SYE Advice

[IH8RDS]

I am getting ready to put a SYE in my 99 XJ (4.0/AW4/NP231) and I was wanting your opinion. I have read online that it is pretty easy to do with the transfer case still installed. What have been your experiences? The SYE is a PORC.

Side Bar: I will be using a front DS in the rear when completed.

 

[ExpoMike]

That's exactly what I used for both the SYE and driveshaft. Overall it was very easy to do.

I actually watched this video (even though it's for a TJ) as it covered most of what I had questions about. Even reference it while I was doing the conversion.

http://www.youtube.com/watch?v=_hGpjCAkOvk

Good luck!

 

[SunDvl]

I also put in my SYE while the TC was still in (granted it was under a TJ). The most important thing was to purchase a good set of snap ring pliers.

 

[BigAl]

I've done 2 xjs and a yj, but pulled them all. It seem easier to get the oil pump/tube to line up right when TC is sitting upright on a bench. It is also easier to get a nice clean bead of RTV. I think it's just easier than laying on the floor

 

[IH8RDS]

:bowdown: Thanks for the video Mike. When I do it I will more that likley be on a lift at the Auto Hobby shop. But I may do it in the driveway. The parts store is at the end of my street. Thanks for all your'e inputs. Worse case I'll pull it, but I am going to try and do it installed first.

 

[IH8RDS]

The most important thing was to purchase a good set of snap ring pliers.

check. I got those already. I should be set.

 

[IH8RDS]

That's exactly what I used for both the SYE and driveshaft.

Mike, What is you lift height? What is the max lift for this setup. I run an 8.8 so it should work. I'm sitting as 4.5 in the rear.

 

[Fergie]

Mike, What is you lift height? What is the max lift for this setup. I run an 8.8 so it should work. I'm sitting as 4.5 in the rear.

I ran the PORC SYE with the front DS in my 95 with 4.5" of lift and had no problems.

Make sure you have that damn 12-point socket for the top t-case bolt, and dont forget the magnet.

 

[ExpoMike]

Mike, What is you lift height? What is the max lift for this setup. I run an 8.8 so it should work. I'm sitting as 4.5 in the rear.

Sitting at 3" with a Chrys 8.25 rear end. Did the SYE in the vehicle. I did add shims at my leaf packs, 4* IIRC. No vibes or problems.

 

[IH8RDS]

My pinion is already pointing towards the transfer case. So I shouldn't need shims.

 

[TheMike]

I replaced one in an 02 TJ. We elected to take it out even though we knew we could do it still in. It really is a piece of cake to just take it out of the vehicle and we were very happy we did in the end. On the bench is so much nicer than working over your head or on the ground. Better light and it's nice to be able to move the TC around at will!

Good luck. Not hard but but I recommend pulling it.

 

[IH8RDS]

One step closer. I picked up a front DS today from the local pick-n-pull. It is in really good shape and I don't think the doner 97+ XJ ever went off road. $14 bones. I have all the parts I need now and just need some good weather.

P.S. If anyone needs a 231 J transfer case or AW4 transmission, there is a primo one still on that XJ at the pick-n-pull in Va Beach. Not a speck of dirt on either of them.

 

[Purple People Eater]

Thread Highjack!

What exactly are the benefits of a SYE?

 

[OverlandZJ]

I have always done SYE and input gear swaps on a bench, just so much easier on my old aching back. I think you get a better seal at the case halves as well.

Scott, how many miles on the TC? Most i have done with higher mileage could benefit from new shift mode fork pads.

http://www.quadratec.com/products/52219_01.htm

 

[IH8RDS]

Miles, no idea. The whole inside, dash and all compltely melted down to the metal even the heater core was melted. :smilies27