ESP off question?? - Cherokee SRT8 Forum
WK1 Troubleshooting / Problems Discussion / Dealer Service If you are having some problems with your Jeep Grand Cherokee SRT8 and need assistance in troubleshooting and diagnosing the problem, this is the proper place to discuss it. Were you treated fairly or poorly at a dealer? Warranty issues? Let us know.

 
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post #1 of 4 (permalink) Old 01-01-2013, 04:25 PM Thread Starter
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ESP off question??

So I've read countless threads about a grinding/vibration when ESP is off. When mine is off it is as smooth as can be with no vibration/grinding from a light throttle to a rolling full throttle. The guy I bought it from has service records for the TC fluids and a brand new front drive shaft this year.

Now for when my ESP is on. I have headers with full exhaust. While at light to mid throttle it is very smooth, but when I go full throttle I am feeling a vibration/grinding. No performance loss whatsoever. Rear driveshaft is stock. This is all coming from what I think is right under me. I know the TC is right under me.

When I am at about 90-100 and coasting I get a harmonic vibration from under my seat. Nothing that ever shakes the steering wheel or console.

Any ideas would be great?? I drive stuff until it breaks instead of racking my brain trying to find the problem. I was just wondering what might cause this problem. I know these jeeps have "interesting" drive lines. I know the dealer will tell me it's normal. I can wrench a little bit. I haven't fully got under my rig yet. I'm thinking this week I will.

Thanks guys.

Black 2006 w/ PWR 224 Cam, Ported Heads, Ported Intake matched up with a Arrington 90mm TB, 4" Bwoody FWI, Kooks Long tubes, ADmotorsportz upper radiator hose, Fore Fuel Rails, B&B Exhaust w/ 5" tips, Badlanz Cut Outs, QA1 rear Shocks, 08+ Front End Conversion.

Also on my second motor.
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post #2 of 4 (permalink) Old 01-01-2013, 04:56 PM
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ESP off you'll have grinding noise , as for the vibration , there a few threads on that subject here ... Now lay a pic of that avatar big enough so people can see hehe...

07 JEEP SRT8 _ SOLD
Tuned By Johan
12.13 @ 110 N/A Cam & Headers
6.90 @ 101 & 10.93 @ 122 Boosted @ 9lbs
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post #3 of 4 (permalink) Old 01-01-2013, 04:57 PM Thread Starter
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ESP off I have zero problems.

As for the picture I deleted it off of my phone. Personal Collection!!
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post #4 of 4 (permalink) Old 01-01-2013, 04:59 PM
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On I meant to say . It's normal on these rigs .
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