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Thread: Front suspension rattle

  1. #11
    Join Date
    Jan 1970
    Location
    NSW SW Slopes
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    After 3 years and more than 60K kms I've finally fixed the metallic rattle on the driver's side that has occurred at slower speeds on bumpy surfaces. The outer shell of the bush on the rear arm was contacting the chassis bracket when the wheel was pushed back by a bump because of insufficient clearance between the bush's centre and the outer shell, due to the centre being offset to the outer shell. Skimming the edge of the bush with an angle grinder to provide more clearance did the trick. I could not see a mark on either the bracket or the bush where contact was made and there appeared to be plenty of static clearance to avoid contact, but a hefty kick of the wheel caused the clang at that point.

    The thumping from both sides persists but there is at least a 5 mm gap between the bump pad forward of the centre section and the centre section of both left and right bushes whereas there is no gap in pictures of new bushes. Time for new bushes!
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi

  2. #12
    Join Date
    Jan 1970
    Location
    NSW SW Slopes
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    11,475
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    New Lemforder rear (upper arm?) bushes in both sides has cured the previously constant rattle over small bumps. The originals were significantly worse than they appeared.
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi

  3. #13
    Join Date
    Jan 1970
    Location
    NSW SW Slopes
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    Quote Originally Posted by justinc View Post
    Strut top bearing? Is it ok on the highway on les sharp bumps? Worse at low speed on sharp bumps?

    Jc
    The top bearing on the replaced left air-spring certainly rattles if the air-spring is shaken! The replacement not nearly so but it could contain grease that is damping its looseness.
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi

  4. #14
    Join Date
    Jan 1970
    Location
    NSW SW Slopes
    Posts
    11,475
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    0
    The rattle was caused by a worn ball-joint in the RF forward suspension arm. The rattle that has existed since I purchased the vehicle 3 years ago with under 19K kms on the odometer is no longer - silence is golden!
    MY12 RRV 4.4 TDV8 AB, +LLAMS, +e-diff, +ACC stop/go. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi

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