Hydro Boost Rebuild

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BigDaddy72

OBS Enthusiast
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Jun 14, 2021
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Anyone ever rebuild one? Getting ready to rebuild the one I have.

Any pointers and or rebuild kit part numbers would be greatly appreciated!
 

Joebuzz

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Mar 23, 2021
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Tips:
Don't forget to let the pressure out before separating.
Sand/file the casting lobes off the round section of the plunger arm (where the loop for the brake pedal attaches). Make it smooth. Use oil, slip the rear seal over the end quickly. I used a small pick from Harbor Fright. Slid right on. If you read "cut and re-weld".... forget it.
Prefilled before install.
 

1998_K1500_Sub

Nitro Junkie
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Amplifying what Joebuzz perhaps started...

Is there any residual pressure in that accumulator that needs to be... released / accommodated / avoided / properly managed?
 

Supercharged111

Truly Awesome
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Please take pictures, and post your experience here!

And now a shameless plug on my dually thread.


Cliff's notes: the shaft seal and housing seal can be quickly and easily replaced by splitting the housing still on the firewall. . . if you don't fvkc it up. Post 718 is where it starts, this is linking to post 719.
 
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