[Healeys] Brake Lockup

[Michael MacLean]

Maybe the right caliper was fluid starved for so long that is froze in place or at least is binding up for that reason.  If all the brake lines are clear, the only thing left is the caliper.  Sounds like time for a rebuild.  Just my two cents.Mike MacLean
   On Tuesday, August 4, 2020, 10:07:19 PM PDT, Bob Spidell <bspidell at comcast.net> wrote:  
 
 Flex lines are only a couple years old, and the hard lines are fairly 
fresh cupro-nickel. You got me thinking, though, the RF hard line may 
have a slight kink (they're both coiled). I'll check it out.

Bob

On 8/4/2020 9:57 PM, sentenac.rw at gmail.com wrote:
> Bob, could there still be some debris in the right front brake line
> that keeps the right brake from being as effective as the left?  Or an
> internally frayed flex line to the right brake?
>
> -Roland
>
> On Tue, 4 Aug 2020 21:50:42 -0700, you wrote:
>
>> Thanks, Kees. The car's brakes are stock BJ8; i.e. single circuit. It
>> pulls down straight, but locks the front left only. I replaced pads and
>> rotors about 4 years/20K miles ago, and the old gear looked to be pretty
>> evenly worn. The right rear line was the one that was pinched, and I
>> thought for sure that would cure the lock-up; it did pull before I
>> replaced the line, but I don't remember the direction (pull to the right
>> would have been expected, I think).
>>
>> I'll take a look at the pads and rotors when I get a chance.
>>
>>
>> On 8/4/2020 9:18 PM, Kees Oudesluijs wrote:
>>> Sounds like one of the calipers is (partly) seized. The car is
>>> probably pulling to one side as well under normal braking. An overhaul
>>> of the calipers and new pads would probably sort it. Also check the
>>> discs.
>>>
>>> If you have a dual brake circuit fitted which is split in circuits
>>> with one front and the opposite rear brake, check the Pressure
>>> Differential Valve or Pressure Differential Warning Actuator (PDWA).
>>> The plunjer should be central but can get dislodged after leakage or
>>> bleeding the brakes.
>>>
>>> But first check the tyre pressures.
>>>
>>>
>>> Kees Oudesluijs
>>>
>>>
>>>
>>> Op 5-8-2020 om 05:00 schreef Bob Spidell:
>>>> Listers,
>>>>
>>>> Today I replaced a section of brake line on my BJ8 that I'd squashed
>>>> with a jackstand. The operation was a success, and I got good pedal
>>>> after bleeding, but when I stomped on the brakes only the front left
>>>> locked-up. This has been the case as long as I can remember, but as I
>>>> don't usually need to lock them up it hasn't bothered me. But, now
>>>> I'm wondering 'why?' There's no adjustment on disk brakes, obviously,
>>>> so why would one squeeze harder than the other?
>>>>
>>>> Bob
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