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Old 06-21-2012, 11:14 AM
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Lifted Jeep- Occasional Grinding Noises (ESP?)

I'm still having an issue with my 2" lifted WK with 255/70/17 tires. I get a grinding noise, which I'm 99% sure is the TCS or ESP activating when it shouldn't be, whenever I turn into a downward sloping anything. Typically it's my driveway when I pull in. Seems like if I turn into a downward slope the grinding noise happens every time. In the driveway example, I turn right (literally) into it and the left front makes the noise (I think). My theory is that the TCS or ESP thinks the front right is slipping and it applies the brake to that wheel and what i'm hearing is the hydraulic pump. I, of course, know nothing about this kinda stuff and this is only a theory. I know the tires aren't rubbing, so this is my best uneducated guess.

What can I do? I'm pretty sure I have the old TSB from the cloverleaf TCS activation issue. Maybe the new one would help? FYI, the ESP light doesn't come on when it happens.

TSB info here: http://wkjeeps.com/tsb/tsb_wk_1801409a.pdf
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2006 4.7L Limited Quadra-Drive II
17" Black Mamba MR1X Wheels on 255/70 Revo 2's
2" Rough Country Lift/Level
Bilstein's Front/Rear
K&N Intake -> Ported TB -> Flowmaster 50
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Old 06-21-2012, 11:26 AM
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It is the ESP, at least it is on mine. Try driving with your traction control off and see if it does it still.
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Old 06-21-2012, 11:28 AM
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Re: Lifted Jeep- Occasional Grinding Noises (ESP?)

Pressing and holding the TCS button until "ESP OFF" shows helps considerably. Although, I'd prefer a more permanent/safer solution.
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2006 4.7L Limited Quadra-Drive II
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2" Rough Country Lift/Level
Bilstein's Front/Rear
K&N Intake -> Ported TB -> Flowmaster 50
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Old 06-21-2012, 11:30 AM
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More permanent would be take the lift back off lol!
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Old 06-21-2012, 11:31 AM
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Re: Lifted Jeep- Occasional Grinding Noises (ESP?)

Crazy talk!
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2006 4.7L Limited Quadra-Drive II
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2" Rough Country Lift/Level
Bilstein's Front/Rear
K&N Intake -> Ported TB -> Flowmaster 50
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