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nipperblue



Member Since: 19 Feb 2008
Location: huddersfield
Posts: 1

2007 Freelander 2 TD4 HSE Manual Tambora Flame
Cracked Turbo

Anybody had any problems with there Turbo.My FL2 HSE after doing 13000 miles started making a bellowing noise which seemed to be coming from the exaust.Took the landy to the dealer only to be told the Turbo is cracked.

Post #15412 9th Mar 2008 5:44 pm
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Dave



Member Since: 04 Jul 2007
Location: Somewhere Near You
Posts: 2666

Scotland 2012 Freelander 2 SD4 HSE Auto Indus Silver

Shocked Shocked Shocked Hope thats not a sign of things to come with the FL2 Exclamation ______________________
2011 Full Fat RR 4.4 TDV8
2012 FL2 SD4 Auto HSE
2013 Kawasaki Versys 650

Post #15414 9th Mar 2008 6:07 pm
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Gambba



Member Since: 07 Aug 2007
Location: Dubai
Posts: 775

United Arab Emirates 2008 LR2 i6 HSE Auto Stornoway Grey

I wouldn't worry too much as turbocharger construction hasn't cahnged a great deal over the years and they are generally very realiable....but they need to be treated correctly.

A manufacturing defect could cause it to crack, but generally speaking cracks generate due to the failure to allow the turbo to cool after hard driving. 100 mph down the motorway and then pulling into your drive to stop on a regular basis is a sure way to reduce turbo life.

Post #15437 10th Mar 2008 10:55 am
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mjb



Member Since: 30 Aug 2007
Location: Hessen
Posts: 47

Germany 

Gambba wrote:
A manufacturing defect could cause it to crack, but generally speaking cracks generate due to the failure to allow the turbo to cool after hard driving. 100 mph down the motorway and then pulling into your drive to stop on a regular basis is a sure way to reduce turbo life.

Ooops!
How long should it cool for then? - Mike

Post #15440 10th Mar 2008 11:04 am
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Gambba



Member Since: 07 Aug 2007
Location: Dubai
Posts: 775

United Arab Emirates 2008 LR2 i6 HSE Auto Stornoway Grey

On TD motors it normally isn't too much of an issue and the "word on the street" has always been to take the last 5-10 minutes of a drive relatively easy.

After stopping and switching off teh engine a pump kicks in to continue recirculating coolant through the turbo to aid cooling, but there is a certain threshold where the heatsink outweighs the ability of the coolant to remove heat and this is where problems can start.

The best time to allow a turbo to cool down is whilst driving, not whilst simply idling on your drive, as the cooling effect is far less when stationary...which is why stop start traffic kills so many cars.

Post #15441 10th Mar 2008 11:19 am
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npinks



Member Since: 28 Jun 2007
Location: Ls25
Posts: 20090

United Kingdom 

Gambba wrote:
100 mph down the motorway and then pulling into your drive to stop on a regular basis is a sure way to reduce turbo life.


Gambba wrote:
On TD motors it normally isn't too much of an issue and the "word on the street" has always been to take the last 5-10 minutes of a drive relatively easy.


I'm going to have to slow down, when I come off the motorway now Shocked

Now I will have stop been Nigel Mansell and become "Hoke Colburn" off "Driving Miss Daisy" when I come off the M1 to cool the turbo.

Queue the "Driving Miss Daisy" and towing a caravan gags Question Question from CG Former Mod/Member, with the most post & Chicken George Arch nemesis

Post #15442 10th Mar 2008 11:34 am
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