So when I let off the gas I have a weird shutter and vibration. Its almost like really bad warped rotors but its also causing a lot of vibration. When I step on the gas it goes away. I don't know what it is but its really frustrating.

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OME 2790/2948 Rancho all around
JBA strut plates with clevis lift
2 extra rear upper isolators and one extra lower
Front sits 23
Rear sits 22 3/4
265 75 16 Maxxis Big Horn MT
GDE Hot Tune
Bumper trimming up front

Sounds more like drive line vibration - CV joints; drive shaft "U" joints; drive shaft slip joint sort of thing although I would not rule out motor/tranny mounts.

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Sold to LOST member my 05 Ltd, GDE Stg II turbo + TCM tune, SunCoast TC w. Transgo kit, Steiger window regulators, Samcos, Fumoto valve, 2nd gen filter head with Lub. Spec. bleeder, Hayden clutch & 11 blade fan, inverted spare, P-1 battery, BF Goodrich Long Trail TAs, Etecno1 glow plugs, timing belt at 50K miles/8 yrs

Anyway to check u joints? It also does it when I turn into a parking space. It has to be real slow but I really feel it then.

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OME 2790/2948 Rancho all around
JBA strut plates with clevis lift
2 extra rear upper isolators and one extra lower
Front sits 23
Rear sits 22 3/4
265 75 16 Maxxis Big Horn MT
GDE Hot Tune
Bumper trimming up front

Vibration or clicking when turning is often CV joints. Does it do it more when turning left or right?

Drive shaft "U" joint check requires dropping drive shaft. Chat indicates you cannot do a good job of checking them on the vehicle. Don't know that I've seen a how to but should be easy or see FSM.

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Sold to LOST member my 05 Ltd, GDE Stg II turbo + TCM tune, SunCoast TC w. Transgo kit, Steiger window regulators, Samcos, Fumoto valve, 2nd gen filter head with Lub. Spec. bleeder, Hayden clutch & 11 blade fan, inverted spare, P-1 battery, BF Goodrich Long Trail TAs, Etecno1 glow plugs, timing belt at 50K miles/8 yrs

Feeling is the same either direction. Does it worse when just letting off the gas.

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OME 2790/2948 Rancho all around
JBA strut plates with clevis lift
2 extra rear upper isolators and one extra lower
Front sits 23
Rear sits 22 3/4
265 75 16 Maxxis Big Horn MT
GDE Hot Tune
Bumper trimming up front

Sound like mine had the same problem a few years ago the stealer said it was the output bearing on the transfer case and u joints. Chrysler put the doo doo joints in I just put the super strenght moogs in they are greaseable and made better about 13.+ at rock auto!

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2005 Jeep Liberty CRD D3500 Torque Converter
Tru Trac Rear Diff GDE Eco Tune and Trans Tune
H&R Springs Hella headlights and foglights
Rigid Industries Specter series Led light
Bilsteins P245/75/16 LTX MS2 Michelins Samcos
Perimeter alarm and Smith & Wesson M&P .40
I live by Detroit !

Yeah I replaced the u joints with precision super strengths from O'Reilly and its all good.

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OME 2790/2948 Rancho all around
JBA strut plates with clevis lift
2 extra rear upper isolators and one extra lower
Front sits 23
Rear sits 22 3/4
265 75 16 Maxxis Big Horn MT
GDE Hot Tune
Bumper trimming up front