CFB
Member Since: 02 Dec 2005
Location: Bradford, West Yorkshire
Posts: 6100
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Noticed recently on some motorway runs that I hear a roar from the engine that sounds like the noise you get from the fan when starting out from cold in a morning. Only happens on long uphill legs so am wondering if the fan would intentionally kick in to keep the engine cool under these conditions? Assumed it was always going but running silently?
No other symptoms other than the fact that mpg seems to have dropped.
Any ideas? 2020 BMW X1 18d XDrive X-Line Auto
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 24th Sep 2008 3:48 pm |
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Bodsy
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Member Since: 06 Nov 2006
Location: In the Clubhouse
Posts: 21361
 
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Probably your intercooler a bit blocked up with crud. 3 hours of a hose through should sort it out.  Bodsys Brake Bible
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| 24th Sep 2008 3:51 pm |
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CFB
Member Since: 02 Dec 2005
Location: Bradford, West Yorkshire
Posts: 6100
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I'll take a look at it, cheers 2020 BMW X1 18d XDrive X-Line Auto
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| 24th Sep 2008 3:53 pm |
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Bodsy
Site Sponsor
Member Since: 06 Nov 2006
Location: In the Clubhouse
Posts: 21361
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Do a search for BCB's posts, aolthough he removed the whole front end, there's also a post on how to do it withoiut taking the bits out. Can't remember who posted that one though....  Bodsys Brake Bible
D4/D3 Remote FBH heat kits
BAS Remaps/ EGR Blank
Transmission Flush
Software updates/enabling
Clock/ SNOTM /3Flash / 4x4Info /BT Update /Service Reset/Error Codes / Gearbox Reset
See It Here
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| 24th Sep 2008 3:55 pm |
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CFB
Member Since: 02 Dec 2005
Location: Bradford, West Yorkshire
Posts: 6100
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Any info on how best to clean it would be appreciated, would rather do it in situ than take pipes out, Can I not use a pressure hose to clean it if I soak it first with a low pressure jet to soften the dirt? I know you have to be careful not to damage the fins. 2020 BMW X1 18d XDrive X-Line Auto
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| 24th Sep 2008 4:13 pm |
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Bodsy
Site Sponsor
Member Since: 06 Nov 2006
Location: In the Clubhouse
Posts: 21361
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I think the issue is that you need the water to flow through the reverse of the way the crud has come in, so you need to get it out backwards. Pressure hose will damage it. It has been doen in situ, but you need to take the fan out (ISTR) to do it properly. Bodsys Brake Bible
D4/D3 Remote FBH heat kits
BAS Remaps/ EGR Blank
Transmission Flush
Software updates/enabling
Clock/ SNOTM /3Flash / 4x4Info /BT Update /Service Reset/Error Codes / Gearbox Reset
See It Here
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| 24th Sep 2008 4:18 pm |
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CFB
Member Since: 02 Dec 2005
Location: Bradford, West Yorkshire
Posts: 6100
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Cheers sent him a PM 2020 BMW X1 18d XDrive X-Line Auto
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| 24th Sep 2008 4:28 pm |
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bobbycrispbox
Member Since: 15 May 2006
Location: Where women glow and men plunder
Posts: 2580
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Latest wisdom on the subject is that you can do it by just removing the top pipe out of the air filter and the top fan cover. Then there's enough room around the fan to get a low pressure hose in to remove the muck from the engine side (i.e. back the way it came instead of trying to get it all the way through the rads / intercooler.
Taking the fan off can be hard work, without LR's 'special tool'
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| 24th Sep 2008 5:14 pm |
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CFB
Member Since: 02 Dec 2005
Location: Bradford, West Yorkshire
Posts: 6100
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Just had look and it is pretty gunked up, reckon most of it got in prior to fitting the mantec as it is very exposed that way (i.e. with the original plastic cover removed) 2020 BMW X1 18d XDrive X-Line Auto
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| 24th Sep 2008 5:19 pm |
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buzz
Member Since: 19 May 2006
Location: lancashire
Posts: 585
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andy, mine makes the same noise when towing and the engine is under load.....put it down to normal operation of the fan.
buzz Gone.......but not forgotten
06 Zermatt 7 seat auto with PDC and privacy
Club £400 V.E.D.
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| 24th Sep 2008 5:26 pm |
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ronp
Member Since: 29 Nov 2006
Location: North Yorkshire
Posts: 15214
 
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Should this get done as part of a routine service ??? I was a normal heterosexual chap, but in these new woke awakenings I now identify as a Wardrobe.
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| 24th Sep 2008 5:26 pm |
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craig
Member Since: 08 Aug 2006
Location: Home of LR.
Posts: 2545
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IT is included in the Arduous Service Schedule service Ron - but standard service doesn't have it in
Cleaned mine out by taking off the top air filter hose and then oving the fan shroud and gently hosing it down for a few hours with a soft paintbrush to loosen up some of the crud.
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| 24th Sep 2008 5:44 pm |
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npinks
Member Since: 31 Jan 2008
Location: Leeds
Posts: 1943
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I have noticed the fan on my FL2 TD4 seems to be kicking in more than i recall it doing when i first got it.
Been one of those chaps who only knows were the diesel, oil and washer fluid goes
Should i be looking a rinsing anything out, not that its been through anything apart from Tong Lake 
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| 24th Sep 2008 7:07 pm |
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NJF
Member Since: 05 Oct 2007
Location: Gone
Posts: 2466
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craig wrote:It is included in the Arduous Service Schedule
I've seen this service mentioned before in respect of the EPB. But what constitutes arduous service, and how much would such an inspection/service cost at LR? Is it a set of additional checks in addition to a standard service?
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| 24th Sep 2008 7:29 pm |
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