Need help putting 285/70/17 on xk with ome hd

[norwaywj]

Hello, I have an hemi 06 xk. I have ome hd lift installed. Gained nearly 3" in the front and nearly 2" in the rear. I have aev wk pintlers I will be using. The tires are street tires and not ATs or MTs. Pinchweld is getting done. The next problem seems to be the ac lines, any other mods to them other than deleting them ? Think i have heard about relocating them. Would the tires fit with just the pw mod ?

[Matt]

They wont fit with just the pinch weld mod. I plan on eventually relocating mine rather than deleting them, but theres other mods I want to do first so I havent put much effort into that yet.

[norwaywj]

Anybody know how to relocate them ?? Would I also need new uca's ? If so is the jba or rr the best choice ?

[07JeepXK]

Anybody know how to relocate them ?? Would I also need new uca's ? If so is the jba or rr the best choice ?

Best choice JBA hands down

[norwaywj]

Thanks. I will look tomorrow, but is it the heat lines that is outwards ? They seem easier to delete than the ac. Maybe deleting just these and cutting the corner of the bracket would be enough... Im going to put on my 255/75/17 mt's. They are just a little smaller than the 285s and measure how much cutting I need. Did get the rear guard on today so atleast something got done :)

[Matt]

It's the coolant lines that are outboard. I'm thinking re-routing them is the easiest and the A/C lines are probably alright where they are.

https://theultimatejeep.com/images/imported/2011/09/20110930135550-1.jpg

FWIW, I would NOT recommend the RRO arms. Their production is not consistent and theres a good chance you'll get arms made incorrectly that causes the bushings to separate. They also use jeep liberty bushings which are smaller/weaker than XK bushings.... not exactly an "upgrade" IMO. The JBA arms were also recently redesigned/optimized. They're worth the few extra bucks.

[07JeepXK]

Thanks. I will look tomorrow, but is it the heat lines that is outwards ? They seem easier to delete than the ac. Maybe deleting just these and cutting the corner of the bracket would be enough... Im going to put on my 255/75/17 mt's. They are just a little smaller than the 285s and measure how much cutting I need. Did get the rear guard on today so atleast something got done :)

Believe it or not a 285/70 is quite a jump from 255/75's. It's not just the height of the tire, but also the width that causes rubbing

[Core XK]

I may go 275/70/17 to avoid removing hvac lines or trimming. With kids coming in a year or two I may need the AC/Heat.

Sent from my SCH-I535 using Tapatalk 2

[norwaywj]

That is an god option Core. Think I have seen a youtube vid of an xk with 2" lift and 275/70/17 and it looked good. Looks like the jba uca's is the way to go. I do however like the looks of the new uca's from american motorsports, I hopefully they fit an lifted xk also:

Http://american-motorsports.net/?page=suspension&suspensionId=6

[Matt]

Stay away from the AM arms. They were designed around a WK running a double-stacked lift and will not work for a properly lifted xk/wk. The arms push the knuckle out further which is the opposite of what we need to get our camber within spec when running 2-3" lift

[norwaywj]

Matt, i read this in your pinch weld faq. What do you mean with plastic hvac line guide ?

2) Cut away as much from the plastic HVAC line guide as possible. It sticks out further than it needs to and you'll gain almost 1/2" more clearance.

[Matt]

Trim the part circled in red. It'll allow you to pull the fender liner back further for more clearance.

https://theultimatejeep.com/images/imported/2014/04/deb863391c204dca8ff89acde5d8c86b_zps490e-1.jpg

[norwaywj]

Thanks, thought that was steel.

[norwaywj]

Did the mod today. Drivers side went great, not as good on the passenger side. The self tapping screw was easy on the drivers side. On the passenger side there seems to be a new wall 1/4" behind the first. Have you also drilled into this ?

[norwaywj]

Anybody know if its ok to drill into the second layer on the passenger side ? Would really like to get a self tapping screw there to gain som clearance.

I'm also considdering the superchips flashpaq to turn of the tpms. Has anybody tried to remove the sensors ? is it ok if they are first turned off ?

[Matt]

Are you sure you're hitting a 2nd layer or did you drill through the bent over pinch weld. Either way you're good to go.

I turned off my tpms with superchips. Its easy. Then throw in whatever stems you want

[norwaywj]

I drilled in the middle between the pw and ac lines When the liner was out. I think I will just drill through the liner this time, hopefully not damaging anything. I guess I will buy a sc and turn the tpms of and remove the sensors.

[07JeepXK]

I removed my sensors too and used the flashpaq to disable the tpms

[norwaywj]

Thanks for alle thelp. I test fitted a 285 today and it did pretty good. I would prefer to "delete" the two outer lines. Matt mentioned these are coolant lines. Can they be cut and connected together ? Or can I put some kind of blind plug in them ? Would I have to refill the ac ? Thanks for all the help. Not much help on the other forums when it comes to the big wheels and small lifts :)

[07JeepXK]

The two coolant hoses to do the heat delete aren't that expensive from the dealer. I actually have an extra of one of the two hoses as the dealer accidently ordered two of the same part number at first.

[norwaywj]

Thanks, can they just be cut and connected togwther ? If not, do you have a part # ?

[07JeepXK]

Thanks, can they just be cut and connected togwther ? If not, do you have a part # ?

I honestly wouldn't. Just get the hoses. I'll get you the part numbers for you tomorrow after work

[norwaywj]

Thanks !
Was the heating hoses easy to replace ? I guess I dont have to refill AC or other stuff if just the two heating hoses are "deleted" ?

[07JeepXK]

Thanks !
Was the heating hoses easy to replace ? I guess I dont have to refill AC or other stuff if just the two heating hoses are "deleted" ?

The heating hoses are really easy. 10-15 min job if that's all your doing. Then refill coolant for what you lost during the sway and get air pockets out of the system

[norwaywj]

Thanks, looking forward to ordering them.
Is it just a "blind" U-turn hose for the front and one for the back of the car ?

[norwaywj]

Did you find the part #'s ?

Im also looking at some winter tires that a jk guy is selling. The rims are DOTZ Hammada Dark 17x8 et35 and tire is 265/70r17 Cooper Discoverer. Do you think this would work on the commander or would it touch the caliper ? Would they sit far out ?

[07JeepXK]

The one coolant hose part number is 68000967AA I'll have to find the other part number as I didn't see the number on the hose. This part number was from the other hose I had extra because they accidently ordered two of the same at first

[Matt]

According to the parts manual I have, the two hoses for the 5.7L are
68000978AA
68000979AA

For the 3.7 and 4.7 you'd only need p/n 55037965AB

This is all according to the 2008 manual. These parts may have been superseded or changed....id throw them in an online parts search and see if they're listed for your specific year/model.

[norwaywj]

Thanks, will look them up. I have an 2006 5,7hemi xk.

[07JeepXK]

What engine does he have? I have the 4.7 liter and that part number I posted was one of the two heater hoses.

How is it that your saying the 3.7 liter and 4.7 liter only need one part number and it's totally different than one of the numbers I ordered for my jeep? He just wants the heat delete hoses

[Matt]

Adam those are directly out of the 2008 manual. Like I said it may be specific to model year. For 2008 the 3.7/4.7 part number is a dual hose assembly.

[07JeepXK]

Oh so I guess it helps to know what year and engine he has!

Edit: first post of this thread says 06 Hemi so my part numbers will be different than his

[Matt]

I think I have a copy of the 2006 parts manual at home.... will have to check that out tonight

[norwaywj]

Matt, did you have a copy of the parts catalog

[Matt]

I do but ive been busy the past two nights. Remebered that we have the links here though.... you can download your own :)
http://www.theultimatejeep.com/showthread.php?133-2006-2008-XK-Parts-Manual&highlight=parts+manual

[norwaywj]

Finaly got my superchips and turned off the tpms :) Nice to not get the message in the EVIC.
Tried finding the part numbers but looks like I'm not a parts guru .....

[norwaywj]

Ended up ordering 68000978AA & 68000979AA. Same as Matt had found. Looks like these will fit the 06 5.7 also.
With this heat delete, will the rear AC work as normal ?

[Matt]

A bit late but yeah, those are the part numbers for non-rear heat in the 2006 parts manual so you should be good to go :)

The rear A/C should still work normal, as will the blower motor for air circulation.

Make sure you post up pics!

[norwaywj]

Finnaly the hoses are inbound :) will be doing a lot of work now:

1. Rear heat delete
2. JBA UCA's
3. Brake discs and rotors
4. Front TPMS delete
5. 12 Bolt diff cover
6. Hopefully 285's mounted :)

[norwaywj]

07jeepXK, how did you connect the hoses? The hoses is one very short , about 10" and the other is a bit longer. Do you disconnect the two hoses in the engine compartment and connect one of the new ones between the two outlet/inlet and do similar in the back ?

[07JeepXK]

07jeepXK, how did you connect the hoses? The hoses is one very short , about 10" and the other is a bit longer. Do you disconnect the two hoses in the engine compartment and connect one of the new ones between the two outlet/inlet and do similar in the back ?

I took out both hoses in the engine compartment that connected from the water pump to the heater core and back to the rear heater and threw them away. Then installed the two new hoses directly from heater core to the water pump. Sounds like you got the wrong parts? Both hoses were similar in length

[norwaywj]

Looked at this at night time, will look again today in the sun, I might have been a bit tired last night :) Seems like the hoses under the vehicle is hidden under a heatshield etc. Did you just rip them out ??
Thanks for all the replys !!

[norwaywj]

Checked again. I did get the parts I ordered. One is long and one is short. The part number is printed to the hose so it should be ok. It will be very hard to get the short one in. How did you access the waterpump ? It extremely difficult to get to. Did you disassembel other parts ?

[Matt]

Did you take the intake tube off?

[norwaywj]

not yet, might try that

[Matt]

It's wide open in there once that giant piece of plastic is out of the way

[07JeepXK]

Checked again. I did get the parts I ordered. One is long and one is short. The part number is printed to the hose so it should be ok. It will be very hard to get the short one in. How did you access the waterpump ? It extremely difficult to get to. Did you disassembel other parts ?

On my 4.7 liter the water pump is easy to get to. All I took off was the intake tube from the air box that goes to the throttle body. As far as all the old lines, I just ripped them all out/cut them out as they were going into the garbage. The lines under the jeep all all out except for where the go up by the transmission under that heat shield. I just cut on both sides of the heat shield and left them up there. Won't hurt anything and they aren't going anywhere.

[norwaywj]

07JeepXK: im doing a lot of work one the jeep this week, but im also considdering doing the ac delete. How did you do that ? Did you order parts or just "blind" of the rear part ?

[norwaywj]

My Google fu and part catalog lookups point to parts 55116718AG and 55116909AD for an rear AC delete. 07JEEPXK did you need more parts or just these two ?

[norwaywj]

Hmm, fail at deleting rear heat. One of the parts must be wrong or there must be different mounts on the engine With or without rear heat. The hose doesnt fit :(

Anybody done a heat delete with the hemi ??

[07JeepXK]

I have the 4.7 liter and just ordered both heat and ac lines for a 4.7 liter XK without rear heat and ac. Ripped out all the old lines and installed the new ones

[norwaywj]

I'm a bit puzzled by the heater hoses. The short one has one regular hole and one enlarged hole. The other hose has two regular holes. Could this be right ? Im a bit reluctant to cut out the old hose and risk not getting the new one in. I'm considdering just cutting of the hoses that goes down to the wheel weel and put in a "blind" plug in them . It should do the same as changing the hoses.

[Matt]

Post some pictures of the hoses you have.

Dont put a blind plug, you'll run the risk of it blowing off when the cooling system pressurizes

[norwaywj]

I have included 4 pictures. The pictures of the short hose is the 979 part. As you can see the hose is the same thinkness, but the hole in one end is enlarged. The longer hose with number 978 is the same in both ends.


2303230423052306

[Matt]

I looked at my engine (07 hemi) and those hoses look like they'll work. Did you pull off your engine cover and look where the existing hoses go? They come out of the firewall and go in the rear/top of the engine.

You also shouldn't have to cut any hoses. Just move the clamps and twist/pull to get the existing hoses off without damaging them.

[norwaywj]

I might try. It just looks like the bends are not logical and a bit strange with the hole noe beeing equal.

[lekmedm]

I wonder if there are minor differences in the XH.

[Matt]

Hmmmm.... is the OPs right hand drive????

[norwaywj]

No, left handed. I will give it a new try on monday. Seems strange that there is a difference in the heating / cooling, but who know ??

[norwaywj]

Finnaly got it on, was not easy to fit it on behind the engine, but its on now. Se attached pictures.
Do you think a 285/70/17 tire will fit now ? The new tire is a regular general altimax tires, and the old ones are BFG MT in 255/75/17.231923202321

[07JeepXK]

Only one way to find out. I had to do a lot more work than what you have done so far to fit my old 285/70's however they were MT's not AT's.

[norwaywj]

What other mods did you do ? I guess rear ac delete and 0,25" spacer on the ome lift and bumper cutting ?

[07JeepXK]

What other mods did you do ? I guess rear ac delete and 0,25" spacer on the ome lift and bumper cutting ?

I did the rear heat and ac delete, cut the front bumper and an inch all the way around the front fender flare and completely cut out the entire pinch weld area. The 1/4 wheel spacers up front are just for the wheels to clear the brake caliper bracket. They wouldn't fit without the spacers

[norwaywj]

My Mander with 285's :) I will be using these this summer, but next time I buy tires I might look into 275/70/17 for summer tires and 265/70/17 for winter tires.2322

[07JeepXK]

Looks like a tight fit. Any rub?

[lekmedm]

Nice! Where did you find the AEV rims?

[norwaywj]

It doesnt seem to rubb other than against the frame at full lock. I havent mounted the passenger side liner yet

I bought the aev rims when they were available. Im now looking for a set for my winter wheels

[norwaywj]

Thanks to everyone in the thread for all the help. Think I also might do the rear AC delete now :)

[07JeepXK]

Go for it. Mine has been deleted for a few eyes now and I have no trouble keeping the inside of the XK cool in the summer with just the front ac