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The Terminator
Suspension Modifications
Rear Clunking
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<blockquote data-quote="exdeath" data-source="post: 8186984" data-attributes="member: 56343"><p>Possible sources of shifting (movement) clunk noises in the IRS:</p><p></p><p>-control arm bushings</p><p>-sub frame mounts</p><p>-differential mounts</p><p>-spring isolators</p><p>-upper and lower shock mounts</p><p>-sway bar bushings and end links</p><p>-12mm subframe bolts</p><p>-shock itself</p><p>-cross axis joints</p><p></p><p>Basically consider everything that is allowed to move or have play.</p><p></p><p>Without spring isos you have metal on metal and if the spring binds and wants to rotate as it compresses, it can make popping noises. Only way to get rid of that is isolators or go to coil overs which have needle bearings at the upper and lower spring perches to eliminate spring binding.</p><p></p><p>Suspension noises are a pain to troubleshoot as you can't exactly simulate thousands of pounds of forces in the wheel with the car in the air.</p></blockquote><p></p>
[QUOTE="exdeath, post: 8186984, member: 56343"] Possible sources of shifting (movement) clunk noises in the IRS: -control arm bushings -sub frame mounts -differential mounts -spring isolators -upper and lower shock mounts -sway bar bushings and end links -12mm subframe bolts -shock itself -cross axis joints Basically consider everything that is allowed to move or have play. Without spring isos you have metal on metal and if the spring binds and wants to rotate as it compresses, it can make popping noises. Only way to get rid of that is isolators or go to coil overs which have needle bearings at the upper and lower spring perches to eliminate spring binding. Suspension noises are a pain to troubleshoot as you can't exactly simulate thousands of pounds of forces in the wheel with the car in the air. [/QUOTE]
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