What the heck is that sound?!?!? - Toyota FJ Cruiser Forum
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#1 (permalink) Old 01-18-2009, 12:12 AM
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What the heck is that sound?!?!?

K so..we installed a RC 6" lift on the FJ a few weeks ago, went good, to it to Toyota, had them mount the tires and check things out. Alls clear! Now here's the thing...
When I am in a tighter turn with a bump or even slight bump, Im hearing a loud sound coming from the drivers side wheel/suspension area, along with the wierd loud sound, a warning beep comes from the dash. No lights come on, just a sharp beep....kinda bizzare. Now Im guessing the loud noise means its hitting the bump stop and maybe tugging on the ABS sensor which is causing the warning beep. Can anyone figure this out? I know its hard without not hearing these sounds and me trying to describe them but maybe someone has heard noises too....or something similar.
Anyone?!
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#2 (permalink) Old 01-18-2009, 12:20 AM
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Re: What the heck is that sound?!?!?

Have you actually stuck your head in to look for the spots it is rubbing/hitting?

How big a tire are you running? Have the body mount chop done?

My guess is that you're catching the body mount, or part of the wheel well. I have theories for the beep too, but none good enough to throw out.
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#3 (permalink) Old 01-18-2009, 12:33 AM
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Re: What the heck is that sound?!?!?

perhaps an abs or trac warning from a difference in wheel speed? rare but possible. maybe an abs sensor is getting pinched. does the tire rub or come close to rubbing at any point in the turn?
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#4 (permalink) Old 01-18-2009, 01:57 AM
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Re: What the heck is that sound?!?!?

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mgdavis previously said: View Post
Have you actually stuck your head in to look for the spots it is rubbing/hitting?

How big a tire are you running? Have the body mount chop done?

My guess is that you're catching the body mount, or part of the wheel well. I have theories for the beep too, but none good enough to throw out.
Yeah we looked in there. There is markings from the bump stops hitting. And yes we did the body mount chop.
We are running Dick Depek 315/75R/16's
We cant see anyother place that its hitting. I may just be paranoid about the noise, because it was so smooth and quiet when it was stock...lol. Now it pops and beeps and cusses at me.
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#5 (permalink) Old 01-18-2009, 02:00 AM
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Re: What the heck is that sound?!?!?

Quote:
Briman42487 previously said: View Post
perhaps an abs or trac warning from a difference in wheel speed? rare but possible. maybe an abs sensor is getting pinched. does the tire rub or come close to rubbing at any point in the turn?
We were thinking it was the ABS sensor too. No lights come on, it just makes a short high pitched beep....maybe saying "ouch"....or "You son of a honkey, dont turn so tight"...I dont know. If only FJ's could talk.
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#6 (permalink) Old 01-18-2009, 03:30 AM
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Re: What the heck is that sound?!?!?

It is the Inclinometer warning beep , telling you the truck is at an extreme angle.

My truck does the same thing when I make a hard U-turn.

The body rolls and the frame contacts the side biters on my tires.

I have the body chop mod

With tiny rear swaybar and the johnny joints that Rough County uses it allows the body to roll easier.

I installed shock bushing in between the rear trailing arms and frame brackets because the arms where flopping over sideways and contacting the brackets. (noisy)

I notice that truck is more stable at highway speeds and has less body roll.

2008 TT Edition
6" Rough Country Lift w/ Radflo Coil Overs
Camburg UCA,Rocky Mountain Driveline Drive Shaft
35" Toyo Open Country AT2 on 17x9 DC1 Wheels
TRD Cold Air Intake, Pioneer AVH-X5600BHS
ARB Front Bumper w/Bulldog 8K Winch
Expedition One Rear Bumper with SwingOut Tire Carrier
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#7 (permalink) Old 01-18-2009, 04:03 AM
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Re: What the heck is that sound?!?!?

Maybe the H3 drivers are trying to sabotage you.

GO D.O.
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#8 (permalink) Old 01-18-2009, 04:08 AM
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Re: What the heck is that sound?!?!?

Traction control. inside tire either comes off road or rubs and slows..either way slower wheel bumps on traction control. you'll see a brief yellow swerving car light on dash.
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#9 (permalink) Old 01-18-2009, 08:50 AM
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Re: What the heck is that sound?!?!?

How aggressive did you get with the chop? Also, look at the fender flares and see if you are rubbing there. I had to do the chop three times before I finally got it rub free under all conditions. Also had to do a bunch of trimming to the plastic fender flares and remove the mud flaps. Have any pics of your chop?

Mitakuye Oyasin.
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#10 (permalink) Old 01-18-2009, 10:18 AM
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Re: What the heck is that sound?!?!?

I was thinking along the lines of Toledo FJ... and DominicG... just kidding about the 2nd part.

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