Cabin noise
Submitted: Sunday, Jun 22, 2008 at 09:53
ThreadID:
59081
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Member - Glenn G (QLD)
Morning All
I have a GU 2.8 lt DX Patrol, and the navigator does not like the resonance/noise of the motor.She said it is not the volume but the pitch that is annoying.I fitted a solid flywheel a while ago but I did not think it made that much difference noise wise.It does not bother me as I have Tinnitus (ringing in the ears) anyway.I know its a diesel and they are loud but other vehicles dont seem to be as bad ! any thoughts, besides ear muffs.
Cheers
Giffo
Reply By: lancie49 - Sunday, Jun 22, 2008 at 10:15
Sunday, Jun 22, 2008 at 10:15
Can the navagator pin point where the increased noise is coming from ?
Maybe you could add a coupla extra thicknesses of insulation to the front floor area and also the firewall.
How long before someone tells you to turn the radiop up a bit ?
I guess there's no volume control on the new flywheel? (sorry)
Lance
AnswerID:
311579
Reply By: Member - Kiwi B - Sunday, Jun 22, 2008 at 10:18
Sunday, Jun 22, 2008 at 10:18
Glenn,
We have a '98 2.8 ST and find it very quiet. Quieter than any of the 4 cyl versions I've driven. I wonder what condition your engine mounts and exhaust mounts are in. Sounds almost as though you have something touching the chassis or body.
Turbo was getting pretty whiney, in fact we could be travelling on the open road and hit a bit of a bump which would change the noise of the turbo completely. The whistle of the huffer would alter to more like a high pitched chatter which I could hear with "T" ears as
well. A recent turbo overhaul has sorted this problem out.
Good luck sorting it out,
AnswerID:
311581
Reply By: stefan P (Penrith NSW) - Sunday, Jun 22, 2008 at 10:24
Sunday, Jun 22, 2008 at 10:24
must be something up, I have the 2.8 st as
well and it is quieter than 3lt ones.
Maybe the DX has less sound proofing than the ST???
Is the matting on the underside of the bonnet in good cond??
Good luck
Stefan
AnswerID:
311583
Follow Up By: Member - DAZA (QLD) - Sunday, Jun 22, 2008 at 14:04
Sunday, Jun 22, 2008 at 14:04
We recently had a test drive, with DX and a ST, and found the DX
noisy due to the Rubber Floor Mats, we noticed the difference with
the Carpeted Floor in the ST model, it was a lot quiter.
FollowupID:
577578
Reply By: Member - keith P (VIC) - Sunday, Jun 22, 2008 at 11:46
Sunday, Jun 22, 2008 at 11:46
get some good quality carpet floor mats and it should make a big difference
AnswerID:
311602
Reply By: Member - Glenn G (QLD) - Sunday, Jun 22, 2008 at 13:23
Sunday, Jun 22, 2008 at 13:23
Thanks for the replies,I have found that the exhaust pipe is loose at the manifold/dump pipe section.will fix this and see how we go.spoke to a mechanic mate who dropped this morn and he said he had a camry years ago and everyone who travelled in the car for any distance got sick.turned out to be a the exhaust system,he had it replaced and fixed the problem.I may use this as an excuse to get a new
Beaudesert Exhaust !
Cheers
Giffo
AnswerID:
311614
Follow Up By: Member - Glenn G (QLD) - Sunday, Jun 22, 2008 at 13:36
Sunday, Jun 22, 2008 at 13:36
Forgot to add I will get some carpet for the floor !
Cheers
Giffo
FollowupID:
577574
Reply By: Member - Kiwi Kia - Sunday, Jun 22, 2008 at 15:16
Sunday, Jun 22, 2008 at 15:16
Do you have a
snorkel ? And is it on the passenger side ? I know a Hi-Lux that has severe resonance coming from the
snorkel.
AnswerID:
311624
Follow Up By: Member - Kiwi B - Sunday, Jun 22, 2008 at 20:43
Sunday, Jun 22, 2008 at 20:43
Kiwi,
6cyl motors don't appear to have the induction noise problems of 4 cyl motors, especially with a turbo in the circuit, but you're right about the
snorkel up the pillar.
FollowupID:
577653