Quote:
Originally Posted by prateroad
It's been a while since I've been on here, I have a power brake booster question. I've got an 85 Chevy C30 with the hydroboost that needs a seal kit installed. Is there any way that brake fluid can get into the power steering system via the hydroboost? I'd also like to know your thoughts on completely removing the hydroboost and installing a double diaphragm booster like they used to put on the C30 before the hydroboost came out. I have no idea why they put the bolts on the inside of the cab, they look like a real pain to get to, especially the upper right side bolt or nut. Any tips on removing that hydroboost for a re-seal or replacement appreciated. This is always my go to place for advice. It's not who you are, it's Who you know. Thanks again.
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Not 100% sure on the brake fluid bleeding over to the hydraulics side of things
but I know it can make its way into a diaphragm cannister on a vacuum boosted set-up. If it can for the vacuum set-up, I'd bet it could do the same w/the hydraulic boost.
The bolts are a PITA to access but it only has to be done for the swap. Swapping hydraulic for vacuum is some work but can be done. Besides swapping all the expected parts under the hood, you also need to swap over the correct pedal while you're under the dash (or alter the hydraulic brake pedal) because the stroke is different between the two braking systems. Not a big deal if you're not scared to tackle the other stuff.
Effectiveness? I wouldn't do it on a 'working' truck (one that's still hauling to it's full capacity). But the vacuum brakes work fine slowing a dually down pulling a single open car trailer.