Bought my '86 K5 Blazer two weeks ago. I noticed the power steering bracket was broken, the top hole that requires the spacer that screws into the head. No biggie my buddy had a '77 Jimmy parts truck so I grabbed his bracket. Come to find out my style power steering pump doesn't work with his bracket, so instead of searching for a bracket or buying a new one from like March or something I bought the earlier style power steering pump.

So I rounded the nut on the high pressure line going into the gear box so I bought a new line, everything's cool, put it all back together, but I can't get the high pressure line going into the pump to stop leaking. It's just a drip, as I'm trying to get this system to bleed, but if it's leaking, I'm assuming air is getting sucked back up, because it also won't bleed.

My hose didn't come with the o-rings, and I remmeber both sides of the line between the flare and nut having o-rings. So I put o-rings on it, stop the leak that was on my gearbox side, but the power steering side is still leaking.

Think there's a difference in a high pressure line from a early model and my '86? The power steering pump was different, just the bolt pattern really but still. My next plan is to go buy a new rubber hose for the return line, just incase it has a small crack in it, and goto a junk yard and get my style bracket and put my pump back on.

I wanna drive my new truck!

 

Might be the o ring was to skinny that you put on? Maybe crap in the gear box, little rock or something.

 

I could try another o-ring. The gearbox might have some junk, I've driven it a little bit and it only squeals on hard turns, so when I do take the hoses off again to try and fix it I'll replace the fluid and put in an in-line filter.