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Ceekay
Member Since: 17 May 2009
Location: Bury
Posts: 2089
  
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| Tapping Sound (not the usual one) |
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Seem to be getting an intermittent tapping sound from what sounds like behind the front grille. thinking it may be a compressor (prob air con). Can only be described as hitting the side of a baked bean can with a spoon, almost hollow sound. Not always there and have tried switching off the HVAC whilst its occurring but not conclusive yet.
Anyone any similar experience?
(its not the usual hydraulic tappet sound that I had with the D3) D4 HSE Lux MY16 Club Waitomo
D3 HSE MY06 missing her still…
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 3rd Aug 2019 11:03 am |
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grzesiul
Member Since: 11 May 2008
Location: UK
Posts: 6407
 
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you can easy hear it when cleaning AC since cleaning process requires coldest setting and fastest fan speed the heat exchange is massive hence metal expands a lot and you can hear that knocking noise for a while
do you cool yous cabin with AC before ventilating the car by opening windows for a few minutes?
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| 3rd Aug 2019 1:18 pm |
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v8bobber
Member Since: 20 Sep 2010
Location: pembrokeshire, wales
Posts: 95
 
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| Re: Tapping Sound (not the usual one) |
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Ceekay wrote:Seem to be getting an intermittent tapping sound from what sounds like behind the front grille. thinking it may be a compressor (prob air con). Can only be described as hitting the side of a baked bean can with a spoon, almost hollow sound. Not always there and have tried switching off the HVAC whilst its occurring but not conclusive yet.
Anyone any similar experience?
(its not the usual hydraulic tappet sound that I had with the D3)
How regular is the noise, as in once a second or once every few seconds?
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| 3rd Aug 2019 1:25 pm |
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sasdiscos
Member Since: 22 Feb 2013
Location: Northants
Posts: 889
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Any thing like this? You remind me of a younger me, not much younger mind...perhaps even a little older!
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| 3rd Aug 2019 3:15 pm |
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v8bobber
Member Since: 20 Sep 2010
Location: pembrokeshire, wales
Posts: 95
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Well that’s what’s mine sounds like. Maybe mines less pronounced than that.
What is it
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| 3rd Aug 2019 4:28 pm |
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sasdiscos
Member Since: 22 Feb 2013
Location: Northants
Posts: 889
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Viscus fan clutch.
Steve You remind me of a younger me, not much younger mind...perhaps even a little older!
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| 3rd Aug 2019 5:41 pm |
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v8bobber
Member Since: 20 Sep 2010
Location: pembrokeshire, wales
Posts: 95
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That would explain a lot actually. When I piug my nanocom in i get an error message relating to the fan.
Did you change yours or live with it?
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| 3rd Aug 2019 6:54 pm |
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sasdiscos
Member Since: 22 Feb 2013
Location: Northants
Posts: 889
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It works so I have left it for now. I’ll worry when it causes an issue. Just had a week in the new forest in the heat and all was well so not concerned.
Steve You remind me of a younger me, not much younger mind...perhaps even a little older!
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| 3rd Aug 2019 8:31 pm |
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v8bobber
Member Since: 20 Sep 2010
Location: pembrokeshire, wales
Posts: 95
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Are you sure it’s definitely that
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| 3rd Aug 2019 8:50 pm |
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Ceekay
Member Since: 17 May 2009
Location: Bury
Posts: 2089
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Thanks for the replies,
Yes its pretty much the same noise as the video and sometimes it does it and sometimes not.
So not the compressor then but the viscous fan clutch?
Easy fix? Expensive Part?
Can’t hear the crank failing with this noise going on   D4 HSE Lux MY16 Club Waitomo
D3 HSE MY06 missing her still…
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| 4th Aug 2019 11:11 am |
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marsie
Member Since: 28 Feb 2010
Location: Sheffieldish
Posts: 1807
 
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Had the same on mine. Turned out to be a frayed auxiliary belt. The stray strand was hitting against various components on the way round. New belt cured it  Previous Discos
1989 200tdi 3dr
1994 300tdi ES
1995 3.9 ES (x3)
2000 4.0 adventurer
2001 4.0 ES
2005 D3 HSE (zambesi silver)
2007 D3 SE (Lugano teal)
2011 D4 XS (Baltic Blue)
2008 D3 HSE PREMIUM (buckingham blue)
2009 D4 XS (Nara bronze)
2006 D3 Metropolis (Java Black)
2012my D4 HSE (indus silver)
2013 D4 XS (Firenze red)
Current 2017 D5 first edition (silicone silver)
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| 4th Aug 2019 7:17 pm |
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robsta
Member Since: 19 Mar 2011
Location: La Lucia, Durban
Posts: 52
 
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Fan Clutch...Very common and mine has been doing it for about 4 years.... Okes at Landy locally say not worth the fix as they have not seen one fail yet.....and we live in a very hot tropical climate. Noise will only be present at idle.
Just a thought.... Previously Freelander II
Previously '08 Disco 3 TDV6 SE
Previously '10 Disco4 TDV / SDV6 HSE
Now: '12 Freelander II SD4 HSE -
Now '11 Disco4 V8 HSE
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| 5th Aug 2019 7:12 am |
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