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Unread 06-28-2013, 12:58 PM   #1
klimarov
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1992 YJ Wrangler 
 
Join Date: Jun 2013
Location: Staten Island, New York
Posts: 11
Double Cardan (CV) installation help needed!

Hello fellow Jeepers.

I Just got 1992 YJ and when i bought it the previous owner said he removed front part of Double Cardan to save on gas. When i took the Jeep home i had the piece back in my trunk. Now i'd like to put it back and have the 4x4 working, as this jeep is my toy and i want to use it to the fullest.

I however ran into a problem, when i took a look underneath saw no bolts or any thing i could screw the joint to and it frustrates me a little. I'm not a mechanic, this Jeep is my toy and my hobby, and i'm taking first steps in learning it. Can any one give me a guide on how to connect that front double cardan join so i can have my 4x4 working?

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Unread 06-28-2013, 01:16 PM   #2
TSEJEEPERS
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1993 YJ Wrangler 
 
Join Date: Dec 2003
Location: Morton IL
Posts: 4,969
Are you talking about the front driveshaft?
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93 YJ SOA 2" springs front, XJ springs rear w/main leaf added, High pinon 9 inch rear detroit locker front Dana 44 ARB 4.56 Gears, 36 inch Irok tires too much to list. www.mijc.org
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Unread 06-28-2013, 01:18 PM   #3
mrdeath2000
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1993 YJ Wrangler 
 
Join Date: Jun 2011
Location: Surprise,, AZ
Posts: 652
A YJ's front shaft does not spin when driving, so the only fuel savings would be weight.

UNLESS, he has swapped to a one piece passenger side axle shaft (eliminating the vacuum disconnect, there would be a plate over it) OR he installed a lunchbox locker.

I mention the above because it may not have been removed because of fuel mileage, but maybe vibrations (balance, angle, etc).

Call any local driveshaft shop and they probably have some in stock. Can you post a picture of your front axle and the shaft? Want to make sure it is the D30 and a DC shaft or stock shaft.
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Unread 06-28-2013, 01:20 PM   #4
grandboost98
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1989 YJ Wrangler 
 
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Location: Durham/East Haven, CT
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Quote:
Originally Posted by mrdeath2000 View Post
A YJ's front shaft does not spin when driving, so the only fuel savings would be weight.

UNLESS, he has swapped to a one piece passenger side axle shaft (eliminating the vacuum disconnect, there would be a plate over it) OR he installed a lunchbox locker.

I mention the above because it may not have been removed because of fuel mileage, but maybe vibrations (balance, angle, etc).

Call any local driveshaft shop and they probably have some in stock. Can you post a picture of your front axle and the shaft? Want to make sure it is the D30 and a DC shaft or stock shaft.
They also didnt come stock with a double cardan front driveshaft
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Unread 06-28-2013, 01:23 PM   #5
jeepster93
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1993 YJ Wrangler 
 
Join Date: Sep 2006
Location: Englewood, CO
Posts: 3,943
You are talking about your front drive shaft???
Stock doesn't come with a DC shaft.

Now, I do have a DC shaft on the rear and there is no way to remove the dc part, it is all kind of 1 piece.

Here is my rear DC. It may help.
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Unread 06-28-2013, 02:09 PM   #6
PA_YJ19
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1994 YJ Wrangler 
 
Join Date: Mar 2011
Location: Altoona, PA
Posts: 1,070
I have a DC shaft up front, it's not stock tho...If u could take some pics of the situation/problem it would make it much easier for us to help. Did he take the cv joint off the shaft and reinstall it? Or did he just give u a shaft and was driving it without it installed? It could b for a simple reason or he could have been trying to hide sumthing bad that was obvious with it in,'like say bad bearings on the front output shaft of the transfercase. I hope for ur sake it's not sumthing bad and u just need to install ur front shaft, but we will need a little lot more info or pics to help more. If u just need bolts, u can get 5/16s fine thread grade 5 or 8 at the hardware store and they'll do the trick, they r 1 1/4 inch long usually.
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Unread 06-28-2013, 03:36 PM   #7
TSEJEEPERS
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1993 YJ Wrangler 
 
Join Date: Dec 2003
Location: Morton IL
Posts: 4,969
Best I can figure out you are trying to put the front driveshaft in.
You will need a set of these, two kits. Four straps and eight bolts in total.
http://www.autozone.com/autozone/par.../N-izuiqZ6o231
Normally the bolts have locktight already on them, if they do not pick up some blue locktight.
These straps will hold the front driveshaft universal in the front pinion yoke and the transfercase yoke.
Hope this helps.
Your front driveshaft should not have a CV in it, but it is possible that PO put one in for some reason.
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93 YJ SOA 2" springs front, XJ springs rear w/main leaf added, High pinon 9 inch rear detroit locker front Dana 44 ARB 4.56 Gears, 36 inch Irok tires too much to list. www.mijc.org
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Unread 06-29-2013, 10:31 PM   #8
klimarov
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1992 YJ Wrangler 
 
Join Date: Jun 2013
Location: Staten Island, New York
Posts: 11
Thank you guys for the help. I will have pics up tomorrow hopefully, you can help me understand a little more. I'm afraid though that PA_YJ19 might be right about a hidden problem. When i bought my YJ, the seller just handed me the front part of the CV. As i understand there is a front join that connects front axle with the "ball shaft" (middle connection) and than there is a 2nd join that connects the "ball shaft" with the rare axle. I do have the ball shaft, and i have the rare joint connected. The front join was given to me as is, it's a U-join i believe but it is missing the connection. the pics tomorrow will show the full story and hopefully with your valuable help i will have my YJ adjusted.

When i made the purchase, i expected to have problems with the Jeep, there lots of work to be done and it still will be far from perfect. The jeep is in ridable condition, however i can't do off-roading just yet, the tank skid plate is rotten and i need to replace it immediately as it's tied with cable to the track bar, that's to mention a few.
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Unread 06-30-2013, 06:23 AM   #9
heyvern
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1994 YJ Wrangler 
 
Join Date: Jan 2012
Location: South Central Pa, Pa
Posts: 36
Are you aware that the skid plate on your fuel rank is holding the tank up?
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Unread 07-01-2013, 10:01 AM   #10
klimarov
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1992 YJ Wrangler 
 
Join Date: Jun 2013
Location: Staten Island, New York
Posts: 11
Yep i'm aware of that. problem is that my current skid plate is half rotten, and doesn't holds well. The previous owner has tied it up with alumenum cables using trak bar and the frame, so it can hold. I just got new skid plate plate, so i can make it as intended and remove those cables along with trak bar.
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Unread 07-01-2013, 10:20 AM   #11
87TPIYJ
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1987 YJ Wrangler 
 
Join Date: Feb 2009
Location: Jacksonville, Florida
Posts: 779
Pics please
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