
s.click.aliexpress.com/e/_oEGLXBv
@@mikebikeworx9428 The product is not supplied to my country :)
Can you give me the inner and outer diameter of the blue ring for the HD-M275 tektro?
Approximately 25mm outer and 23mm for the inner, I hope this will help! Thanks 🙏
Hey, amazing video, brilliant job too. I have 2015 Tektro Aurigas, Im having a huge problem with my left/rear system. It is impossible to bleed the system from injecting oil via the caliber? I have clean pistons too. Even if I try just the funnel method, no fluid goes in/no air bubbles come out. The brake lever is completely flat when pulled. point of a mm in movements of the break pads on the disc. Any ideas? Shall I try a full rebuild?? Or buy a system updated Auriga for the rear? Cheers!
Hi there! Yeah it’s truly wonderful job! I suggest that try to rebuild! And must be cleaned, thanks anyway!
Good job
Thanks 🙏
Nice. Bravo!!!
Thanks 🙏
Hi, im getting fluid (ATF3 fluid being used) coming out of the vent hole on a Tektro HD-T285 brake lever. I cant see any holes in the diaphragm. Has anyone experienced this before and if so what was the fix, orher than replacement of the whole lever. Could the flyid be to high viscosity, causing splash of air pressure in the reservoir during operation?
Thoughts anyone?
Hi there, it’s sounds like you might be experiencing a seal issues within the brake lever, possible cause is the fluid being used, it should be use a mineral oil only that indicated in the top cup cover of your brake lever, additionally, ensuring that oil level is correct and that there are no bubbles in the system, it might be best to consult with the bike mechanic for this issue! I hope it will help? Thanks
@@mikebikeworx9428 Thanks for the reply and advice. This may be of interest to you and others.
Upon initial investigation, it appears that the issue may be related to the viscosity difference between AFT3 and Tektro brake mineral oil. While AFT3 is not harmful to the seals or internals, its viscosity is nearly double that of Tektro brake mineral oil. This higher viscosity, combined with the small reservoir in the HD-T285 system when the diaphragm is fitted, creates surface tension that allows air to be sucked into the piston from the reservoir when the brake is applied. This air then enters the brake line during operation, necessitating fluid displacement from the line back into the reservoir and out of the breather hole, particularly around the edges of an aged diaphragm. Switching to a lower viscosity fluid may potentially resolve this issue. However, considering the high cost of $200 AUD per litre for Tektro mineral oils, I am exploring other more cost-effective options before committing to this solution.
@johndee68 thanks for the clear explanation! And good luck to your exploring ideas!
@@mikebikeworx9428 you're welcome. If I find a solution that's more cost effective and not harmful. I will endeavour to post back here.
@johndee68 thanks, I appreciate it very much!
Isn't the oil safer to handle with gloves? Doesn't it penetrate the skin without?
No it’s fine not harmful not the same as DOT oil
Hi. Maybe you can help me with some advice. What do I do if I cannot remove the two metal pistons from the inside?
Hi! Firstly Before disassembling remove the brake pads after that press the brake lever continuously or use an air compressor!
@@mikebikeworx9428 I have already dismantled .I've tried this before. But it didn't move at all, and that's why I dismantled it, but I can't remove the pistons
@forestdamian5601 try to use the syringe of your bleedingkit, that I’m using. but if have a air compressor much easier
@@mikebikeworx9428 Unfortunately, I don't have an air compressor
@forestdamian5601 how about the syringe for the bleeding kit
Does somebody know where I can buy new pistons?
Hi, I’m afraid that there’s no available in market right now, if you have the same model as shown! 🤗
@@mikebikeworx9428 thanks so much for the reply! that means i just have to buy a whole new front brake i guess?
@a_g_n_a_0o no worries! Yes you need to buy new one
What kind of air compressor do you have?
Vespa 2hp