Landcruiser 79 series sound deadening
Submitted: Monday, May 27, 2019 at 14:15
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Member - Coyote
Hi, I have a 79 series single cab and I am thinking of getting sound deadening. I have heard 2 stories regarding this, both contradictory, but no products were mentioned. Anyone with first hand experience?
Reply By: David G (WA) - Monday, May 27, 2019 at 14:32
Reply By: Hoyks - Monday, May 27, 2019 at 17:40
Monday, May 27, 2019 at 17:40
I went nuts with spray-on body deadener in a Suzuki Sierra years ago.
I'd highly recommend it as it made the Sierra sound like a solidly built vehicle with minimal effort. I sprayed the middle of the door skins, sides and under the bonnet and it made a dramatic improvement as it eliminated the skins working like drum skins and amplifying the vibrations and rattles. I kept it away from the seams and drains so I didn't entrap water.
Down side was it stank like solvent for months.
If going again I'd use self adhesive pads as shown above, it makes a massive difference.
https://www.youtube.com/watch?v=7oxiDu3Bhdo
AnswerID:
625791
Reply By: rumpig - Monday, May 27, 2019 at 17:55
Monday, May 27, 2019 at 17:55
I had dynamat installed in all 4 doors on my VDJ79 when I had my stereo upgraded, it made a massive differance (for the better) to vehicle road noise. First thing I noticed was how much heavier the door felt when I opened it, I don't notice that anymore though...but going on the extra weight of the door alone, I'd be reluctant to do the entire floor or even the roof as I have heard of others doing.
AnswerID:
625792
Reply By: Walter B - Tuesday, May 28, 2019 at 08:08
Tuesday, May 28, 2019 at 08:08
G'Day Coyote,
I went with the dynamat in one vehicle and the other in my current. Both work extremely
well and the only consideration I would have nowadays is the weight issue. One brand offers a lighter option which might be of interest and if you just want sound deadening keep in mind you don't need to cover the whole area as the system works with just small areas covered. If however you also want heat sealing than you will need to cover as much as possible. Have a really good read of how the product can be used, I am very happy with the result with just small patches as per their instructions.
Cheers Walter
AnswerID:
625808
Reply By: swampy - Tuesday, May 28, 2019 at 11:47
Tuesday, May 28, 2019 at 11:47
hi
You will need to sound deaden
floor up and behind dash as much as possible.
rear wall up till the bottom of the rear window
behind door skins optional
stick down bitumen
or
spray on "3M" stone guard [donot use imitation stuff ]
AnswerID:
625813
Reply By: Member - Coyote - Tuesday, May 28, 2019 at 13:39
Tuesday, May 28, 2019 at 13:39
thanks for all the inputs. No one has said it is a waste of time, effort and money, so that is a great start. The weight issue is nice to know about before I go further, which I will. We have a number of 8 - 10 hour days behind the wheel soon, might find it more pleasant. Safe travels
AnswerID:
625815
Follow Up By: Allan B (Sunshine Coast) - Tuesday, May 28, 2019 at 16:34
Tuesday, May 28, 2019 at 16:34
.
Coyote, I have a 78 series (troop carrier) and some years back decided to install Dynamat sound damping to the cab. When it arrived I was alarmed at the amount of weight I would be adding to the already heavy vehicle. I changed my mind and donated it all to a 'worthy friend'.
Earplugs are cheaper and lighter. lol
FollowupID:
899437
Follow Up By: Michael ( Moss Vale NSW) - Tuesday, May 28, 2019 at 17:19
Tuesday, May 28, 2019 at 17:19
I opted for earplugs Allan but not for the same problem! They work! Michael
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Reply By: Member - Coyote - Tuesday, May 28, 2019 at 17:35
Tuesday, May 28, 2019 at 17:35
did you have a whiney noise in the Nissan?
AnswerID:
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Reply By: Member - Coyote - Tuesday, May 28, 2019 at 17:39
Tuesday, May 28, 2019 at 17:39
Hi Michael, did you mean the sound deadening doesn't work?
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Reply By: Sludgie W.A - Tuesday, May 28, 2019 at 17:42
Tuesday, May 28, 2019 at 17:42
Hello coyote, 2 years ago I did my single cab with dynamat. Did the doors ,floors roof, behind the seats and anywhere I could stick the dynamat. All up cost about $450 and was some of the best money I've spent on the ute. I did try products from Jaycar at first however they were lighter and not as effective and not that much cheaper.
It can be slightly messy because of the sticky backing and took approximately 6 hours to remove everything , fit the product and put it all back together. Makes the ute so much quieter to drive. I purchased
mine from Autopro.
Regards Sludgie
AnswerID:
625823
Reply By: 1199 - Friday, May 31, 2019 at 07:10