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-   -   How to: Install of Eibach Pro kit (non auto ride) (http://www.tahoeforum.com/showthread.php?t=89)

Gapp 09-23-2006 11:05 PM

How to: Install of Eibach Pro kit (non auto ride)
 
This install took me about 3.5 hours and was somewhat involved. A friend to help is a must to make it go smoothly. Here's what you need to do it:

1. Hydraulic jack, stands, and wheel chocks
2. Air compressor (optional, but it will go 2X faster)
3. Spring compressor (You can get at any auto parts store)
4. 21mm deep socket
5. 18mm deep socket
6. 15mm deep socket
7. Pry bar or something for leverage

I opted to do the rear first so you will need to chock the front wheels and loosen the lug nuts slightly on the rear wheels.

http://i10.tinypic.com/2hfph6s.jpg

Next, position the jack under the rear differential and jack the truck up until the rear wheels are off the ground a couple of inches. Place the jack stands under the frame rails, then drop the weight of the truck onto them, making sure they are level and secure.

http://i10.tinypic.com/35db61l.jpg

Now, remove the rear wheels and use the 18mm socket to loosen the sway bar nuts as shown

http://i9.tinypic.com/4cbll08.jpg

Now, remove the shock bolts using the 21mm socket

http://i9.tinypic.com/4417zh4.jpg

Once the sway bar connections and shocks are disconnected, very slowly drop the rear end down, careful not to snag any sensor wires or brake lines.
As the rear end comes down, the springs will loosen and free up. Go ahead and pull the springs out. It might take a little bit of gentle persuasion.

Gapp 09-23-2006 11:09 PM

http://i9.tinypic.com/2qa4u9x.jpg

Notice the difference between the stock and the new Eibachs:

http://i9.tinypic.com/2zzrb6o.jpg

Take the rubber off of the stock springs and put on the new ones. The rubber prevents any noise from the spring coils touching.

http://i9.tinypic.com/34hgc29.jpg

Reinstall everything in reverse. Have a buddy jack the rear up as you guide the springs back into position. Re-tighten everything up and that's it for the rear.

Now the fun part! The front!

Use the e-brake to keep the back from moving and use the engine crossmember as a jacking point. Position the stands like before on the frame rails and remove the front wheels. The front uses coil over shocks and provides a pretty supple ride.

http://i10.tinypic.com/2wmezye.jpg

Gapp 09-23-2006 11:10 PM

http://i10.tinypic.com/2wmezye.jpg

Start by removing the two 15mm bolts on each side that hold the bottom of the coil over assembly to the lower control arm.

http://i10.tinypic.com/2vxem3n.jpg

Now, locate and remove the 3- 18mm nuts on each coil over holding it from the top. You can do it from underneath or on top. (I did both) The top will require the use of some extensions to reach.

http://i10.tinypic.com/2a8q688.jpg
http://i10.tinypic.com/485vm38.jpg

Gapp 09-23-2006 11:11 PM

Now once all the nuts/bolts are removed, use the pry bar to remove the assembly from the bottom.

http://i9.tinypic.com/30sbj40.jpg

Here's the assembly next to another important tool...

http://i10.tinypic.com/43qnw2c.jpg

Now, loosen the 18mm nut on each top hat of the coil over SLIGHTLY. Do not take it off, you will be SERIOUSLY INJURED by the spring. Use the spring compressor to take the tension off the spring. Once the tension is off, remove the 18mm nut and pull the top hat and spring off the shock.

http://i10.tinypic.com/33abayr.jpg

You need to replace the stock bump stop with the supplied bump stop or cut 2" off of the stock one. This will allow for use of the stock shock and make for a factory ride.

http://i9.tinypic.com/359lnhe.jpg

Gapp 09-23-2006 11:12 PM

Be sure to do one side at a time to allow a stock reference to the order of the dust boot, spring top and bottom, bump stop, etc. Reinstall everything in reverse and tighten up all nuts and bolts. Drop the truck down and admire your new stance!!

Here's the before and after. Not a huge difference, but better! Happy slammin!!

http://i10.tinypic.com/4bdtac7.jpg
http://i10.tinypic.com/30kppqp.jpg


DISCLAIMER: This is how I did it, and I am not responsible for any damage, injury, or negligence as a result of your installation. Use common sense and be safe!!!

basecorvette 09-25-2006 07:43 PM

Nice!!
 
Great write up and step by step pics. Thanks. Tahoe looks awesome.

tbourg4 11-26-2006 06:24 PM

How does it ride compared to factory? What size tires do you have and the offset of the wheels, and does it rub any?

Gapp 11-29-2006 12:13 PM

It rides nice and handles great. There is less suspension travel so it doesn't feel like you are floating on a cloud anymore. As with any lowered vehicle, you trade off a little comfort for performance. To each his own!

As for the size, they are 275 55 r20's and IIRC, the offset is +40. I have had no rubbing issues whatsoever.

meathead 12-19-2006 12:42 AM

lift, not drop
 
Nice write up. Pretty straight forward. However, I'm looking for about a 2-3" lift. Any suggestions w\out messing up the ride or gas mileage?

SlickTahoe 03-25-2007 09:18 PM

Eibach w/ autoride
 
I installed a set of Eibach springs on my 07 w/ autoride this weekend. The front dropped 2-3/4" and the rear 2-1/2". The install went very well. Eibach includes shorter push rods for the autoride sensors. The ride is great but the front is so low I can't roll a floor jack under. The truck still has the stock looking rake. I was looking for a level look as well. I ordered 2" spacers for the front to level the truck. I hope I can cut them down to 1-1/2". I think this will give the truck a good "SS" look.


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