[Healeys] Master Cylinder Packing Shims

Bob Spidell bspidell at comcast.net
Tue Nov 9 10:45:30 MST 2021

I /think/--not sure--the packing washer is the one that goes under the 
C-clip, which keeps the guts of the M/C inside. If it wasn't fitted, the 
first time you applied the brakes the innards could spill out on the 

My BJ8 came with a packing 'pieces' under the clutch cylinder, but I 
forgot to put it back in once and haven't missed it.


On 11/9/2021 8:56 AM, Harold Manifold via Healeys wrote:
> Who knows what the purpose of the Master Cylinder Packing Piece is? 
> There are 4 on the brake master cylinder and none on the clutch master 
> cylinder. As far as I can tell the packing piece would reduce the 
> distance the push rod can travel into the bore of the master cylinder. 
> Is there an adjustment for the brake pedal and push rod that you use 
> these packing pieces to set?
> The workshop manual specifically mentions “not forgetting to fit the 
> packing washer first” as part of the brake master cylinder installation.
> Thanks… Harold
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