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DISCO3.CO.UK > Technical (D3)

Auto Transmission Noise in Manual Gear 3

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10forcash

Member Since: 09 Jun 2005
Location: Ubique
Posts: 16534

2007 Discovery 3 TDV6 HSE Manual Zermatt Silver

Auto Transmission Noise in Manual Gear 3

TSB LA307-001
"A customer may report a concern of an unusual noise from the transmission/drive line when driving with manual gear 3 selected under light throttle applications between 1500-2000rpm. The noise may be described as a 'scraping' or 'dry bearing noise' but is not apparent in 'D' (drive) or other gears.

Cause: Under certain specific conditions, the torque converter causes an undetectable vibration which causes the transfer box drive chain to shake, resulting in the noise.
Action: On a customer concern basis only regarding the above, refer to the Service Procedure detailed in this bulletin to update the transmission control module software."

21st Mar 2006 11:31 am

k1w1

Member Since: 02 Jan 2006
Location: High Wycombe
Posts: 90

2005 Discovery 3 TDV6 HSE Auto Zambezi Silver

Thanks for that!

21st Mar 2006 12:50 pm

10forcash

Member Since: 09 Jun 2005
Location: Ubique
Posts: 16534

I take it that you get this issue then?
it's amazing what can be fixed by a software update!

21st Mar 2006 12:56 pm

Sonic3d

Member Since: 22 Nov 2005
Location: Ross on Wye Herefordshire
Posts: 872

2008 Discovery 3 TDV6 XS Auto Stornoway Grey

I had a similar noise this weekend on mine

I can resist everything except TEMPTATION
Can Am Commander 1000XT
Seen the light and bought a 4Motion T5

21st Mar 2006 12:57 pm

10forcash

Member Since: 09 Jun 2005
Location: Ubique
Posts: 16534

are you sure it wasn't the metro in the car park

21st Mar 2006 12:58 pm

k1w1

Member Since: 02 Jan 2006
Location: High Wycombe
Posts: 90

I did hear that noise, yes, but rarely use manual mode so thought I'd mention it at next service. It obviously sounds worse than it actually is - it sounds quite nasty. Yes, it is amazing what s/w can fix.

Now I can go at thim with the solution, as well as the problem.

They should pay me for saving their time!

21st Mar 2006 1:00 pm

10forcash

Member Since: 09 Jun 2005
Location: Ubique
Posts: 16534

Maybe they should all have Disco3.co.uk as their hompage 8)

21st Mar 2006 1:17 pm

Penguin

Member Since: 02 Dec 2005
Location: A fun place
Posts: 485

2006 Discovery 3 TDV6 SE Manual Chawton White

10forcash wrote:
I take it that you get this issue then?
it's amazing what can be fixed by a software update!

no no, it's amazing how software and electronics can break down proven mechanics

In a time of chimpanzees, I was a penguin.

www.m-release.com

21st Mar 2006 1:24 pm

Sonic3d

Member Since: 22 Nov 2005
Location: Ross on Wye Herefordshire
Posts: 872

10forcash wrote:
are you sure it wasn't the metro in the car park

Ah i had`nt thought of that

I best go and see if its still under there

I can resist everything except TEMPTATION
Can Am Commander 1000XT
Seen the light and bought a 4Motion T5

21st Mar 2006 1:31 pm

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