2006 Jeep Liberty Part Time 4WD Light

xrey

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My wife’s 2006 Jeep Liberty 3.7L V6 has a new problem. The grinding noise from 40mph to 55mph didn’t disappear after replacing struts, CV joints, and both hubs. New brakes too. Now, the Part Time 4WD light came on. What could it be? 4 WD shifter is not engaged. Any help or suggestion appreciated.
 

LibertyTC

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I'd get it on a lift, and place it in drive, and listen to where grinding noise may be coming from with inspection. Front prop shaft inspect.

Re : Part time light- Transfer case position switch.
https://www.jeepkj.com/threads/how-to-change-transfer-case-position-switch-v2-0.63327/
Have you recently engaged or selected any 4x4 modes?
When u turn steering wheel on ground while driving, does it feel like it is binding in a turn?
Rear diff gear oil, spec is drop diff cover every 20- 35k miles.
I use lucas 85w-140 dino gear oil- do not use synthetics in rear diff.
Transfer case is ATF +4 , remove fill plug, ensure it is not leaking / near full.
Front diff- dino too, is it near full?
 

LabRat

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I'd get it on a lift, and place it in drive, and listen to where grinding noise may be coming from with inspection. Front prop shaft inspect.

Re : Part time light- Transfer case position switch.
https://www.jeepkj.com/threads/how-to-change-transfer-case-position-switch-v2-0.63327/
Have you recently engaged or selected any 4x4 modes?
When u turn steering wheel on ground while driving, does it feel like it is binding in a turn?
Rear diff gear oil, spec is drop diff cover every 20- 35k miles.
I use lucas 85w-140 dino gear oil- do not use synthetics in rear diff.
Transfer case is ATF +4 , remove fill plug, ensure it is not leaking / near full.
Front diff- dino too, is it near full?
Agreed. Any holes in that pesky prop shaft boots?
 

GreenJeep06

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My wife’s 2006 Jeep Liberty 3.7L V6 has a new problem. The grinding noise from 40mph to 55mph didn’t disappear after replacing struts, CV joints, and both hubs. New brakes too. Now, the Part Time 4WD light came on. What could it be? 4 WD shifter is not engaged. Any help or suggestion appreciated.
There is a position sensor just under the shift cover. It’s on top in the cabin.
 
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