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04-25-06, 01:50 PM
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#1 |
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IH8MUD Junior
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Tech Question - What is the grinding-clicking noise you hear when A-TRAC is active ?
Does anyone know exactly what causes the grinding-clicking noise you hear whenever A-TRAC is engaged and is actively controlling wheel spin ?
Does this noise happen by design, letting you know it's active ? Is it just a by-product of the ABS system, and if so, what is actually happening to make the click/grinding sound? Is it in any way destructive or should it be a cause for concern during extended use of this system ? Thanks Last edited by logic2; 04-25-06 at 03:19 PM. |
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04-25-06, 02:29 PM
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#2 |
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IH8MUD Junior
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Some of the noise comes from the brake servo motor, some comes from the brakes, like ABS.
I believe that the the rest of the noise comes from the tranny/t-case as it loads and unloads during the operation of the a-trac system. I dont think it would hurt anything for the short time that it's used. |
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04-25-06, 04:00 PM
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#3 |
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IH8MUD Lifer
Join Date: Jun 2003
Location: Raleigh, NC
Posts: 2,114
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See above.
uzj100 __________________ 00 - UZJ100 - D Light Mod, 2 FRB's, Husky Liners, BFG AT KO - 285/75 R 16 03 - UZJ120L http://insea.tv/Home/Home.html |
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04-25-06, 05:24 PM
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#4 |
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IH8MUD Junior
Join Date: Apr 2006
Posts: 105
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It is the sound of it working
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04-26-06, 12:44 AM
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#5 |
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IH8MUD Regular
Join Date: Mar 2006
Location: Raleigh, NC
Posts: 392
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yeppp like he said when I first used A-TRAC i thought I had fucked up my Tranny but then it drove nice on the highway so I was like wtf?
It's like a grinding/clicking ABS noise.. not pretty but hey it's the way ti works |
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04-26-06, 11:50 AM
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#6 |
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IH8MUD Rookie
Join Date: Mar 2006
Location: Henniker, NH
Posts: 20
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A-Trac & Roof Rack...
I got my FJC on 4-7-06 and haven’t even tried out the A-Trac. Well at least when I do now I won’t freak when I hear it do its thing…
Has anyone noticed a rattling sound from the roof rack at highway speeds? I can’t find anything loose but at 65-80 there it is…. Wonder if it’s air turbulence through the rack flexing the roof sheet metal? |
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04-26-06, 12:04 PM
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#7 | |
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Admin
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Quote:
welcome
__________________ Brian 'woody' Swearingen 1974 FJ40 'The Raisin' - Pitbull Rockers, 30-spline Longfields, SOA - 1/4 ellip 1996 FZJ80 'Gretchen' - MetalTech, ARB, OME, IPOR, 4x4Labs 2003 2500HD Duramax - Edge/Juice/Attitude, 285 Nitto Terra Grapplers, 4" exhaust Forum Questions? Click Here! 'America will never be destroyed from the outside. If we falter and lose our freedoms, it will be because we destroyed ourselves.' Abraham Lincoln |
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04-26-06, 08:01 PM
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#8 |
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IH8MUD Rookie
Join Date: Mar 2006
Location: Henniker, NH
Posts: 20
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Thanks for pointing me over there Woody.
__________________ 2007 FJC 1987 Bronco XLT 1999 Explorer. I need more play time! http://www.voltsandboltsonline.com |
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