HKS hypermax coils / wierd knocking sound

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adrianfromthecastle
Posts: 18849
Joined: Wed Jun 29, 2005 5:36 am
Car: 1992 Nissan 240sx
Location: California

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i just installed my hypermax coilovers, and everytime i run over something (like a crack or speed bump), esp at low speeds (i.e. in parking lot), i hear knocking sounds right under my feet. i'm pretty sure i tightened the coils and where it bolts in, what can the sound be?
Modified by adrians_s13 at 3:15 PM 5/30/2006


Bronze MFP
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Car: 1987 Nissan 300ZX w/digital dash radness
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are your tension rod bushings shot? thos will knock, other than that just check to make sure all the suspension bits are bolted to the car like they should... also check the exhaust, if you have a flex section, it might alow it to knock the underside of the car if your ehaust hangers are old and worn

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adrianfromthecastle
Posts: 18849
Joined: Wed Jun 29, 2005 5:36 am
Car: 1992 Nissan 240sx
Location: California

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Bronze MFP wrote:are your tension rod bushings shot? thos will knock, other than that just check to make sure all the suspension bits are bolted to the car like they should... also check the exhaust, if you have a flex section, it might alow it to knock the underside of the car if your ehaust hangers are old and worn
bushings are shot, but it isnt that noise, i know that noise pretty well, and it isnt that.


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