the axle is a shaft that goes into your rear end from one side with the wheel bolts on it and the other connecting into you rear end differential gears.
yes
http://www.off-road.com/trucks4x4/bigbroncos.tech/Bronco-Rear-Axle-Codes-and-Ratios/ArticleStandard/Article/detail/304644your gear ratio is 3.55
Yes. The Bronco body style didn't change again until after 1989.
Underneath, back of engine, passenger side.
No, the front end of 92 - 96 Broncos is completely different than 87 - 91 Broncos.
I believe that is 30 to 40 PSI
Buy a new CV Axle Halfshaft and a new axle nut comes with it.
they started a new body style in 1992 so no , unless you changed out the whole dog house including core support
You can find the fuse box diagram, for your 1989 Ford Bronco, by taking the fuse box cover off. The diagram of the fuses is on the bottom of the cover.
The PCM for the 89 Bronco is located on the firewall on the driver side. You can access it from inside the cab, behind the parking brake pedal.
140 horse power @ 4600 rpm
u can take out the play in the wheel threw the steering box