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S40 / V40 '96-'04 General Forum for the Volvo S40 and V40 (Classic) Series from 1995-2004. |
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Soundproofing T4Views : 1352 Replies : 4Users Viewing This Thread : |
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Sep 20th, 2008, 19:06 | #1 |
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Last Online: Feb 16th, 2009 22:55
Join Date: Dec 2007
Location: Wootton Bassett
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Soundproofing T4
Hi there,
I'm still researching the best route to sound proof my '02 T4. I have changed to Toyo Proxes and Optilined to reduce noise as best as possible. I have recently been driven in an older S40 diesel and it was much quieter. My take on the reasons for the noise I get on the motorway are:
So all in all, sound proofing seems the way forward. I have checked out Dynamat Original, Dynamat Xtreme, FatMat, RattleMat etc. The thickest of these is RattleMat at around 2mm thick. With shipping, enough of this to soundproof my car would cost around £150 and more like £180 if it gets stopped at customs and duties added. www.noisekiller.co.uk will send all the materials required at £180 or £345 for a custom 'design and fit'. I have had a pack of materials from them and they have a Dynamat equivalent that is around 3mm thick. I do want to check with them about the properties of the material they use as most use a black butyl/bitchumen type material faced with aluminium, the noisekiller version seems more rubber based. They also have barrier mat material for the floor pans and under the seats, and a different material again for under the bonnet. Anyhow, it seems that the complete materials that they supply match or exceed what I would pay for the Dynamat equivalent alone. I need to check with them exactly what they will install and where - they were concerned about taking the door trims off last time I spoke with them but I have since got a Haynes manual and it seems simple enough. I also want to check how much material they will put in each place - a colleague of mine had the boot on his Mondeo soundproofed for an ICE installation but in reality they just put a couple of patches of it in the spare wheel cavity and other places. Has anyone else undertaken soundproofing and what kind of results did you get? Also, has anybody taken the 4 door trims off? Is there enough room to work to degrease ready to adhere the soundproofing material? Are there any particularly delicate parts I need to take care of when working inside the door cavities? On another note, I am planning to re-chip via MTE in the future, should give about 40bhp more - any idea what this would mean for the noise of the engine. I might also consider moving up to larger wheels....again, any idea how much difference this would make to the noise levels? Any advice gratefully received...and of course I will report my findings and pics of the before and after install once I finally get it done..... Cheers, Andy |
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