So I will start off by saying I searched the forum and didn't find my answer, but based on a Google search and some videos I watched, my frustration on this is mutual.

The simple question is, how in the world do you remove the caliper on a disc rear end on an 87 iroc? G92 3.45 disc rear. I know this sounds like a dumb question to some, but this has got to be the worst design for a brake system I have ever seen. My specific application, there is a bracket sitting over the caliper slide pin bolt, so you can't actually access that bolt. COOL. Then, that bracket is held on by a torx bolt, which also cannot be accessed. SUPER COOL. I already removed the spring that sits over the e brake cable and that weight thing that swivels(not sure if it's a vibration absorber or some sort of balancer or what it is) and then the banjo bolt and none of that has made access any easier. There is now nothing in the way of those 2 bolts other than the bracket which is bent and curved to about an inch away from the bolts heads.

I watched a YouTube video where the person didn't actually physically show removing stuff, just listed what needed to be removed, and mentioned the bolt for the rear lower control arm has to be removed because it blocks the other slide pin. The rear end in question is currently removed and sitting on saw horses so I can clean it up and replace what needs to be replaced and then put it back in. This is pretty frustrating considering disc brakes are supposed to be easier than drums, but then Borg Warner developed a way to screw that up.
Is there some sort of special tool that's needed to removed those bolts? I don't even think I could buy a 3/8 Allen key that will fit on the shorter end because the clearance between the bolt heads and where that bracket is is not much.






These are the 2 bolts blocked by the bracket.

I know this might come across as me being a whiney little you know what, but I seriously can't believe how unintelligent this setup is. I'm wondering if I can fabricate this bracket so that I don't run into this problem again when it's back in the car. The other side looks like if I just bend the spring out of the way a tiny bit I will have no problem accessing it. Not sure why the other side is set up like this.

 

Your problem is your E brake cable mount has been bent. I just rebuilt mine so I had a few pics to show you what the mount should look like. Hope it helps.

 

What does the other side look like? I'm pretty sure the passenger side is fine to access. The driver side is the difficult one.not sure but it's only one of them that the bracket is blocking the bolts.

 

This is the drivers side.

 

Passanger side caliper is in front, drivers side caliper is in rear. Both sides take the same part number caliper.

 

So that bracket is that red thing just below your panhard bar?

If that's the case then yeah it appears to be bent. After I read your post I tried to bend it with some channel locks and it wouldn't move. So it's pretty heavy duty. This car sat for years and flat tires so I don't know how it was treated en route to where it was when I bought it.

 

Knowing the answer; bent bracket, makes more detail obvious. The parking brake cable must be a (nearly) straight line from the cable housing mount (bracket) to the activating arm. The big curve in the cable won't do anything useful when you pull the parking brake cable.

See if you can work at straightening the bracket on the housing. Maybe enough to be able to remove the tore bolt, at which point you can finish straightening the bracket on your bench.
At some point, you'll have to take the cable off. That looks to give you room to work.

 

Big pipe wrench will bend it back.
Then you can remove those brakes and install 89-97 units that are easy to work on and work better.

 

I just finished rebuilding mine not too long ago. I learned that the caliper piston has to be screwed in not compressed to get new pads to fit. There is a special caliper tool to do this.