A arm bushing ?

How many are needed for a front end rebuild on a 89 chevy sub.?Autozone sold me Four bushings,don't I need four lowers and four uppers?Thanks

two uppers for each side. two lowers for each side

What Pat said sounds right to me. And if you don't have a proper press, make life easy on your self, once you get the control arms off, take them to your local front end shop and pay them an hours labor to R & R the bushings. That way you can save up your 4 letter words and aggravation for sime time when you really need them!

Pat

And when going back together with it, don't tighten any of the bolts until you have the weight of the vehicle on the tires.

Two very good ideas,thanks for the help.:D

And, if it hasn't been done before, knock out the alignment plugs on the upper brackets. They will need to be out to re-align the truck and the arms need to come out to do it.
Mark

What are alingment plugs?

I don't know that an 89 Suburban would have them. If it's anything like my truck, You just stick shims between the a arm and the chassis.

Alignment plugs are one of GM's bright ideas. The oval adjustment holes have plugs of metal in them, defeating the purpose of slotting the holes. They must be removed before any adjustment can be made, necessitating front end disassembly and a healthy bill. I doubt the practice was in effect as early as '89, though. Anyway, if its ever been aligned in the past, they are already gone.

My '89 Chevy 1/2 ton was set-up with plugs. That's why I mentioned it. HOPEFULLY... BTD's truck has had an alignment before now; but I thought I would bring it up.
The reason GM set them up like this was to make for a quicker, more consistant build on the assembly line. The "net hole" which was formed with the plugs in place was a no-brainer for the guy sticking the bolt through the hole and, not having to set the alignment on every truck, saved a lot of time, money and tooling.
Mark