AVGeek99
Well-Known Member
- First Name
- Chris
- Joined
- Aug 24, 2021
- Threads
- 30
- Messages
- 527
- Reaction score
- 733
- Location
- Delano, MN
- Vehicle(s)
- 2021 JLUR, 2021 Sahara 4xe (wife's)
- Thread starter
- #16
Does this grinding noise only occur while in 4WD (hi or lo)? Is it a constant grind or does it come and go as the driveline turns?Numerous members have already answered why it was hopping, normal 4WD operation. The grinding noise is the ABS (Anti-Lock Break System) solenoids working the BLD (Break Lock Differential). Even on a Rubicon, the BLD is always active unless the axles are locked. It vibrates the steering wheel and the pedals because the ABS module is under the hood right in front of the driver side dashboard.
What you describe kind of sounds like what is going on with mine. However when I was at Poison Spider the grinding was very pronounced. Yesterday, it was there but easy to miss if you weren't listening for it.
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