I thought I had updated, but apparently not. I removed the return line from the hydroboost and started the engine and NOTHING came out The pump is bad even though it was NEW! I swapped it with one form a 1998 chevy diesel with 2 return lines. Installed it and everything bled perfectly!
Ok, update. Took someone's advice above, not sure who, but thanks. I swapped my old pump for a pump for a 2000 Silverado 2500 diesel. It came with dual return lines that fit perfectly in the mounting bracket. Flushed and filled with new fluid and left the hose loose from the pump to the...
Never took the hydroboost apart. I knew about the pressure valve, but I have talked to some others that said they used the stock pump IDK! Just trying to work out bugs. The pump appears that it never pumped fluid to the hydroboost, only recirculated it in the reservoir. I first took the return...
May have found the problem. Took the pressure hose from the pump off the hydroboost to drain fluid. Started engine....NO PRESSURE AT ALL FROM THE NEW PUMP...🤬🤬🤬
It is not. I spoke to several people that had installed these units on their Chevelles and the spring and retainer were not in theirs. You can't find them anywhere as a separate part so I went to the junkyard and bought another unit for $50! It has the spring and retainer, but the pushrod is...
Found a spring and retainer. Tried bleeding the power steering and it’s really foamy. Let it sit a day, no foam tried bleeding again and foamy! Also, my brake pedal is actually being sucked to the floor!,! I can pull it up and it sucks right back down. Checked hoses for proper routing and...
I don’t own a truck, but I have a 69 Chevelle with a 502 big block that has a large cam. I don’t have enough vacuum for my power brakes so I installed a hydoboost and having issues and found this site. Searching for answers before asking questions
Thanks 👍👍👋