Possible problem?-Coilovers
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Joined: Nov 2006
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From: England
Possible problem?-Coilovers
I have had a set of coilovers on my car for about 2-3weeks now and have been hearing like a creaking noise coming from the front.
Its very subtle and sounds like rubber being compressed and de compressed, as the car goes over bumps and notches in the road. These can be any size. I have the front wound down to 70mm in height drop. The rear suspension is fine and is 65mm.
I have torqued all the bolts correctly when fitting the coilovers. I dont know if it might be the piston, or something to do with the rubber top mounts binding together, that is casuing the sound.
The car is tracked, and there are no probems with alignment either.
Im sorry to be long winded, but i was just wondering if anyone might be able to suggest some possible causes for the noise. Or have had experience of something similar.
Anything would be of some help. Thanks!
Its very subtle and sounds like rubber being compressed and de compressed, as the car goes over bumps and notches in the road. These can be any size. I have the front wound down to 70mm in height drop. The rear suspension is fine and is 65mm.
I have torqued all the bolts correctly when fitting the coilovers. I dont know if it might be the piston, or something to do with the rubber top mounts binding together, that is casuing the sound.
The car is tracked, and there are no probems with alignment either.
Im sorry to be long winded, but i was just wondering if anyone might be able to suggest some possible causes for the noise. Or have had experience of something similar.
Anything would be of some help. Thanks!
Re: Possible problem?-Coilovers (Initial D14)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Initial D14 »</TD></TR><TR><TD CLASS="quote">I have torqued all the bolts correctly when fitting the coilovers. </TD></TR></TABLE>
When saying "correctly", do you mean you loosened, tightened, and torqued ALL suspension bolts with your car sitting at it's new ride height (not just torqued to spec)? If not, I suggest you do this as the rubber bushings are being over extended creating noise. I've heard of this EXACT problem stemming from the front UCA bushings where they mount to the chassis as these are the toughest ones to reset...
When saying "correctly", do you mean you loosened, tightened, and torqued ALL suspension bolts with your car sitting at it's new ride height (not just torqued to spec)? If not, I suggest you do this as the rubber bushings are being over extended creating noise. I've heard of this EXACT problem stemming from the front UCA bushings where they mount to the chassis as these are the toughest ones to reset...
Thread Starter
Joined: Nov 2006
Posts: 48
Likes: 0
From: England
94eg, thanks for the reply, i have narrowed it down, and as you have mentioned about the bushing's being over extended. I
think it is the top mount and the bushes inside that are surrounding the metal sleeve, on the upper shock rod that are over tightened and is causing the noise as they move.
But i dont see how i can torque the nut on the top mount, as you have to hold the inside with a allen key, obvioulsy this would cause a problem when using a torque wrench. I am just wondering how i could do it.
once again thanks for the help.
think it is the top mount and the bushes inside that are surrounding the metal sleeve, on the upper shock rod that are over tightened and is causing the noise as they move.
But i dont see how i can torque the nut on the top mount, as you have to hold the inside with a allen key, obvioulsy this would cause a problem when using a torque wrench. I am just wondering how i could do it.
once again thanks for the help.
Re: (Initial D14)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Initial D14 »</TD></TR><TR><TD CLASS="quote">94eg, thanks for the reply, i have narrowed it down, and as you have mentioned about the bushing's being over extended. I
think it is the top mount and the bushes inside that are surrounding the metal sleeve, on the upper shock rod that are over tightened and is causing the noise as they move.
But i dont see how i can torque the nut on the top mount, as you have to hold the inside with a allen key, obvioulsy this would cause a problem when using a torque wrench. I am just wondering how i could do it.
once again thanks for the help.</TD></TR></TABLE>
The bushings #7&7 in the upper shock mount #8 cannot be overtightened. As long as you have the upper washer #6, the metal sleeve #13, and the lower washer #14, those 3 parts will bottom out on each other and everything will tighten up perfectly when the top nut #16 is installed. Now if you forgot the sleeve, or one of those washers, your gonna have problems....
think it is the top mount and the bushes inside that are surrounding the metal sleeve, on the upper shock rod that are over tightened and is causing the noise as they move.
But i dont see how i can torque the nut on the top mount, as you have to hold the inside with a allen key, obvioulsy this would cause a problem when using a torque wrench. I am just wondering how i could do it.
once again thanks for the help.</TD></TR></TABLE>
The bushings #7&7 in the upper shock mount #8 cannot be overtightened. As long as you have the upper washer #6, the metal sleeve #13, and the lower washer #14, those 3 parts will bottom out on each other and everything will tighten up perfectly when the top nut #16 is installed. Now if you forgot the sleeve, or one of those washers, your gonna have problems....
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