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Thread: clunking noise. need help asap

  1. #1

    clunking noise. need help asap

    Ok so I was driving down the highway last night and started to gert a thunking noise that sounded like it was comming from behind the drivers seat. I thought maybe I blew a tire. Stopped and all the tires were ok. Started driving again and it came back. Its speed dependent. I got the car towed home and looked at it today. On the inner half shaft, the uper cv joint was destroyed. i thought ok cool. Swapped out the inner half shaft and test drove it. Problem was still there. I got under the car and noticed I have some decent vertical play in the carrier bearings but couldn't get it to make contact with anything or any noise or see where it was making contact. Before this I would get a single thunk when I would take off. I did try the zip tie fix on the carriers but it didnt fix it. Do you think its the carrier bearings

  2. #2
    Twin Turbo verified
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    Check the first uni joint on the tail shaft. The one just after the transfer case. Mine failed and caused bad vibrations. I also had shuddering and thumping when my rear engine mount went.

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    1990 JDM GTO TT with Vi-PEC plug-in V44 EMS, TD04-13T's, 3SX Downpipe, MP Hi-flow cat, ARC SMIC's, Aeromotive Stealth 340LPH pump, Fuelab 515 FPR, Ninja Performance 75amp hotwire kit, oohnoo fuel loop & rail adapters, Nylon braided ethanol fuel line, NGK AFX Wideband, K&N FIPK, Iridium plugs, HKS Twin Power DLI, Turbo XS racing BOV, 3SX poly mounts, Custom 280km/h speedo.

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    Injector Dynamics 725cc Injectors.

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  3. #3
    I have solid mounts so I know its not that. Gonna get a New drive shaft and see

  4. #4
    ok so Ive replaced the drivers rear half shaft with a used one and the drive shaft with an almost new on. still makes noise

  5. #5
    So my half shaft was completely destroyed. I finally got a key for my lugs today. Took the tires off to look at the breaks. Nothing. So I put the tire on and drove it for my room mate to listen, NOTHING. So all I can think is all the vibration was enough to loosen the tire. I dunno since it felt solid.

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