| Re: [GMCnet] Machining Brake Drums [message #361767 is a reply to message #361764] |
Thu, 14 January 2021 19:01   |
James Hupy
Messages: 6806
Registered: May 2010
Karma:
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Senior Member |
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Many, many, NEW BRAKE ROTORS are seriously out of true as well as
concentricity. After they are bolted onto your hubs, they should ALWAYS be
checked with a dial indicator. If their runout is greater than .003" they
should be trued. Unless you just happen to like pulsating pedals and
excessive wear on pads, calipers, and front wheel bearings. Then, slap 'em
together and forget about it.
Jim Hupy
Salem, Oregon
On Thu, Jan 14, 2021, 3:08 PM Rob via Gmclist
wrote:
> I'm with you - I don't think I've ever machined or resurfaced rotors or
> drums, regardless of the vehicle...
>
> Rob
> 76 Royale Twin Beds, Dry Bath
> Victoria, BC
>
>> On Jan 14, 2021, at 2:54 PM, Johnny Bridges via Gmclist gmclist@list.gmcnet.org> wrote:
>>
>> Yall can shame me but I never turn discs or drums. Any scoring is
> concentric anyway, so the puck or shoe quickly takes a set to the grooves.
>> Anything grooved beyond the machining limit - .0625 or so - needs to be
> replaced anyway.
>>
>> --johnny
>> --
>> Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
>> Braselton, Ga.
>> I forgive them all, save those who hurt the dogs. They must answer to
> me in hell
>
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