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> Brake pressure regulator., DIY overhaul?
Archie
post Mar 16 2023, 06:21 PM
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What are the group's sentiments/experiences with a DIY overhaul of the brake pressure regulator? Can't find any shop manual references, which is usually ominous!
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Geezer914
post Mar 16 2023, 06:38 PM
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I purchased the rebuild kit from PMB Performance and did not touch the adjustment screw.
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mepstein
post Mar 16 2023, 06:58 PM
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PMB has a kit and an option for full service. I imagine there are directions in the kit. I just went for the full service option. Came back like new.
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zoomCat
post Mar 16 2023, 08:03 PM
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The factory manual does discuss trouble shooting and remedies, but not what you were looking for.

Attached Image

They do have a cross sectional view and instructions on how to adjust it. It looks pretty simple.
Even so, I sent mine to PMB.
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brubou
post Mar 16 2023, 08:09 PM
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Had mine restored by PMB it was well worth the money it cost, don’t fall into the trap of doing everything yourself, it’s ok to farm out certain jobs.
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bkrantz
post Mar 16 2023, 10:00 PM
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QUOTE(brubou @ Mar 16 2023, 08:09 PM) *

Had mine restored by PMB it was well worth the money it cost, don’t fall into the trap of doing everything yourself, it’s ok to farm out certain jobs.


Agreed.
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DennisV
post Mar 17 2023, 08:31 AM
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QUOTE(Archie @ Mar 16 2023, 05:21 PM) *

What are the group's sentiments/experiences with a DIY overhaul of the brake pressure regulator? Can't find any shop manual references, which is usually ominous!

Are you sure that it needs overhaul? I have been wondering myself if it a was prudent to rebuild it, even if it looks good and tests good. My understanding is worst case, the front to rear brake bias would be sub-optimal. Not that brakes wouldn't work. I may be wrong about that though.

FWIW, there is a section on Checking and Adjusting Brake Pressure Regulator in the Workshop Manual - Group 6 Section 3.3. I think it is right above what was shared by @zoomCat .
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Archie
post Mar 20 2023, 09:59 PM
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Thanks to all. Much appreciated.
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bbrock
post Mar 22 2023, 11:13 AM
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The PMB kit is an easy install. The work is in cleaning and refurbishing all the parts to make it all like new again.
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GeorgeKopf
post Mar 22 2023, 01:51 PM
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QUOTE
FWIW, there is a section on Checking and Adjusting Brake Pressure Regulator in the Workshop Manual - Group 6 Section 3.3. I think it is right above what was shared by @zoomCat .


I had no idea that the Workshop Manuals were available online.

Thanks for sharing.

George
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