Author Topic: Squeaking front brake  (Read 2851 times)

Offline Athame57

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Squeaking front brake
« on: September 22, 2018, 10:47:57 AM »
My front brake is capable of squeaking loud enough to have people looking at me funny sometimes, I bet I'm not going to oil them but what can I do, why does this happen if it's not at the disc?
I brake for animals!
1978 CB400F2

Offline Nurse Julie

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Re: Squeaking front brake
« Reply #1 on: September 22, 2018, 10:55:21 AM »
CB400/4's are renown for having squeaky front brakes. Some things to check....are the pads glazed, if so, deglaze. Is the floating caliper adjusted correctly giving the correct clearance, if not re adjust. Is the disc warped, if so, get skimmed.
I spent 4 years trying to sort the problem on mine and finally had the disc skimmed which sorted it for about 4 months but it has just started again, albeit intermittently, but that is probably glazed pads this time.
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Offline K2-K6

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Re: Squeaking front brake
« Reply #2 on: September 22, 2018, 12:23:09 PM »
Which brake pads are you using?

Are they sintered or non sintered?

Offline Skunky

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Re: Squeaking front brake
« Reply #3 on: September 22, 2018, 02:52:27 PM »
Hi - The old remedy for squeaky brakes is to put a light coating of high temperature grease on the metal back of the pad. Copper grease should do the job. Remember kids not on the front.
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Offline Nurse Julie

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Re: Squeaking front brake
« Reply #4 on: September 22, 2018, 03:18:33 PM »
Hi - The old remedy for squeaky brakes is to put a light coating of high temperature grease on the metal back of the pad. Copper grease should do the job. Remember kids not on the front.
Yep, I tried that too, made no difference at all.
LINK TO MY EBAY PAGE. As many of you know already, I give 10% discount and do post at cost to forum members if you PM me direct.
https://www.ebay.co.uk/sch/julies9731/m.html?item=165142672569&rt=nc&_trksid=p2047675.m3561.l2562

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Offline Skunky

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Re: Squeaking front brake
« Reply #5 on: September 22, 2018, 04:50:02 PM »
Well at least if you hear the screech you know you’re brakes are working  ;D
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Offline Skunky

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Re: Squeaking front brake
« Reply #6 on: September 22, 2018, 04:51:39 PM »
Are you allowed to make noise in the sleepy hamlet of Horncastle Julie
« Last Edit: September 22, 2018, 04:53:34 PM by Skunky »
Honda CB400F USA
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Offline Nurse Julie

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Re: Squeaking front brake
« Reply #7 on: September 22, 2018, 05:20:25 PM »
Are you allowed to make noise in the sleepy hamlet of Horncastle Julie
Oh yes, and I do quite often  ;D ;D. Luckily we actually live in an even sleepier hamlet a few miles outside Horncastle and the Natives are mainly old and deaf, so no problems there either  :).
LINK TO MY EBAY PAGE. As many of you know already, I give 10% discount and do post at cost to forum members if you PM me direct.
https://www.ebay.co.uk/sch/julies9731/m.html?item=165142672569&rt=nc&_trksid=p2047675.m3561.l2562

LINK TO MY CB400/4 ENGINE STRIP / ASSESSMENT AND REBUILD...NOW COMPLETE
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Offline Skunky

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Re: Squeaking front brake
« Reply #8 on: September 22, 2018, 05:25:02 PM »
Are you allowed to make noise in the sleepy hamlet of Horncastle Julie
Oh yes, and I do quite often  ;D ;D. Luckily we actually live in an even sleepier hamlet a few miles outside Horncastle and the Natives are mainly old and deaf, so no problems there either  :).

Spent a lot of Time in Roughton so I know what you mean  ;D
Honda CB400F USA
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Offline Nurse Julie

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Re: Squeaking front brake
« Reply #9 on: September 22, 2018, 05:54:21 PM »
Are you allowed to make noise in the sleepy hamlet of Horncastle Julie
Oh yes, and I do quite often  ;D ;D. Luckily we actually live in an even sleepier hamlet a few miles outside Horncastle and the Natives are mainly old and deaf, so no problems there either  :).

Spent a lot of Time in Roughton so I know what you mean  ;D
Mareham le Fen, where we live, is a City compared to Roughton !!!
LINK TO MY EBAY PAGE. As many of you know already, I give 10% discount and do post at cost to forum members if you PM me direct.
https://www.ebay.co.uk/sch/julies9731/m.html?item=165142672569&rt=nc&_trksid=p2047675.m3561.l2562

LINK TO MY CB400/4 ENGINE STRIP / ASSESSMENT AND REBUILD...NOW COMPLETE
http://www.sohc.co.uk/index.php/topic,14049.msg112691/topicseen.html#new

Offline Bryanj

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Re: Squeaking front brake
« Reply #10 on: September 22, 2018, 09:11:43 PM »
If anybody can remember the Citroen GS the manufactures idea to stop squeaky brakes was to put two finger lines of Copperslip on either side of the DISC!!!! and yes it worked but they had the high pressure breaking system worked off the suspension. Apparently it stopped the dust collecting in the pad crevasses.

PLEASE NOTE I am NOT recommending this just recounting and old manufactures fix

Offline flatfour

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Re: Squeaking front brake
« Reply #11 on: September 23, 2018, 09:49:32 AM »
Since returning from a fairly lengthy visit to Japan last week, the front brakes are squeaking heavily on both bikes. They were not too bad before being parked up, the discs rotate freely enough so I assume it must be down to the change in temperature (it was in the 30's when I went)?

Offline florence

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Re: Squeaking front brake
« Reply #12 on: September 23, 2018, 04:45:07 PM »
The brake on mine has always been noisy, i.e. in the last 23 years of use.  It seems that when the caliper is adjusted correctly and the brake is at it's best, it squeaks the most.  Turning kinetic energy into sound waves is how these things stop  :)

Offline SteveD CB500K0

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Re: Squeaking front brake
« Reply #13 on: September 23, 2018, 05:37:49 PM »
Turning kinetic energy into sound waves is how these things stop  :)

Isn't that what a band does Steve?
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Offline Athame57

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Re: Squeaking front brake
« Reply #14 on: October 16, 2018, 05:36:10 PM »
Just had the froont brake apart. Put some silicone lube behind the discs and set the fixed caliper at 0.16 ...still it squeaks!
I brake for animals!
1978 CB400F2

 

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