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Bled system as per, but got NO pedal

Tiny
BLACKSNAKE
  • MEMBER
  • 2000 HONDA CIVIC HYBRID
  • 4 CYL
  • FWD
  • MANUAL
  • 52,000 MILES
I recently replaced the front brake pads on my 53 plate Honda civic ima. No problems with the replacement of the pads or the bleeding of the system, got brake pedal back after 1st attempt. Today I replaced the rear pads (1st time doing "rear" disc brakes). Replaced pads okay, bled system as per, but got NO pedal. Bled them a total of three times without success.

Q: With servo assist, I always bleed brakes with engine running. Is that correct?

Q: When bleeding rear (discs) should the handbrake be one or off?
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Monday, June 29th, 2009 AT 6:30 PM

3 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Handbrake OFF engine OFF, but if you dont replace hydraulic parts, you should NOT bleed brakes! Loosen master cap syphon any extra fluid out, and push back the piston. On the rear, does it have the screw in piston? You may have the tab of the piston or pads in the wrong spot.
From Honda Service News  On all Honda models, if you're manually bleeding the brakes, make sure whoever's pumping the brake pedal pushes it only halfway to the floor. If the pedal is pushed all the way to the floor, you run the risk of driving the master cylinder secondary piston into any sediment or deposits that may have collected on the piston cylinder walls. If this happens, the piston seals can get permanently damaged and cause a leak. You can also avoid this problem entirely by using pressure bleeding equipment.


https://www.2carpros.com/forum/automotive_pictures/62217_civic_3.jpg



Here is a video and guide below to help you bleed the brake system correctly.

https://youtu.be/w7gUsj2us0U

and

https://www.2carpros.com/articles/how-to-bleed-or-flush-a-car-brake-system

and

https://youtu.be/WDxvEQrMkBg

Please run down these guides and report back.
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Monday, June 29th, 2009 AT 6:33 PM
Tiny
BLACKSNAKE
  • MEMBER
  • 2 POSTS
Thanks for the response Merlin. Yeah, the piston type is a 'screw' in. That's what caused me the problem, have only ever encountered the 'push-in' type (20 years since I was an active mechanic). Pads where down to their last on O/S/R, piston all the way out, so I assumed it had seized when it wouldn't push back in. Remove bleed nipple to clean, plus flexi pipe, then realized my error (fluid res' went from max to min).

Bled until I got constant fluid. Only bled the rear two, engine running, H/Brake off. I've got brakes, but feels like front only. Back when I was a 'Mech' I remember having to re-set the h/brake slack adjuster on certain cars. H/brake feels same as before though.

Did the N/S/R no problem, minimal fluid loss. Maybe try a complete bleed on O/S/R first. Then do a simultaneous bleed on all four? What do you think?

Thanks in advance. Chris.
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Monday, June 29th, 2009 AT 7:42 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
You may have to bleed all 4 wheels, this is a diagonal braking sytem, meaning the left front and right rear are paired of the master, so if air got into the rear line, it probably got into the fronts. Remeber, bleed with engine off and only push 1/2 way down on the pedal to bleed! On Civic, sequence is RR, FL, RL and FR.
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Tuesday, June 30th, 2009 AT 2:15 PM

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