I'm a little embarrassed to share this, but decided to because there is a very good lesson here. On December 8th I posted about the crack on my hydroboost unit that happened because someone couldn't tighten a nut properly.
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Lesson #1: Inspect the brake system (at least a good visual) when you buy a used vehicle. Lesson #2: Fix brake issues immediately! When I found that loose nut I tightened it up first, then checked the left nut and I barely turned it when the crack became obvious. I immediately stopped and thought that that bolt was holding enough and that with the right side tight it would be OK until I replaced the hydroboost. Since then I have towed a truck on a car trailer, a shed on a car trailer, a 2 horse trailer full of wood, and a 7x14 enclosed trailer with the hydroboost like that. Fast forward to this morning, I installed new tires all the way around.
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I hop in, start it, and put my foot on the brake to shift it into reverse and this happens.
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Broke both ears off of the hydroboost, and broke the right ear off of the master cylinder. Oh and by the way, all that towing was back and forth over mountain passes. Seriously, if any of you are having brake issues and are debating whether you can get by as it is or not, DO NOT DO IT!! I got dang lucky it happened at the shop, it very well could have killed me if it happened on one of the passes. IT IS NOT WORTH IT!
I do have a question for you guys, I found a hydroboost and master cylinder off of a 1994 K2500 with a 6.5 diesel. Everything looks like it should work but I noticed the hydroboost out of my suburban (top) has a line coming off of the return going into an extra port via banjo bolt. Does anyone know what purpose this serves?
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