Re: [DML] Re: Spoke too soon! - Thanks for tips on brake job.
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Re: [DML] Re: Spoke too soon! - Thanks for tips on brake job.



The new Master Cylinder will not have any wear to it so it wont be a 
problem.

Good luck


Mark V




On Jul 15, 2005, at 2:21 PM, sweetp01569 wrote:

> Thanks Mark,
>
> When I install a new master cylinder, do I still need to be
> concerned with this, or is it OK to push the pedal to the floor when
> I bleed them.
>
> Thanks,
>
> Paul
>
> --- In dmcnews@xxxxxxxxxxxxxxx, DMCVIN6683 <dmcvin6683@xxxx> wrote:
>> Sounds like your Master Cylinder is shot.
>>
>> Inside the Master Cylinder it develops a wear pattern through the
>> years. When you bleed the breaks you push the o-ring seals inside
> the
>> master cylinder past the wear marks and they develop little cuts
> in
>> them and then fail.
>>
>> When i bleed brakes i put a hunk of wood under the pedal so when
> you
>> "pump them up" you wont push the master cylinder past the wear
> marks
>> and damage it.
>>
>> Mark V
>>
>>
>>
>> On Jul 15, 2005, at 7:02 AM, sweetp01569 wrote:
>>
>>> After all the pats on the back I gave myself for doing the
> brakes,
>>> they started failing on my ride home yesterday!  I was coming to
> a
>>> stop, pressing the brake pedal, when the pedal lost pressure and
>>> slowly lowered to the floor!   I had to pump them quickly to
> build
>>> up some pressure, and worked my way home that way, making sure I
> had
>>> enough room in front of me.
>>>
>>> I immediately suspected that I didn't tighten a line fitting or
>>> bleeder screw enough, but when I got home, I didn't notice any
> fluid
>>> leaking in the driveway.  I haven't checked anything yet, and
> will
>>> this weekend.  I am hoping it is a simple answer.  Could I hve a
> big
>>> air pocket left in the system, is the brake cylinder failing?  A
>>> little puzzled, but hope to solve tomorrow.
>>>
>>> Paul
>>> VIN 10944
>>>
>>> --- In dmcnews@xxxxxxxxxxxxxxx, "sweetp01569" <paul.sweet@xxxx>
>>> wrote:
>>>> I wanted to thank those who gave me guidance on my recent brake
>>> job
>>>> I did myself.  I replaced all the original calipers (and
> original
>>>> brake shoes still on the car - 27,000 miles) with the loaded
>>> cadmium
>>>> coated rebuilds from SpecialT Auto (not plugging the vendor, as
> I
>>>> also purchase from all of them, to share and support those who
>>>> support our fine cars, but nice pieces, nonetheless!)
>>>>
>>>> I was only able to get the driver's side front and rear rotors
> off
>>>> the car, even after tips on removing the rear spacer plates and
>>>> exhaustive attempts with a rubber mallet, then a 2 x 4 and
> hammer
>>> (I
>>>> have a souvenir blood blister behind my middle fingernail from
>>> that
>>>> hammer - Ouch!)
>>>>
>>>> I was going to take them to a local shop for turning, but since
> I
>>>> could only get two off, I kept them all on the car instead and
>>>> sanded them with a rotary attachment on my drill with #80
>>> sandpaper,
>>>> as suggested by David Teitelbaum (Thanks David, it worked like a
>>>> charm to eliminate the glaze, and saves rotor material in the
> long
>>>> run!).
>>>>
>>>> I bought stainless break lines, but had trouble freeing the old
>>>> lines (was bending the frame mounts trying the free the nut, and
>>> the
>>>> rears seemed a little challenging to get my hands in there -
> I'll
>>>> wait till someone else can put them in, perhaps during a visit
> to
>>> PJ
>>>> Grady's).
>>>>
>>>> After installing the new loaded calipers and bleeding the
> brakes,
>>>> the car handles so much better!  The brakes feel like new (No
> more
>>>> squealing and shimmying (my passenger front caliper was never
>>> fully
>>>> releasing the rotor).
>>>>
>>>> Feels good to complete a job myself and bringing the Delorean
> to a
>>>> condition closer to that when it was new.
>>>>
>>>> Thanks again everyone!
>>>>
>>>> Paul
>>>> VIN 10944
>>>
>>>
>>>
>>>
>>>
>>>
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>>>
>>>
>>>
>
>
>
>
>
>
>
> To address comments privately to the moderating team, please address:
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>
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>
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>
>
>
>
>
>





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