So I wrapped up the TeraFlex Alpine Long Arm upgrade over the weekend, it was a pretty big project and I wanted to take my time and make sure it was done right. First thing I did was read the directions, then watch the awesome install videos that the folks at TeraFlex have made. I decided to do one end at a time, starting with the rear. After dropping the rear driveshaft and gas tank (had about 2 gallons left in it, used my motorcycle jack to drop it), then covering up all the open fuel lines fittings, out came the torch. I cut off the factory frame brackets and started the grinding. That was probably the biggest part of the job, time consuming but I didn't want leftover bits on the frame so I took my time and did the best I could. Soon enough the frame was cleaned up and I started welding on the new rear frame brackets. There are some places that you have to work hard to get a good weld, patience is a very valuable attribute here! I hit the bare metal with some paint, let it dry and then started positioning the upper and lower rear long arms! It was a great feeling to get the rear all buttoned up!
I decided to upgrade my bent and abused transmission crossmember with a
Barnes 4WD crossmember. The stock stamped sheetmetal crossmember was actually coming apart at the seams, so the upgraded was well justified! The Barnes 4WD crossmember is very beefy with 3/16" steel and the sides overlap for 3/8" thickness and fully welded... it should last a long time! I also feel better with this addition, since the front lower control arms tie into the crossmember.
I moved on to the front long arm install, moving brake lines and wiring harnesses out of the way and put the torch to work. The factory lower control arm brackets were a PITA to torch off, it took a lot of careful work and then a LOT of grinding. Eventually the frame was all cleaned up and I started welding again, the drivers-side bracket wasn't easy to fully weld, the exhaust is right in the way at the top of the bracket. I ended up spacing the exhaust away from the frame to get the mig welder in there. Finally it was all welded up, sprayed it down with paint and started bolting up the front long arms! I did the uppers first, then worked on the lowers... I made a rookie mistake here, I got excited to wrap it up and put my lowers on backwards. They need to go on the opposite sides...
I was going to fix this today, but decided to go for a trail test instead.
I'll fix them tomorrow.
See.... backwards... oops!
Since I had the JKU up on jackstands, I decided to get some other unrelated maintenance and upgrades done. First thing was changing the oil in the transfer-case, 2.2 quarts of Valvoline ATF4+ full synthetic. Then I swapped out my leaking rear diff cover (it got abused on the Rubicon this Spring) to a TeraFlex cover and a Lube Locker gasket, filling it with fresh Valvoline full synthetic gear oil. I took a picture of 2 of the lower bolts on the stock diff cover, they looked like they'd had a hard life! :laughing:
After getting it back on the ground, I tightened up all the control arm bolts (per TeraFlex instructions) and admired the changes!
Then it was time for a trail test....