Author Topic: What's that sound?  (Read 1285 times)

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Offline jfrabat

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What's that sound?
« on: October 15, 2010, 03:34:07 PM »
OK, this is not my Jeep, but a fellow club member posted this in my Costa Rican club, and he's asking what the source of the noise at 0:23 and 0:30 could be; I figured i'd ask you guys to help him ID the sound as well...

<a href="http://www.youtube.com/v/Pyo1p3MwFBU?fs=1&amp;amp;hl=en_US" target="_blank" rel="noopener noreferrer" class="bbc_link bbc_flash_disabled new_win">http://www.youtube.com/v/Pyo1p3MwFBU?fs=1&amp;amp;hl=en_US</a>

Felipe
'94 YJ 2.5L with 4" RE lift, Superwinch EPi9.0, FoMoCo e-Fan, SD30 and SD35 w/ARB-5.13, 165A alt., 33" BFG KM2 on 15" AR wheels, Sony sound system, Pavement Ends Hardtop, Hydroboost

Offline chardrc

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Re: What's that sound?
« Reply #1 on: October 15, 2010, 03:38:04 PM »
my guess would be tire hitting the coil spring.
1990 YJ 4cly, ax5, 2.5 inch BDS lift, 31 MTr\'s,  Powertrax-lockers all around, track-bars removed, boomerang shackles, warn m8000 winch, electric fan. [sold but not forgotten]

2007 jk Rubicon 2dr

Offline Jeffy

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Re: What's that sound?
« Reply #2 on: October 15, 2010, 04:43:44 PM »
my guess would be tire hitting the coil spring.
It does sound like the lug of the tire catching something.  I can't tell if it's the front or rear.  His front isn't really turned that much but with the compression it could be catching the fender lip or coil.
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Offline sharpxmen

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Re: What's that sound?
« Reply #3 on: October 15, 2010, 06:20:28 PM »
can it be a locker skipping?
'95 YJ, NSG370 6spd / Hurst shifter, Dana 300 + 4:1 Doubler / tri-stick, Custom skid, Super D35 / Auburn LSD / 4.88, 35x12.5x15 BFG KM2, 64mm t/b, 1.7 RollerRockers, MkVIII e-fan, Dual Diaph Booster
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Offline Jeffy

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Re: What's that sound?
« Reply #4 on: October 15, 2010, 08:03:26 PM »
can it be a locker skipping?
Could be...  Depends on what kind of lockers he has.  I would guess some sort of Lunchbox for that kind of noise.
Youtube Channel: https://www.youtube.com/channel/UCZNlr60GXH5OlKIFrT7P6mg
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"If the motor car were invented today, there is absolutely no way that any government in the world would let normal members of the public drive one."

Offline jagular7

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Re: What's that sound?
« Reply #5 on: October 18, 2010, 09:22:59 AM »
Sounds like the inside tread locks rubbing against the sway bar/links, rubbing the front fender behind the blinker, rubbing the upper portion of the fender/flare, etc. It appears to happen when at full compression and turning the tires to the left.

If it happens more turning left than right, then the axle is not centered under the frame at static height. When you add lift and not readjust the track bar to recenter the axle under the frame, the axle is drawn to the driver's side because of the fixed track bar length. To add, he's using stock rims and larger width tires. (Didn't see any evidence of wheel spacers. Take a look of the rear inner well and upper coil mount. With too much width tire on stock rims, he'll have rubbing there as well during cycling.)
Jagular7
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Offline Bounty Hunter

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Re: What's that sound?
« Reply #6 on: October 21, 2010, 11:55:42 AM »
Sounds like the front right tire rubbing hard, definitely could benefit from proper length bumpstops.