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Old 03-12-2012, 03:28 PM   #1
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Brand New 2012 JKUR and Dealer installed 4.5 AEV kit, a few questions...

Yesterday I FINALLY took delivery of my Brand new 2012 JKUR with Dealer installed 4.5inch AEV kit, Power AFE Y pipe and 37/12.50/17 BFG KM2's

(JK was purchased on Jan 31st, and it wasn't ready till last week!!!)

I am going to try NOT to bore you with all of the details that made this take sooo long, I almost did ....but I just erased my very long thread... and am going to try to keep to the point) ( in proofing this thread before I posted it, I do realize it is still a very long original post. I'm sorry)

Needless to say that the dealer had enough time to get this done correctly, and test the Jeep out before I picked it up. They put 45 miles on my JK from when I bought it with 61miles until I picked it up with 106 miles???
They claim it was the drive to and from the Katzkin installer.

I have a few things I am not sure about...

#1. At full turn in and out of parking spaces... I hear some tire rubbing. I am pretty sure it is the front tires hitting the factory skid plate (is that piece of plastic really called a skid plate?) I had the same size lift and the exact same tires and wheels on my 09 and I never had this issue. Is this normal?

#2. I was told that they did plug in and re-calibrate the Jeep with the New AEV Pro-Cal that came with the kit and that the speedo is correct. I figured it was, as the dash board speedo matched the factory 430 nav's digital speedo. However yesterday as I was driving home around 55mph from the dealer I noticed my wife kept slipping further behind me. When I called to ask her why she was going so slow, she said I am doing 63+ mph!

(on a side note keeping my shift points in the green, I pulled 21mpg on the highway according to my odometer and my calculater upon topping off the tank. If my speedo is off almost 10% then wouldn't that mean I was getting more like 23mpg!! ) that's a far cry from the 15 I was getting on my 09!

#3. I had the dealer put aside all of the parts that came off of my 2012. I am amazed how few parts come off, vs how many parts came off the 09 and it's Mopar 4.5 inch Long Arm. Does someone have a picture, or a list of all of the parts that I should have gotten back from the dealer? I got my factory y-pipe, 4 coils, 4 shocks, two big bars? (not sure about what to call those, as I didn't take them off, I am guessing track bar, or sway bar... they are black and about one inch in diameter, ...one is threaded on one side) and 4 skinny black brackets. Should there be more?

#4. This is a Katzkin question, but can someone please shoot a picture of what the sides of their seats look like on the inside, near the e-brake? My Katzkins are tucked nicely on the outside edges, but just left as lose leather flaps on the inside. I end up grabbing the leather everytime I pull the e-brake? Not to mention could someone shoot a pic of the back of their seats (map pockets and bottom) mine look HORRIBle like I had a 5lb sack of sugar stuffed in each pocket and the leather is all gathered up at the bottom!

When it's all said and done with, regardless of some little annoying issues, that I am sure can be resolved, I am LOVING this new lift and my new 12. There is a NIGHT AND DAY difference from my 09 to my 12, and they are both the same color 4 door JKUR's with 6spd and they had the same size lift and tires!!!

GO AEV!!!!

I will post some pics in a couple of weeks after I get steps/sliders addressed and my AEV heat reduction hood, and Bushwacker Pocket Flares painted and installed!

Thanks in advance for your particiapaton in this thread and for reading this far!

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Old 03-12-2012, 03:39 PM   #2
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Quote:
Originally Posted by JKLIVIN View Post
I have a few things I am not sure about...

#1. At full turn in and out of parking spaces... I hear some tire rubbing. I am pretty sure it is the front tires hitting the factory skid plate (is that piece of plastic really called a skid plate?) I had the same size lift and the exact same tires and wheels on my 09 and I never had this issue. Is this normal?

Don't know what tires/wheels you've got. Wheels still stock? What about tires? That info would help answer this question.

On another note, if you're rubbing at full turn you can put some washers on your steering stops and likely fix the problem.


#2. I was told that they did plug in and re-calibrate the Jeep with the New AEV Pro-Cal that came with the kit and that the speedo is correct. I figured it was, as the dash board speedo matched the factory 430 nav's digital speedo. However yesterday as I was driving home around 55mph from the dealer I noticed my wife kept slipping further behind me. When I called to ask her why she was going so slow, she said I am doing 63+ mph!

Re-calibrate your speedo yourself, and check again. They might've not done it, and told you they did.

(on a side note keeping my shift points in the green, I pulled 21mpg on the highway according to my odometer and my calculater upon topping off the tank. If my speedo is off almost 10% then wouldn't that mean I was getting more like 23mpg!! ) that's a far cry from the 15 I was getting on my 09!

#3. I had the dealer put aside all of the parts that came off of my 2012. I am amazed how few parts come off, vs how many parts came off the 09 and it's Mopar 4.5 inch Long Arm. Does someone have a picture, or a list of all of the parts that I should have gotten back from the dealer? I got my factory y-pipe, 4 coils, 4 shocks, two big bars? (not sure about what to call those, as I didn't take them off, I am guessing track bar, or sway bar... they are black and about one inch in diameter, ...one is threaded on one side) and 4 skinny black brackets. Should there be more?

Nope, that sounds about right. I don't know what comes with the AEV setup personally, though.

#4. This is a Katzkin question, but can someone please shoot a picture of what the sides of their seats look like on the inside, near the e-brake? My Katzkins are tucked nicely on the outside edges, but just left as lose leather flaps on the inside. I end up grabbing the leather everytime I pull the e-brake? Not to mention could someone shoot a pic of the back of their seats (map pockets and bottom) mine look HORRIBle like I had a 5lb sack of sugar stuffed in each pocket and the leather is all gathered up at the bottom!

I know zip about leather seats.

When it's all said and done with, regardless of some little annoying issues, that I am sure can be resolved, I am LOVING this new lift and my new 12. There is a NIGHT AND DAY difference from my 09 to my 12, and they are both the same color 4 door JKUR's with 6spd and they had the same size lift and tires!!!

GO AEV!!!!

I will post some pics in a couple of weeks after I get steps/sliders addressed and my AEV heat reduction hood, and Bushwacker Pocket Flares painted and installed!

Thanks in advance for your particiapaton in this thread and for reading this far!
Congrats on the new Jeep.

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Old 03-12-2012, 05:06 PM   #3
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Thanks KBWWOLF,

I didn't list wheel size, as they are the exact same wheels that came off of my 09 and I had no issues with rubbing on the 09.

However they are High Polished Aluminum Mickey Thompson Classic Locks 17 x 9.5

As I stated in my o.p. the tires are BFG KM2's 37x12.50x17

Wouldn't the washer on the steering stops limit my turning radius a little?

I would rather trim the plastic skid plate.. just curious why I have to trim the 12's skid plate and not the 09's .... did Jeep come out with a new skid plate for the 12's?
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Old 03-12-2012, 06:20 PM   #4
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Dealer lift on 2012

I lifted my 2012 with a RK 2.5 max travel. I looked at the AEV lift but they were still debugging their lift vs the 2012. For the rubbing sound I tried the washers on the steering stops, but a lot of washers later I still had it, so I had someone deflect the wheel while I watched the wheel/air deflector. I made a good guess and trimmed my plastic air deflector an inch or so with a battery powered jigsaw and, voila no noises.

As for the speedo, I had similar problems. My chart for dip switch settings vs wheel size didn't work for me. Thru trial and error I used a smaller size than the chart and compared my GPS indicated speed vs my Speedo until they were within 1mph at 70mph. Now my speedo and odometer is right on. I'd have the Service guy ride with me and show him your GPS speed vs Speedo. In about 10 mins of trying different values you can get it perfect.
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Old 03-12-2012, 08:34 PM   #5
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You should have the ProCal in hand - it's yours, and is only good for your Jeep. It's very simple to use, follow the instructions and do it yourself. I'll bet the dealer didn't calculate the size properly.

The plastic air dam can be easily trimmed with a razor knife. I had to do our 2012 with no lift and 255/80-17's - not surprised that your touched with 37's.
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Old 03-12-2012, 08:39 PM   #6
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The leather absolutely should not fit like that by the parking brake, have them complete the job. The rear map pockets should have zero sag. Sounds like these covers were on a show vehicle or similar.

Make sure the dealer gave you the Pro-Cal module, it is yours as it came with the lift kit. Read the directions and adjust the speedometer yourself. Test the speed with a different gps. Your wife's car could be inaccurate too.
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Old 03-12-2012, 08:53 PM   #7
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Thanks a bunch for your replies guys!!!!

I have the Pro-Cal, the dealer put it safely back in it's little plastic bag, back in it's box with instructions.

I will do all suggested to get the speedo with pro-cal, and plastic air dam dialed in correctly, thanks for your input and advice.

I made a mistake in my math with mpgs.... sorry!

My odometer clocked 54 miles and when I topped off it was full after 3 gallons. This would equate to about 18 mpg.

It was actually about a 60 mile trip ( I have done this trip many times) I stopped 4 times along the way, the rest was flat highway miles cruising at about 60 mph and turning 2000-2200 rpm. I used 3 gallons of gas, that's about 20 mpg.

Sorry about the mistake, but I'm still really happy with the improvements over the 09's 15 mpg!
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Old 03-12-2012, 09:18 PM   #8
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Did you change gearing in your diff's or are you running stock 4.10's with those 37's? Also, did you change your front drive shaft out? Thanks
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Old 03-12-2012, 10:05 PM   #9
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Nope, but for me that's because I have a manual 6spd tranny!

I had 37's and 4:10's on my 09 with 6spd. It was sluggish on hills but nothing downshifting and hitting the skinny pedal couldn't fix.

I drove it for 3 years and still didn't have any desire to re-gear. (now if they broke... I might have)

The 2012 with the new Penstar feels sooo much more powerful, and gets soo much better gas mileage.

I am very happy with the 4:10's and at this point I don't think I will change them.

I don't know if my dealer Calibrated Correctly with the Pro-Cal, nor do I know if the speedo is correct or not, AEV tells me to test the jeep with my regular GPS for speed accuracy. However with the 4:10's traveling 60 MPH I was pulling around 2000 or so RPM

With the AFE Y Pipe relocating the exhaust back... there is no need to replace the front driveshaft. I am running my stock shaft.

Thanks Silverton34 for the heads up on the Katzkins... I too feel like they didn't complete the job!
I special ordered the accent stitching in grey, and the seats look like nobody has sat in them much... so I don't think that they were used... but maybe you are right. I did ask for dark grey stitching, and they reccomended the light grey.... wonder if they were trying to move an older set or something?
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Old 03-13-2012, 08:13 AM   #10
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If you are really getting 20+ mpg with a 4 door Rubicon on 37" tires and 4.5" lift, I'm impressed. I don't think the EPA rating on the window sticker is that good. If my memory is correct, it was 15 city/19 hwy for my stock 2012 JKU Rubicon auto running stock 32" tires and no lift.

Let us know what your mpg is after you get your speedometer calibrated. I think you will find your mileage will be less than what you think. Is your mpg all hwy driving at 60 mph with no city driving?
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Old 03-13-2012, 09:39 AM   #11
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As a side note on setting the dip switches. You MUST measure your tires, properly inflated, under a normal load. Measure across the top of the tire (not just to the edge) and use a level. Get it right. 37's will not measure 37. My 33's measure 31.75. I hated to plug that number in. I didn't have 31's or 32's. I have 33's. But when I did it correctly (measure and use the correct values for the dip switches) my speedo, and my odo were a match to my Garmin Montana 600. On a 1900 mile trip. Do the measurement. Don't go by the *tire size*.
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Old 03-13-2012, 11:18 AM   #12
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If you are really getting 20+ mpg with a 4 door Rubicon on 37" tires and 4.5" lift, I'm impressed. I don't think the EPA rating on the window sticker is that good. If my memory is correct, it was 15 city/19 hwy for my stock 2012 JKU Rubicon auto running stock 32" tires and no lift.

Let us know what your mpg is after you get your speedometer calibrated. I think you will find your mileage will be less than what you think. Is your mpg all hwy driving at 60 mph with no city driving?
You might have misssed what I wrote above, so I cut and pasted it below for you.
"I didn't say 20+, I said about 20MPG.

The window sticker on my MANUAL 6spd Rubicon says 21MPG highway, I'm guessing because the manual has an extra gear.



Originally I made a mistake in my math with mpgs.... sorry!


My odometer clocked 54 miles and when I topped off it was full after 3 gallons. This would equate to about 18 mpg.



It was actually about a 60 mile trip ( I have done this trip many times) I stopped 4 times along the way, the rest was flat highway miles cruising at about 60 mph and turning 2000-2200 rpm. I used 3 gallons of gas, that's about 20 mpg.



Sorry about the mistake, it was my firstborn baby's 4 month old birthday, and it was an exhausting all day trip from Seattle to the San Juan Islands with my family in three separate cars...


anyway you look at it.... I'm still really happy with the improvements over the 09's 15 mpg!


I can post again after speedo is corrected, but it shouldn't make a difference. I know it was about 60 miles, as I do this trip often.... and I know I used 3 gallons of gas. Those two variables have nothing to do with my odometer or any computers.

Yes I know I will have to plug in 35.5 for my 37's!!!! But I will measure as you said before I re-calibrate.

funny thing is, that I measured the stock 32's They don't have 32 inches written on the side-wall.. but they actually measure 32 inches. When I roll one up to the mounted 37's they are only a couple of inches different...
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Old 03-13-2012, 03:24 PM   #13
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Exclamation Wow..............

..................... the last thing I'd do is purchase a "dealer" installed lift, at least around here where I live
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Old 03-13-2012, 05:27 PM   #14
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I purchased the jeep first and had them install the lift of my choice before I took delivery.

Warranty is a big issue with me, as I purchased the lifetime bumper to bumper wrap around the vehicle.

I have a written warranty that states that the dealer installed lift won't void the factory bumper to bumper lifetime warranty.

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