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 Help please!

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Batjeep09
Walks The Walk
Walks The Walk


Number of posts : 143
Age : 40
Location : San Antonio
Rig : 2009 2 Dr JK
specs. : Big tires, scratches, cb, winch, lights, bike rack, more scratches and Batman decals.
Registration date : 2011-02-22

PostSubject: Help please!   Tue 10 May 2011, 9:13 pm

Ok, my scan tool only goes to OBD II and can read the CAN network on the new jeep. I just installed a 3.5" lift on the jeep but now the ESP/BAS light is on. My front brakes are closed on the rotors all the time. Naturally I can't drive it like this. Has anyone had this problem?
How do I fix this?

I noticed that the brake lines are tight (as in no slack in the line) I am thinking that due to the tight line the hose is being stretched, increasing brake fluid pressure. Do I need to get a longer break lines to correct this? I'm lost here, any would be great.

Thanks all.
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lonestar rubi
Got No Life
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Number of posts : 1202
Age : 46
Location : san antionio
Rig : 2007 JK unlimited Rubicon
specs. : It's over there}
Registration date : 2010-06-21

PostSubject: Re: Help please!   Tue 10 May 2011, 9:40 pm

Your kit should have came with relocation brackets. You can order them. That shouldn't affect the brakes, just your flex.

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3in Full Traction Premium Plus, Bilstien 5100 shocks, Bilstien 5100 steering stabilizer, 35x12.50x17 Toyo open country M/T, AEV Wheels, Lightforce 170, Rugged Ridge light bar, BesTop bikini top & duster, Superchip Programmer, Superior 5.13's and axle tube seals, Poison Spyder diff covers, Poison Spyder Built for Hammers Trail stinger, Ramsey 8000#, Dual set of Rigid Industries Dully lights, Xenon H.I.D. headlights
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Swamprat
Seasoned Vet
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Number of posts : 496
Age : 36
Location : Mountain Home,Tx
Rig : '03 TJ Rubicon, '56 willys truck, '47 CJ-2A , '53 CJ-3B/blazer
Registration date : 2008-11-17

PostSubject: Re: Help please!   Tue 10 May 2011, 9:49 pm

1st off.. Just unbolt your brake line from your frame.. That will give it slack.. I did mine like that when I lifted my TJ and it's been that way for 4 years now.. Unless u just wanna spend the extra money for longer lines..

2nd what is the "can" network? And the ESP/BAS light?

Simply lifting your jeep shouldn't cause any issues that require a code reader to diagnose .. Most common issues are tight brake lines (which we covered) and steering ...

Hope that helped ya some..
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potlickinpirate
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Number of posts : 898
Age : 48
Location : La Vernia Tx
Rig : 73 cj5
specs. : lined the whole thing
Registration date : 2009-09-04

PostSubject: Re: Help please!   Tue 10 May 2011, 10:01 pm

OK.... The steel lines need to be anchored to the frame. If not they will flex over time and the tubing will crack. Relocate the anchors so you have some travel and you should be fine. This should release the pressure locking the brakes. I believe this is half of the problem.... The other half is the steering is probably not centered after the lift. To adjust loosen the clamps and adjust the tie rod attached to the pittman arm. This will turn the ESP light on. Any of you JK guys can chime in at any time.....and give the proper procedure.....
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lonestar rubi
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Number of posts : 1202
Age : 46
Location : san antionio
Rig : 2007 JK unlimited Rubicon
specs. : It's over there}
Registration date : 2010-06-21

PostSubject: Re: Help please!   Tue 10 May 2011, 10:11 pm

Yup! Park your jeep with tires straight and pending your steering wheel is turned. You need to adjust the coupler that is next to the pitman arm on the drag link. Just turn it a quarter turn at a time and drive it until you get your steering wheel straight while driveing straight.

What is happening is the computer is monitoring the wheel speed sensors and the steering position sensor and thinks you are in a skid... Wheels are all spinning the same speed but the steering wheel is turned=skid

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Life is too short to spend it with idiots!



3in Full Traction Premium Plus, Bilstien 5100 shocks, Bilstien 5100 steering stabilizer, 35x12.50x17 Toyo open country M/T, AEV Wheels, Lightforce 170, Rugged Ridge light bar, BesTop bikini top & duster, Superchip Programmer, Superior 5.13's and axle tube seals, Poison Spyder diff covers, Poison Spyder Built for Hammers Trail stinger, Ramsey 8000#, Dual set of Rigid Industries Dully lights, Xenon H.I.D. headlights
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GULF COAST PIRATE
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Number of posts : 697
Age : 36
Location : Portland, TX
Rig : 2010 JK unlimited
specs. : changing daily...
Registration date : 2009-12-14

PostSubject: Re: Help please!   Tue 10 May 2011, 10:30 pm

Um... Here ya go: Front end alignment I found this very helpful.

Your esp/bas lights are probably on because of an alignment problem.

Your brakes are locked because you have pissed of the CANBUS gods and now you will SUFFER!!!! Evil or Very Mad

No, seriously, I dont know why your brakes are locked up, but I'm betting that if those lines are tight, that's probably the issue. Go ahead and unbolt them from the anchoring points for the time being, but get the brackets on asap.

Hope this helps. Keep us posted!
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Hook-Em
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Number of posts : 1223
Age : 50
Location : Helotes, TX
Rig : 2009 Sunburst Orange JK Sahara Unlimited
specs. : 4'' Rancho Sport Lift; 35x12.50x17 Nitto Trail Grappler MT's on 17x8.5 Alloys; Ace Rock Sliders; Poison Spyder Brawler Light Front Bumper; AEM Brute Force CAI
Registration date : 2010-09-08

PostSubject: Re: Help please!   Tue 10 May 2011, 10:52 pm

That article posted by Gulf Coast Pirate is golden. I'd be willing to be a bucket of chicken wings that when your front wheels are straight ahead, your steering wheel is off to either the right or to the left. As Lonestar rubi said, the Jeep's ESP interprets this as a skid condition. It then compensates by applying the rear brakes (That's the BAS part of the display. It stands for Brake Assisted Steering). If the ESP thinks you are skidding, it applies rear brakes to counter the skid. I suppose it's possible that the brakes are locked due to the skid sensor, but it might be a combination of brake lines that are too tight and the ESP.

Get yourself some brake line drop brackets. Some should have come with your kit. Re-center your steering wheel. Your brakes should release. The ESP/BAS display will go away after driving the vehicle for a few minutes. I think it's 5 minutes, but it might be more.

Good luck!
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Batjeep09
Walks The Walk
Walks The Walk


Number of posts : 143
Age : 40
Location : San Antonio
Rig : 2009 2 Dr JK
specs. : Big tires, scratches, cb, winch, lights, bike rack, more scratches and Batman decals.
Registration date : 2011-02-22

PostSubject: Re: Help please!   Tue 10 May 2011, 11:45 pm

Thanks for the feedback. The wheel is turned right 90 degrees so that makes sense about the skid part. I checked the kit, either I threw them out on accident or I didn't get any. I will order some ASAP and correct the alignment issue. I'll keep y'all posted.
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jkx0778
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Number of posts : 2490
Age : 39
Location : San Antonio, TX
Rig : 2008 unlimited
specs. : in progress
Registration date : 2008-01-29

PostSubject: Re: Help please!   Wed 11 May 2011, 9:47 am

If you can spend the coin, I'd go with longer braided stainless steel brakelines. Try Marcus at River City Offroad or TrailDuty.com. Both are good vendors with good pricing.
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Batjeep09
Walks The Walk
Walks The Walk


Number of posts : 143
Age : 40
Location : San Antonio
Rig : 2009 2 Dr JK
specs. : Big tires, scratches, cb, winch, lights, bike rack, more scratches and Batman decals.
Registration date : 2011-02-22

PostSubject: Re: Help please!   Wed 11 May 2011, 10:43 pm

Thanks for all the input. I did the o'l eye ball alignment for now. I actually got it pretty darn close to straight too. Anyways, I didn't make it down the street before the light came off!! The input helped me a lot!
Also, Talk about the best, I called SKYJACKER to ask about the drop brackets, and my kit did not come with them. After talking with them about the problem, they said as a thanks for being a customer, they are sending me a FREE set of SKYJACKER brake line extensions! Talk about customer service. Maybe at the next Meet and Greet I can finally meet some of y'all and thank you again in person.
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Swamprat
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Number of posts : 496
Age : 36
Location : Mountain Home,Tx
Rig : '03 TJ Rubicon, '56 willys truck, '47 CJ-2A , '53 CJ-3B/blazer
Registration date : 2008-11-17

PostSubject: Re: Help please!   Wed 11 May 2011, 11:39 pm

Wow! Jk's have a sensor like that on the steering? Lol ...hell my TJ don't even tell me to put my seatbelt on any more..

Glad the forum could help ya Smile you'll find everything on here from "aggie engineers" like me all the way to real mechanics.. Lol, btw I need some of them relocation brackets.. Mine have been flopping around for about 4 years now ;(
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jkx0778
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Number of posts : 2490
Age : 39
Location : San Antonio, TX
Rig : 2008 unlimited
specs. : in progress
Registration date : 2008-01-29

PostSubject: Re: Help please!   Thu 12 May 2011, 10:19 am

Swamprat wrote:
Wow! Jk's have a sensor like that on the steering? Lol ...

JKs have sensors for EVERYTHING !! Evil or Very Mad Kinda what makes them a pain in the arse.

batjeep, glad you got it worked out. Try an AEV procal. it has a mode on it which lets you plug it into the OBD port and will let you know when the wheel is exactly center. The procal also lets you program for larger tires and gearing.
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SBC_Tim aka thebigtman
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Number of posts : 944
Age : 42
Location : La Vernia, TX
Rig : YJ/TJ, V8, tons
Registration date : 2009-09-04

PostSubject: Re: Help please!   Thu 12 May 2011, 5:26 pm

Just to thoroughly muck up everything, you can also buy the Aeroforce Interceptor gauge. It can tell you everything that comes off of the OBDII port and do everything the AEV procal does (and more).

I have the Procal and the dual aeroforce gauges. The procal is cheaper but if you need/want gauges, it makes sense to buy the aeroforce. A nice touch on the Interceptor is that you can view the "steering angle" so you'll know right away how to adjust the drag link to get things zeroed out with the computer. The procal does this by using the lights on the front of the jeep. When you have it centered, I think the headlights or parking lights both come on.

http://www.aeroforcetech.com/





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Batjeep09
Walks The Walk
Walks The Walk


Number of posts : 143
Age : 40
Location : San Antonio
Rig : 2009 2 Dr JK
specs. : Big tires, scratches, cb, winch, lights, bike rack, more scratches and Batman decals.
Registration date : 2011-02-22

PostSubject: Re: Help please!   Thu 12 May 2011, 8:18 pm

Well I got it all fixed up, waiting for new lines but they are hanging for now. The new view both inside and out are sweet. [img][/img]
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