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Old 11-06-2009, 07:47 PM   #1
corelokt
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HydroBoost rebuild kit

Got the fluid down the firewall blues. I need to find a kit to replace the blown seal. Anyone know where to get one, or the part number? There's something on ebaie, but I don't know what will fit mine.
1986 Chevy Blazer, 6.2L diesel, CUCV.
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Old 11-06-2009, 07:51 PM
Posted in reply to corelokt's post "HydroBoost rebuild kit"
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Hydro-Boost Repair Kit (Exact Duplicate) 277100

Is this correct?
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Old 11-09-2009, 02:24 PM
Posted in reply to corelokt's post starting "Hydro-Boost Repair Kit (Exact..."
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Anyone?
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Old 11-09-2009, 02:42 PM
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Kjunky5
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You're braver than I am. I would be a little nervous around the high pressure nitrogen assist cylinder thingy (or big spring for some early ones). Autozone has reman ones for 84.99 with a lifetime warranty. I know you probably just need a seal but when it comes to brakes I take no chances. </my$0.02>
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Old 06-15-2010, 10:56 AM
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cdoggwsu
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Any other recommendations here? Mine is leaking at the brake pedal push rod inside the cab...goodbye carpet.

The reman is like 130 bucks at the local O'Reilly's and I was unable to find a rebuild kit there.
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1988 K5 Blazer Custom Deluxe | 5.7TBI/SM465/NP208 | 4" Lift/33x12.50 MT
1984 K1500 Suburban | 6.2D/700R4/NP208 | Stock front springs, Rancho rears.
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Old 06-15-2010, 10:20 PM
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I bought my kit from the dealer a few years ago. I can't help more than that other than to say that it is NOT a complete kit (GM does not make a complete kit, nor do they have all of the seals available). It does have the input seal, piston seal, the "8" shaped body seal and a couple others, but there are a couple o-rings that are not included. If you only have to do the input seal, then do it, the piston seal and the case seal and you will have enough in the kit (these are the most common seals to leak). If your accumulator is not leaking, leave it alone as the only way to get that o-ring is to buy an accumulator from GM. Deplete the accumulator before you pull the hydroboost from the truck, but just leave it assembled while you do the rest. It is a pretty straight-forward job, no real tricks to it (other than finding a parts guy at GM that can find a kit). The factory service manual has a good description of the procedure.

The only place I ever found the kit was from GM. I could not find any evidence that any p/s or brake manufacturer has ever offered/manufactured one.
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