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Old 04-23-2023, 05:09 PM   #1
57NAPCO
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Join Date: Feb 2004
Location: Texas/Maine
Posts: 2,217
So tell me about hydro boost, 1988 K30, pedal just about going to the floor

Brake light is on and the pedal goes to the floor but will still stop the truck, barely. I bought an A/C Delco master cylinder hoping that “might” fix it, no luck.
Are there more components to replace?

I did another M/C earlier today on my K20, no hydro boost, no problems. Bench bled both of em. Have not bled brakes on K30 since I’m by myself.


Last edited by 57NAPCO; 04-23-2023 at 05:28 PM.
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