how can i jack my jeep higher with a standard tire jack. ive seen the use of wood. but i just dont really understand the concept. im afraid the wood will slip during the rise before i can get my jack stand under.

 

Concrete blocks, 12x12" wood blocks, Floor jack w/wood blocks, And a lot of caution!!!!!!!!

 

cinder blocks under the standard jack? and where should i place the jack? on the diff??

 

Cinder blocks might not be the best solution, if you must use them make sure you lay it standing up (the two holes facing up and down) don't lay it on it's side (holes facing side to side) they are stronger with the holes facing up and piece of 2x6 or bigger block of wood. A nuch better and safer way is to go and get floor jack. Follow the link below for a example, All parts store usually have one on special to get you the door. The one in the link also comes with two jack stands, if you already have two now you would have four and could rotate your tires.

http://shop.advanceautoparts.com/web...97_T%7CGRP2042____

 

The Jeep manual that came with the Jeep tells us not to place the jack under the diff, a better place is near the shock perch on the axle.

 

I never use cinder blocks cause I've had them crumble on me. Just stack wood blocks on the jack. Don't put them under it cause u lose stability. On the rear, Jack directly in the center.in the front u jack one side at a time. Depends on what you're doing as to where to put stands. If your just changing tires or brake components, put them on either side of the axle, I usually put them under my lower control arm mounts in the front and next to the shock mounts in the rear. Any suspension work, put them where the unibody frame starts to turn up, right behind the lower control arm frame bracket on the front and in front of the leaf pack bracket on the year. Its gonna feel sketchy but just let it down real slow. Mines sat like that for weeks on that stand setup.

 

If you can find one online somewhere, I would recommend replacing your factory jack with a military HMMWV (humvee) scissor jack. It should come in a black carrying case with a three-piece handle. I keep one in my XJ as it works great for lifted vehicles. I've also used it on my Suburban with six inch lift and 35s. It extents up to around 20 inches tall.

 

I have a piece of oak about 4x6, I think, that I put the jack on. Works great.

 

I also plan on getting one of these as they don't take up nearly as much room as the floor jack I am hauling around right now.

 

i wouldnt use a military humvee jack, yea they lift pretty high but i also have worn them out a few times being that im in the military, i would suggest a bottle jack that has the top that screws out to give you extra height, i got one from my buddy that works in the supply cage, its for a army PLS it works awesome, and will fit under my axle just fine and i only have 31's, i would not use cinder blocks also, they will crumble, im a truck driver for the army when we tie down loads there cant be metal to metal and we use wood blocks because they wont break like concrete will, personally if you are gonna keep the stock jack, take some ply wood make a base that is 12x12x(X) and there you go its wide enough to be stable and wont crumble

 

Really? I rarely saw a driver use them, they would either get a mechanic or just drive it to us broke. And of course we would use the bottle jacks/floor jacks because we didn't want to dig the scissor jacks out of the vehicle.

 

they just created these a little while back! would be cool to have one!



HMMWV Tire Replacement Jack

Bogert International Inc. has developed a patent pending tire replacement jack allowing troops to deploy the Bogert Jack and lift the M1114, M1151A, M1152A1, and M1165A1, and lighter HMMWV models (GVWR up to15,400 pounds) in under 3 minutes.

HMMWV's used by troops in Iraq & Afghanistan have been so heavily armored that the original equipment jack no longer works to change tires or perform emergency repairs in a timely manner. The weight, coupled with the unique suspension characteristics, and the unstable soil conditions compound the problem.

The 30M-HV Kit (NSN 5120 01 546 9940) has been tested in the mud, sand, wet sand and on gravel slopes with a compound longitudinal and lateral grade of 4 degrees. Lifting from the shock mounting bolt on the underside of the lower control arm, the Bogert Jack has a minimum lifting height of 6.0 inches and a maximum lift height of 19 inches, providing 14 inches of available lifting power stroke.

Contact Bogert International Inc. at (509) 736-1512, or visit www.hmmwvjack.com for more information about NSN 5120 01 546 9940.

 

also dont use cinder blocks, and if you do lay them down (long ways) and place a board over them to distribute the weight! i would just suggest a block of would or a high lift with the proper attachments for the trail. for the garage, a floor or bottle jack and jack stands.

 

one word of caution...assuming you are using a floor jack, is the jack cup ( part that comes in contact with the axle or the jeep) fixed or is it just stuck down in the hole?

if it's not fixed be very careful because it can slip and come out and then...down she goes. More weight capacity jacks and jack stands will allow for more height. For example a 2 ton floor jack might go up 21" whereas a 3 ton might go up 24" and 6 ton jack stands might extend to 21" whereas 12 tons might go up to like 28....these are just made up numbers of real world examples to help with the point though

You could always get a Hi-lift

 

I have always jacked it up by the difs and never had a problem.