SOHC.co.uk Forums > CB350/400
Brake Caliper Siezed?
Clem2112:
The alloy pivot pin which bolts to the fork leg has a groove or grooves that are supposed to retain some grease. The arm has to be a close fit on the pin but there are no bushings- it's not a good setup!!
You could use lithium of copper grease.... Or is there a better option?
The pin and arm being right next to the wheel and mudguard are in the perfect place to pick up water and dissolved road salt.
Has anyone tried adding o rings ?
Clem2112:
Correction.........New 'O' rings !
I don't remember if I fitted fresh ones or not?
The groove is actually a wide recess , looking at the parts diagram.
Johnwebley:
I must have been lucky,mine have never seized up,
about 2 yrs ago I fitted a second disc ,so removed and cleaned the original,just packed the pivot arm with grease,just normal
med grease,made sure the top and bottom "O" rings were ok and assembled.
Drew400:
Me again,
Here is the (not so) offending article. Piston looks pretty clean and smooth, apart from some baked-on fluid and the calliper body similar. Nothing that some vigorous wiping won't clean.
Looks like a new seal is all that's needed.
Cheers,
D.
Bryanj:
And a scrupulously clean seal groove
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