<VV> Brake system questions

Dave Ziegler dziegler3 at comcast.net
Tue Apr 15 21:35:20 EDT 2008


bottom posted


On Apr 15, 2008, at 12:37 PM, Bryan Blackwell wrote:

> Answers in line:
>
> On Apr 13, 2008, at 10:12 PM, Dave Thompson wrote:
>> Hi guys,
>>
> < snip unfortunate past :-) >
>
>> Upon disassembly, I found that the right front, front shoe had a
>> crack all
>> the way down the center of the shoe lining with large chips
>> missing. One of
>> the rear axle shoes (I can't remember which) have some chips out of
>> the
>> lining. All other shoes look new and are in good condition.  All 8
>> shoes
>> have a red painted "Bob's Brakes" on them. I see gobs of "glue"
>> squishing
>> from under the linings from the bonding process (Poor quality
>> remanufacture?).  The drums all look newly turned and are in great
>> shape,
>> well within the specified thickness.
>>
> I think you're right to suspect Bob's workmanship.
>>
>> I will be replacing all four shoe sets, including new spring
>> hardware kits
>> using a major name brand manufacturer. The rest of the system was
>> re-built
>> by the previous owner a year or so ago. All the wheel cylinders
>> look new
>> with good rubber and no leakage. The updated dual master cylinder was
>> installed with good craftsmanship and the fluid looks new. All the
>> steel
>> body lines and rubber body to wheel lines look new.
>>
> Sounds like a good plan.  If the fluid is normal DOT 3 or 4 you might
> want to flush it every couple years.
>>
> <snip>
>
>>  I am unable to find any pictures of the parts
>> breakdown.
>
> I think you can find a good drawing in the assembly manual.
>>
>> Do I just put the "T" cup on the shoe with the adjuster and nothing
>> under
>> the other hold down spring?
>>
> Stock as I recall is the T cup for the adjuster and an ill-fitting
> washer under the other side.
>>
>> What is the possible cause of the shoe lining cracks and chipping?
>> Poor
>> quality shoe lining?
>>
> I'd suspect that.  The lining has been overheated, and usually cheap
> linings overheat.
>>
>> What lubricant should I use between the shoe and backing plate? I
>> plan to
>> sparingly use white lithium grease.
>>
> I use disc brake grease.
>>
>> Sometimes when I drive away after having the E-brake on, the rear
>> brakes
>> seem to drag for a half a mile or so. If I stomp on the brakes they
>> retract
>> and do not drag. Will the new spring kits fix this or is there a
>> return
>> E-brake spring that I haven't found yet that needs to be replaced?
>> I will
>> follow the "green book" to properly adjust the E-brake when I do
>> the job.
>>
> I think the new return springs will fix that.  It could also be the
> cable needs lubricating.
> --Bryan

Could also be rusty cables sticking in the sheathing.
Dave.. .
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