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DMRR



Member Since: 14 Apr 2010
Location: Northamptonshire
Posts: 2027

South Africa 2009 Range Rover Westminster TDV8 Stornoway Grey

Richardince wrote:
There were very high winds at the time whilst going up 25% gradient hill. Could this have been a factor?


Highly unlikely. When my turbo 'went' I was accelerating off a roundabout onto a dual carriageway - so I was heavy on the accelerator. There was a metallic ping and then bye bye engine!! Land Rover Addict
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2009 5.0V8SC Autobiography
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Post #492516 16th Oct 2018 11:16am
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martinf



Member Since: 26 Dec 2014
Location: sussex
Posts: 256

United Kingdom 2016 Range Rover Vogue TDV6 Santorini Black

A good friend of mine had this happen to his L322 TDV8 when he was on holiday in Italy. Luckily he was covered by an extended warranty. I think his was a 3.6 with a fairly high mileage.

Post #492534 16th Oct 2018 1:26pm
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Richardince



Member Since: 14 Oct 2018
Location: Suffolk
Posts: 39

United Kingdom 2014 Range Rover Autobiography SDV8 Nara Bronze

Just had a quote of £26,835 including Vat

Not happy ...

Post #492543 16th Oct 2018 2:05pm
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DMRR



Member Since: 14 Apr 2010
Location: Northamptonshire
Posts: 2027

South Africa 2009 Range Rover Westminster TDV8 Stornoway Grey

Quote:
Just had a quote of £26,835 including Vat

Not happy ...


Sad

I went out and bought a replacement Range Rover (but mine was an L322 TDV8) Land Rover Addict
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Last edited by DMRR on 16th Oct 2018 5:30pm. Edited 1 time in total

Post #492544 16th Oct 2018 2:06pm
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AJGalaxy2012



Member Since: 11 Jun 2018
Location: Gainsborough
Posts: 1446

United Kingdom 2012 Range Rover Vogue SE 4.4 V8 Bonatti Grey

£26k jeez I bet youre not happy, blimey thats horrific. Have you tried a good independent such as Green Oval, see what they can do, used engine, replace etc. Im gutted for you, thats terrible. BMW i3 Electric Car
2012 Full Fat RR 4.4 TDV8 (now gone)
2006 VW Touareg 3.0 TDi V6

Post #492570 16th Oct 2018 4:49pm
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GraemeS



Member Since: 06 Mar 2015
Location: Wagga area
Posts: 2278

Australia 2012 Range Rover Autobiography TDV8 Bournville

JCW wrote:
Does this very unfortunate event point to the turbo drain mod on all 4.4 TDV8's being more preventative than just dealing with the undesirable smoke when the second turbo cuts in, or have I misinterpreted the potential source of the oil entering the combustion cycle?
A premature assumption unless it is determined that this particular engine had a single drain.

Post #492597 16th Oct 2018 7:43pm
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AJGalaxy2012



Member Since: 11 Jun 2018
Location: Gainsborough
Posts: 1446

United Kingdom 2012 Range Rover Vogue SE 4.4 V8 Bonatti Grey

From what I understand about the drain problem, it wouldn't do it anyway. It really needs a catastrophic failure of the turbo seals to put a substantial amount of lubrication oil into the intake. Generally they empty the sump in around 20 to 30 seconds or thereabouts. The drain mod doesn't have anything like this amount of oil in play prior to the mod. BMW i3 Electric Car
2012 Full Fat RR 4.4 TDV8 (now gone)
2006 VW Touareg 3.0 TDi V6

Post #492600 16th Oct 2018 7:52pm
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GGDR



Member Since: 26 Nov 2016
Location: London
Posts: 3517

United Kingdom 2011 Range Rover Vogue SE TDV8 Stornoway Grey

Quote:
There was a (slightly odd) report here of a 4.4TDV8 on a 2010-11. I can't find it but the member talked about overrunning (is that what it's called?)

It was from a new member and the group here was asking for more info. The consensus ended up agreeing that the member's mechanic was actually referring to the Turbo Drain Mod which doesn't end up with the engine 'running away'.


Found that post I was referring to:

http://www.fullfatrr.com/forum/topic47304.html

.[/quote] Cheers, Greg
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2011 Vogue SE 4.4 with lots of toys in Stornaway

Post #492632 17th Oct 2018 6:24am
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GraemeS



Member Since: 06 Mar 2015
Location: Wagga area
Posts: 2278

Australia 2012 Range Rover Autobiography TDV8 Bournville

I have decided to build an automatic kill facility for mine to close the throttle butterfly, as I did for my TD5 D2. I had hoped that the ecm would close the butterfly in times of uncontrolled revving, albeit with the ignition still switched on, but obviously the butterfly is not being closed other than to increase airflow through the EGR valve as required.

The TD5 would keep idling if its butterfly was closed using my kill facility but choked immediately if the throttle was opened or if it was already revving hard with an open throttle. The TD5's kill facility was set to be activated if oil pressure was lost (the common oil pump bolt coming loose event) or manually as an anti-theft device.

I have access to a spare 3.0 TDV6 throttle housing (the 3.0 and 4.4 use the same physical ecm) so will determine a suitable pwm signal to ensure that the butterfly is firmly closed. I plan to close the butterfly for 30 seconds (probably requires less than 5 seconds to choke the engine) at each ignition-off instance so that a kill switch is not required to be operated, only that the ignition be switched off, which although takes a few seconds whilst the vehicle is still moving, is likely to be the automatic driver reaction to an engine revving uncontrollably.

Post #492641 17th Oct 2018 10:19am
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JCW



Member Since: 13 Apr 2013
Location: Cotswolds
Posts: 835

United Kingdom 2012 Range Rover Autobiography TDV8 Sumatra Black

AJGalaxy2012 wrote:
From what I understand about the drain problem, it wouldn't do it anyway. It really needs a catastrophic failure of the turbo seals to put a substantial amount of lubrication oil into the intake. Generally they empty the sump in around 20 to 30 seconds or thereabouts. The drain mod doesn't have anything like this amount of oil in play prior to the mod.


Good news for those without the mod in terms of not worrying about any possible catastrophic engine failure related, although if there was a link and given the runaway sympton, guessing it becomes a critical safety issue infoming a manufacturer recall and replacement at LR's cost?

Post #492668 17th Oct 2018 3:50pm
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AJGalaxy2012



Member Since: 11 Jun 2018
Location: Gainsborough
Posts: 1446

United Kingdom 2012 Range Rover Vogue SE 4.4 V8 Bonatti Grey

Its only my view and I could be completely wrong, I'm not a betting man but Id put my wages on this one. BMW i3 Electric Car
2012 Full Fat RR 4.4 TDV8 (now gone)
2006 VW Touareg 3.0 TDi V6

Post #492672 17th Oct 2018 4:22pm
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JCW



Member Since: 13 Apr 2013
Location: Cotswolds
Posts: 835

United Kingdom 2012 Range Rover Autobiography TDV8 Sumatra Black

Sure you're right, given how many unmodified turbo drain 4.4 tdv8's out there but catastrophic engine failure / runaway engines seemingly very rare.

Post #492673 17th Oct 2018 5:13pm
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AJGalaxy2012



Member Since: 11 Jun 2018
Location: Gainsborough
Posts: 1446

United Kingdom 2012 Range Rover Vogue SE 4.4 V8 Bonatti Grey

I completely agree, in my view IF diesel runaway could result from the turbo drain problem, Land Rover would have to do a safety recall, the potential danger would be immense. BMW i3 Electric Car
2012 Full Fat RR 4.4 TDV8 (now gone)
2006 VW Touareg 3.0 TDi V6

Post #492688 17th Oct 2018 6:36pm
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GraemeS



Member Since: 06 Mar 2015
Location: Wagga area
Posts: 2278

Australia 2012 Range Rover Autobiography TDV8 Bournville

LR replaced many 3.0 TDV6 secondary turbos when early D4s smoked because they considered that the turbos were faulty before changing their view that the problem was resolved by changing the drain to go directly to the sump. My D4 had 1 replaced then later was in line for its 2nd well after end of warranty but I fitted the revised drain myself instead. If the drain is not totally free then the oil will exit via the the seals, which really aren't seals, just a normally harder way for the oil to escape.

Post #492697 17th Oct 2018 7:55pm
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Richardince



Member Since: 14 Oct 2018
Location: Suffolk
Posts: 39

United Kingdom 2014 Range Rover Autobiography SDV8 Nara Bronze

Engine has now been examined to confirm metal particles in the oil and larger fragments in the oil filter. New engine required.
What effect would the runaway engine have on the drivetrain?

Post #492976 20th Oct 2018 8:18am
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