Ding ding ding! Good call, Laurie!
Inspection revealed both friction surfaces had de-bonded and departed the
shoe backings at the left rear. They had started to break up and became
jammed between backing plate and shoe backings and wheel cylinder and
hold-down springs and drum (creating the odd smell, which was a new
variation on the usual cooked brake smell). In short, a mess. But, a
contained failure and no drum scoring. Right rear (where I had thought the
problem was...) was nominal.
Guess I'm doing rear brakes, next...
- Bob
SPL311RDST@aol.com wrote:
>
> The strange smells were probably overheating friction material... can be
> quite acrid.
>
> Possibility of broken spring that holds the brakes down - shoe got loose &
> cocked itself just wrong in side the drum- then rubbing "the wrong way"
> Best check it soon, as you really dont wanna be buying new drums.
>
> Laurie :-)
> 70 SPL311
> AzROC
> Chandler, AZ
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